{"cik":"0002002473","entityType":"operating","sic":"6331","sicDescription":"Fire, Marine & Casualty Insurance","ownerOrg":"02 Finance","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"Bowhead Specialty Holdings Inc.","tickers":["BOW"],"exchanges":["NYSE"],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"Accelerated filer<br>Emerging growth company","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"452 5TH AVENUE","street2":"24TH FLOOR","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10018","stateOrCountryDescription":"NY","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"452 5TH AVENUE","street2":"24TH FLOOR","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10018","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"2129700269","flags":"","formerNames":[{"name":"Bowhead Holdings Inc.","from":"2023-12-21T05:00:00.000Z","to":"2024-02-05T05:00:00.000Z"}],"filings":{"recent":{"accessionNumber":["0001362369-26-000006","0001362378-26-000006","0002019632-26-000006","0002020205-26-000006","0002020205-26-000004","0002019632-26-000004","0001362378-26-000004","0001362369-26-000004","0001628280-26-030616","0001628280-26-030113","0002020006-26-000002","0002002473-26-000010","0001221318-26-000002","0002019649-26-000002","0002019477-26-000002","0002002473-26-000008","0002042584-26-000002","0002002473-26-000006","0001628280-26-017724","0001628280-26-011089","0001628280-26-010866","0002019632-26-000002","0001362378-26-000002","0001362369-26-000002","0002020205-26-000001","0000052388-26-000055","0002002473-26-000003","0001628280-25-054482","0001362369-25-000004","0001140361-25-043369","0001140361-25-042991","0001140361-25-042891","0001140361-25-042675","0001193125-25-281628","0001628280-25-048878","0001628280-25-048522","0002002473-25-000073","0001628280-25-043707","0002002473-25-000071","0002002473-25-000068","0000950170-25-105903","0000950170-25-105902","0002002473-25-000063","0001140361-25-029585","0001140361-25-029175","0002002473-25-000061","0002002473-25-000059","0000351040-25-000006","0000950170-25-101428","0002002473-25-000057","9999999995-25-001960","9999999995-25-001959","0001628280-25-031524","0001628280-25-031523","0000000000-25-006247","0000000000-25-006246","0002002473-25-000054","0001628280-25-030052","0001628280-25-030049","0002002473-25-000050","0002002473-25-000048","0002002473-25-000046","0002002473-25-000044","0002002473-25-000042","0000351040-25-000001","0002002473-25-000040","0002002473-25-000037","0002002473-25-000033","0002002473-25-000030","0002002473-25-000025","0002002473-25-000023","0002002473-25-000021","0002002473-25-000018","0002002473-25-000017","0000950170-25-031043","0002002473-25-000010","0002002473-25-000008","0000950170-25-026881","0000950170-25-026872","0000950170-25-026864","0000950170-25-026858","0000950170-25-026849","0002002473-25-000005","0001803089-25-000005","0000950170-25-019848","0002002473-24-000018","0000950170-24-138548","0000351040-24-000014","0002002473-24-000015","0002002473-24-000014","0000950170-24-119036","0002002473-24-000008","0000950170-24-118398","0000950170-24-118397","0001193125-24-246649","0000351040-24-000013","0001628280-24-043611","9999999995-24-003256","0001628280-24-043214","0001628280-24-043212","0001628280-24-043209","0001628280-24-043208","0000950170-24-108580","0000000000-24-010559","0001628280-24-040043","0002002473-24-000006","0001628280-24-037234","0001628280-24-036134","0000950170-24-080648","0000950170-24-080647","0000351040-24-000010","0001628280-24-025650","0001628280-24-025649","0001628280-24-025648","0001628280-24-025647","0000351040-24-000009","0001628280-24-025488","0000351040-24-000008","0001628280-24-025249","0001628280-24-025097","0001628280-24-025096","0001628280-24-025095","0001628280-24-025094","0001628280-24-025093","0001628280-24-025092","0001628280-24-025091","0001628280-24-025090","0001628280-24-025089","0001628280-24-025088","0001628280-24-025087","0001628280-24-025086","0001628280-24-025085","0001628280-24-025084","0000351040-24-000007","0001628280-24-024815","0000876661-24-000384","0001628280-24-024805","9999999995-24-001619","0001628280-24-024801","0001628280-24-024327","0001628280-24-024326","0001628280-24-024225","0001628280-24-024223","0000000000-24-005696","0001628280-24-022759","0001628280-24-020367","0001628280-24-020365","0000000000-24-004281","0001628280-24-016055","0001628279-24-000194","0001628279-24-000195","0000000000-24-001956","0001628279-24-000064","0001628279-24-000063","0000000000-24-000616","0001628279-23-000582","0001628279-23-000581"],"filingDate":["2026-05-27","2026-05-27","2026-05-27","2026-05-27","2026-05-27","2026-05-26","2026-05-26","2026-05-26","2026-05-05","2026-05-05","2026-05-04","2026-05-04","2026-05-04","2026-05-04","2026-05-04","2026-05-04","2026-05-04","2026-03-16","2026-03-13","2026-02-24","2026-02-24","2026-02-23","2026-02-23","2026-02-23","2026-02-23","2026-02-13","2026-01-06","2025-12-01","2025-11-26","2025-11-25","2025-11-21","2025-11-21","2025-11-19","2025-11-14","2025-11-04","2025-11-04","2025-10-03","2025-10-02","2025-09-03","2025-09-02","2025-08-08","2025-08-08","2025-08-08","2025-08-07","2025-08-06","2025-08-05","2025-08-05","2025-08-04","2025-08-01","2025-07-16","2025-06-18","2025-06-18","2025-06-16","2025-06-16","2025-06-13","2025-06-13","2025-06-06","2025-06-06","2025-06-06","2025-05-28","2025-05-28","2025-05-28","2025-05-23","2025-05-16","2025-05-14","2025-05-06","2025-05-06","2025-05-05","2025-05-02","2025-05-02","2025-05-02","2025-05-02","2025-03-19","2025-03-19","2025-03-03","2025-02-28","2025-02-27","2025-02-25","2025-02-25","2025-02-25","2025-02-25","2025-02-25","2025-02-25","2025-02-14","2025-02-13","2024-12-20","2024-12-19","2024-11-13","2024-11-05","2024-11-05","2024-10-30","2024-10-30","2024-10-29","2024-10-29","2024-10-29","2024-10-29","2024-10-24","2024-10-23","2024-10-21","2024-10-21","2024-10-21","2024-10-21","2024-09-20","2024-09-18","2024-09-10","2024-08-26","2024-08-14","2024-08-08","2024-07-02","2024-07-02","2024-07-02","2024-05-29","2024-05-29","2024-05-29","2024-05-29","2024-05-29","2024-05-28","2024-05-28","2024-05-24","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-22","2024-05-22","2024-05-20","2024-05-20","2024-05-20","2024-05-20","2024-05-16","2024-05-13","2024-05-03","2024-05-03","2024-04-18","2024-04-12","2024-04-02","2024-04-01","2024-02-21","2024-02-05","2024-02-05","2024-01-17","2023-12-21","2023-12-21"],"reportDate":["2026-05-22","2026-05-23","2026-05-23","2026-05-23","2026-05-23","2026-05-23","2026-05-23","2026-05-22","2026-03-31","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-03-12","2025-12-31","2026-02-24","2026-02-19","2026-02-19","2026-02-19","2026-02-19","","2025-05-01","2025-11-26","2025-11-26","2025-11-20","","","","","2025-09-30","2025-11-04","2025-10-02","2025-10-02","2025-08-26","2025-08-26","2025-08-08","2025-08-08","2025-08-08","","","2025-06-30","2025-08-05","","2025-07-30","2025-07-15","","","","","","","2025-06-06","","","2025-05-23","2025-05-23","2025-05-23","2025-05-22","2025-05-12","","2025-03-31","2025-05-01","2025-05-01","2025-05-01","2025-05-01","2025-05-01","2025-05-01","","2025-05-01","2025-02-28","2025-02-28","2024-12-31","2025-02-21","2025-02-21","2025-02-21","2025-02-21","2024-05-23","2025-02-25","","","2024-12-20","2024-05-23","","2024-09-30","2024-11-05","2024-10-30","2024-10-25","2024-10-25","2024-10-25","","2024-10-25","","","","","","2024-10-21","2024-09-19","","","2024-08-26","2024-08-06","2024-06-30","2024-06-30","2024-06-30","2024-06-30","2024-05-28","2024-05-28","2024-05-28","2024-05-28","2024-05-28","2024-05-28","2024-05-23","","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","2024-05-23","","","","","","","","","","","","","","","","","","","","","","",""],"acceptanceDateTime":["2026-05-27T16:52:49.000Z","2026-05-27T16:52:01.000Z","2026-05-27T16:51:22.000Z","2026-05-27T16:50:36.000Z","2026-05-27T12:06:19.000Z","2026-05-26T20:08:40.000Z","2026-05-26T20:07:48.000Z","2026-05-26T20:06:53.000Z","2026-05-05T20:25:29.000Z","2026-05-05T11:01:05.000Z","2026-05-04T20:16:16.000Z","2026-05-04T20:13:53.000Z","2026-05-04T20:12:00.000Z","2026-05-04T20:10:30.000Z","2026-05-04T20:09:39.000Z","2026-05-04T20:08:16.000Z","2026-05-04T20:07:16.000Z","2026-03-16T20:37:58.000Z","2026-03-13T20:20:54.000Z","2026-02-24T21:13:40.000Z","2026-02-24T12:04:59.000Z","2026-02-23T21:16:39.000Z","2026-02-23T21:15:37.000Z","2026-02-23T21:14:47.000Z","2026-02-23T21:13:08.000Z","2026-02-13T15:15:56.000Z","2026-01-06T21:34:11.000Z","2025-12-01T21:57:48.000Z","2025-11-26T21:06:45.000Z","2025-11-25T22:12:22.000Z","2025-11-21T22:19:40.000Z","2025-11-21T00:50:53.000Z","2025-11-19T13:57:18.000Z","2025-11-14T13:00:02.000Z","2025-11-04T21:24:09.000Z","2025-11-04T12:00:02.000Z","2025-10-03T20:03:01.000Z","2025-10-02T20:13:44.000Z","2025-09-03T20:12:26.000Z","2025-09-02T20:11:37.000Z","2025-08-08T20:30:12.000Z","2025-08-08T20:30:11.000Z","2025-08-08T20:16:09.000Z","2025-08-07T20:05:51.000Z","2025-08-06T21:11:45.000Z","2025-08-05T20:17:52.000Z","2025-08-05T11:00:35.000Z","2025-08-04T21:45:59.000Z","2025-08-01T20:15:33.000Z","2025-07-16T20:30:46.000Z","2025-06-20T04:15:14.000Z","2025-06-20T04:15:13.000Z","2025-06-16T19:02:22.000Z","2025-06-16T19:02:01.000Z","2025-06-13T13:36:07.000Z","2025-06-13T13:36:06.000Z","2025-06-06T21:04:12.000Z","2025-06-06T21:02:44.000Z","2025-06-06T21:01:21.000Z","2025-05-28T14:12:58.000Z","2025-05-28T14:09:05.000Z","2025-05-28T14:05:44.000Z","2025-05-23T18:40:09.000Z","2025-05-16T13:52:40.000Z","2025-05-14T20:48:20.000Z","2025-05-06T20:21:09.000Z","2025-05-06T11:00:35.000Z","2025-05-05T13:59:48.000Z","2025-05-02T20:38:03.000Z","2025-05-02T20:30:41.000Z","2025-05-02T20:27:06.000Z","2025-05-02T20:24:34.000Z","2025-03-19T20:03:41.000Z","2025-03-19T20:01:45.000Z","2025-03-03T22:15:40.000Z","2025-02-28T12:02:41.000Z","2025-02-27T22:14:15.000Z","2025-02-25T22:25:13.000Z","2025-02-25T22:23:17.000Z","2025-02-25T22:21:05.000Z","2025-02-25T22:18:49.000Z","2025-02-25T22:15:21.000Z","2025-02-25T12:17:39.000Z","2025-02-14T21:54:10.000Z","2025-02-13T21:02:03.000Z","2024-12-20T21:54:26.000Z","2024-12-19T22:00:40.000Z","2024-11-13T21:44:33.000Z","2024-11-05T12:18:35.000Z","2024-11-05T12:14:29.000Z","2024-10-30T20:28:15.000Z","2024-10-30T20:17:10.000Z","2024-10-29T21:45:05.000Z","2024-10-29T21:45:03.000Z","2024-10-29T21:30:25.000Z","2024-10-29T20:00:34.000Z","2024-10-24T20:01:28.000Z","2024-10-24T04:15:04.000Z","2024-10-21T21:15:30.000Z","2024-10-21T21:14:54.000Z","2024-10-21T21:11:41.000Z","2024-10-21T21:09:33.000Z","2024-09-21T01:50:32.000Z","2024-09-18T17:36:07.000Z","2024-09-10T21:19:00.000Z","2024-08-26T20:32:23.000Z","2024-08-14T20:30:47.000Z","2024-08-08T20:09:55.000Z","2024-07-02T21:00:08.000Z","2024-07-02T21:00:07.000Z","2024-07-02T20:35:33.000Z","2024-05-29T22:00:53.000Z","2024-05-29T22:00:41.000Z","2024-05-29T22:00:28.000Z","2024-05-29T22:00:15.000Z","2024-05-29T21:44:54.000Z","2024-05-28T22:00:27.000Z","2024-05-28T15:32:20.000Z","2024-05-24T20:40:32.000Z","2024-05-24T01:41:47.000Z","2024-05-24T01:41:33.000Z","2024-05-24T01:41:18.000Z","2024-05-24T01:40:46.000Z","2024-05-24T01:40:33.000Z","2024-05-24T01:40:15.000Z","2024-05-24T01:39:56.000Z","2024-05-24T01:39:41.000Z","2024-05-24T01:39:22.000Z","2024-05-24T01:39:09.000Z","2024-05-24T01:38:52.000Z","2024-05-24T01:38:38.000Z","2024-05-24T01:38:25.000Z","2024-05-24T01:38:13.000Z","2024-05-23T23:23:38.000Z","2024-05-23T12:01:05.000Z","2024-05-23T10:13:53.000Z","2024-05-23T10:01:01.000Z","2024-05-23T04:15:14.000Z","2024-05-23T00:42:26.000Z","2024-05-20T20:00:58.000Z","2024-05-20T20:00:30.000Z","2024-05-20T13:47:47.000Z","2024-05-20T13:47:02.000Z","2024-05-16T22:36:11.000Z","2024-05-13T11:08:28.000Z","2024-05-03T21:21:26.000Z","2024-05-03T21:21:04.000Z","2024-04-18T21:36:08.000Z","2024-04-12T20:24:47.000Z","2024-04-02T01:41:06.000Z","2024-04-02T01:42:16.000Z","2024-02-21T14:36:10.000Z","2024-02-05T20:47:35.000Z","2024-02-05T20:46:28.000Z","2024-01-17T22:46:52.000Z","2023-12-21T22:27:48.000Z","2023-12-21T22:27:21.000Z"],"act":["","","","","","","","","34","34","","","","","","","","34","","34","34","","","","","34","","34","","34","33","34","33","34","34","34","","34","","","","","34","33","34","34","34","34","","","33","33","","","","","34","33","33","","","","","","34","34","34","","","","","","34","34","","34","34","","","","","","34","34","34","34","","34","34","34","","34","","","34","","33","33","","","33","34","","","33","34","34","34","","","","","","","","","","","33","","","","","","","","","","","","","","","","33","34","34","33","33","","","","33","","33","","33","","33","33","","","","33","","","33"],"form":["4/A","4/A","4/A","4/A","4","4","4","4","10-Q","8-K","4","4","4","4","4","4","4","DEF 14A","4","10-K","8-K","4","4","4","4","SCHEDULE 13G","4/A","8-K","4","8-K","424B5","FWP","424B5","SCHEDULE 13G/A","10-Q","8-K","3","8-K","4/A","4","4","4","8-K","424B7","FWP","10-Q","8-K","SCHEDULE 13G/A","4","4","EFFECT","EFFECT","CORRESP","CORRESP","UPLOAD","UPLOAD","8-K","S-3","S-3","4","4","4","4","4","SCHEDULE 13G","10-Q","8-K","4","4","4","4","4","DEFA14A","DEF 14A","4","8-K","10-K","4","4","4","4","3/A","8-K","SCHEDULE 13G","SCHEDULE 13G/A","8-K","3/A","SCHEDULE 13G","10-Q","8-K","3","8-K","4","4","SC 13G","4","424B4","EFFECT","CORRESP","CORRESP","S-1","8-K","4","UPLOAD","DRS","8-K","8-K","10-Q","4","4","4","4","4","4","4","4","3","4","424B4","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","S-8","CERT","8-A12B","EFFECT","S-1MEF","CORRESP","CORRESP","CORRESP","S-1/A","UPLOAD","S-1/A","CORRESP","S-1/A","UPLOAD","S-1","DRS/A","DRSLTR","UPLOAD","DRSLTR","DRS/A","UPLOAD","DRSLTR","DRS"],"fileNumber":["","","","","","","","","001-42111","001-42111","","","","","","","","001-42111","","001-42111","001-42111","","","","","005-94669","","001-42111","","001-42111","333-287859","333-287859","333-287859","005-94669","001-42111","001-42111","","001-42111","","","","","001-42111","333-287860","333-287860","001-42111","001-42111","005-94669","","","333-287860","333-287859","","","333-287859","333-287860","001-42111","333-287860","333-287859","","","","","","005-94669","001-42111","001-42111","","","","","","001-42111","001-42111","","001-42111","001-42111","","","","","","001-42111","005-94669","005-94669","001-42111","","005-94669","001-42111","001-42111","","001-42111","","","005-94669","","333-282757","333-282757","","","333-282757","001-42111","","377-07429","377-07429","001-42111","001-42111","001-42111","","","","","","","","","","","333-278653","","","","","","","","","","","","","","","","333-279647","001-42111","001-42111","333-278653","333-279643","","","","333-278653","377-07017","333-278653","","333-278653","377-07017","333-278653","377-07017","","377-07017","","377-07017","377-07017","","377-07017"],"filmNumber":["","","","","","","","","26943661","26940356","","","","","","","","26757412","","26671719","26667433","","","","","26629579","","251540432","","251522574","251509034","251504374","251496717","251481286","251449504","251446357","","251369188","","","","","251198631","251193903","251190638","251185240","251182728","251181879","","","251058901","251058900","","","","","251031944","251031923","251031904","","","","","","25946666","25917581","25915173","","","","","","25752667","25752630","","25682524","25680655","","","","","","25659391","25630363","25620026","241568686","","241455148","241425621","241425613","","241410579","","","241406840","","241392584","241390440","","","241384128","241384101","","","241290857","241241871","241208615","241188354","","","","","","","","","","","24985108","","","","","","","","","","","","","","","","24975243","24975130","24975097","24975080","24975018","","","","24962774","","24936848","","24914490","","24841810","24812024","","","","24595580","","","231506388"],"items":["","","","","","","","","","1.01,2.02,5.07,7.01,9.01","","","","","","","","","","","2.02,7.01,9.01","","","","","","","1.01,2.03,9.01","","1.01,1.02,9.01","","","","","","2.02,7.01,9.01","","5.02","","","","","8.01,9.01","","","","2.02,7.01,9.01","","","",",,",",,","","","","","7.01","","","","","","","","","","2.02,5.07,7.01,9.01","","","","","","","","","7.01","","","","","","","2.02,9.01","","","5.08,8.01","","","","2.02,7.01","","5.02","","","","","","S-1,,2024-10-23 17:00:00","","","","2.02,9.01","","","","7.01","2.02","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","S-1,,2024-05-22 16:30:00","","","","","","","","","","","","","","","","","","",""],"core_type":["4/A","4/A","4/A","4/A","4","4","4","4","XBRL","XBRL","4","4","4","4","4","4","4","XBRL","4","XBRL","XBRL","4","4","4","4","SCHEDULE 13G","4/A","XBRL","4","XBRL","424B5","FWP","424B5","SCHEDULE 13G/A","XBRL","XBRL","3","XBRL","4/A","4","4","4","XBRL","424B7","FWP","XBRL","XBRL","SCHEDULE 13G/A","4","4","EFFECT","EFFECT","CORRESP","CORRESP","LETTER","LETTER","XBRL","S-3","S-3","4","4","4","4","4","SCHEDULE 13G","XBRL","XBRL","4","4","4","4","4","DEFA14A","XBRL","4","XBRL","XBRL","4","4","4","4","3/A","XBRL","SCHEDULE 13G","SCHEDULE 13G/A","XBRL","3/A","SCHEDULE 13G","XBRL","XBRL","3","XBRL","4","4","SC 13G","4","424B4","EFFECT","CORRESP","CORRESP","XBRL","XBRL","4","LETTER","DRS","XBRL","XBRL","XBRL","4","4","4","4","4","4","4","4","3","4","424B4","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","S-8","CERT","8-A12B","EFFECT","S-1MEF","CORRESP","CORRESP","CORRESP","S-1/A","LETTER","S-1/A","CORRESP","S-1/A","LETTER","S-1","DRS/A","DRSLTR","LETTER","DRSLTR","DRS/A","LETTER","DRSLTR","DRS"],"size":[13353,5178,5170,5168,5020,5021,5029,13204,7852298,6192415,4827,4802,4898,4841,4850,4848,5549,2541991,19054,14366455,3716329,6367,6375,14907,6363,12006,5015,52427144,12675,1375576,666487,146836,667282,15174,8267556,3707635,320168,145196,12923,7929,6305,12174,484547,587464,63781,8180754,3419941,11276,4610,15960,1858,1858,10601,10602,40165,40162,145948,225412,1212899,4883,4900,4890,6300,7035,10545,7392107,3298882,5412,4665,4698,4769,4713,1125141,1773822,4598,2927990,14284093,5126,5075,5086,7945,4153,647953,10693,15259,151529,4090,10659,8876466,3379944,10440,153704,6389,12262,111191,6679,4015587,1865,15410,13468,20430757,347871,6846,40412,4051633,2980505,517049,11356295,7404,13277,7108,4828,6753,4854,4793,9041,11618,7041,5997756,11608,10949,11516,11726,11699,11709,11747,10989,10963,11672,10959,15324,13323,5643,6929,315001,390225,17048,1838,104475,14583,10861,25559,5268675,46101,6942129,28454,10246338,47540,4484680,4208503,41778,51395,76795,3153448,78294,18356,3078723],"isXBRL":[0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,1,0,1,0,0,0,0,1,1,0,1,0,0,0,0,1,0,0,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,1,0,0,1,0,0,1,1,0,1,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,1,0,1,0,0,0,0,1,1,0,1,0,0,0,0,1,0,0,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,1,0,0,1,0,0,1,1,0,1,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslF345X06/wk-form4a_1779900766.xml","xslF345X06/wk-form4a_1779900717.xml","xslF345X06/wk-form4a_1779900679.xml","xslF345X06/wk-form4a_1779900634.xml","xslF345X06/wk-form4_1779883577.xml","xslF345X06/wk-form4_1779826117.xml","xslF345X06/wk-form4_1779826065.xml","xslF345X06/wk-form4_1779826011.xml","bow-20260331.htm","bow-20260430.htm","xslF345X06/wk-form4_1777925774.xml","xslF345X06/wk-form4_1777925630.xml","xslF345X06/wk-form4_1777925518.xml","xslF345X06/wk-form4_1777925428.xml","xslF345X06/wk-form4_1777925376.xml","xslF345X06/wk-form4_1777925293.xml","xslF345X06/wk-form4_1777925234.xml","bow-20260316.htm","xslF345X05/wk-form4_1773433251.xml","bow-20251231.htm","bow-20260224.htm","xslF345X05/wk-form4_1771881396.xml","xslF345X05/wk-form4_1771881334.xml","xslF345X05/wk-form4_1771881284.xml","xslF345X05/wk-form4_1771881185.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslF345X05/wk-form4a_1767735248.xml","bow-20251126.htm","xslF345X05/wk-form4_1764191202.xml","ef20059962_8k.htm","ny20059595x2_424b5.htm","ny20059595x3_fwp.htm","ny20059595x1_424b5.htm","xslSCHEDULE_13G_X01/primary_doc.xml","bow-20250930.htm","bow-20251104.htm","xslF345X02/wk-form3_1759521778.xml","bow-20251002.htm","xslF345X05/wk-form4a_1756930343.xml","xslF345X05/wk-form4_1756843894.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","bow-20250808.htm","ny20053305x1_424b7.htm","ny20053305x2_fwp.htm","bow-20250630.htm","bow-20250805.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslF345X05/ownership.xml","xslF345X05/wk-form4_1752697837.xml","xslEFFECTX01/primary_doc.xml","xslEFFECTX01/primary_doc.xml","filename1.htm","filename1.htm","filename1.pdf","filename1.pdf","bow-20250606.htm","bowhead-resalesx3registrat.htm","bowhead-sx3universalshelfr.htm","xslF345X05/wk-form4_1748441571.xml","xslF345X05/wk-form4_1748441339.xml","xslF345X05/wk-form4_1748441137.xml","xslF345X05/wk-form4_1748025603.xml","xslF345X05/wk-form4_1747403553.xml","xslSCHEDULE_13G_X01/primary_doc.xml","bow-20250331.htm","bow-20250501.htm","xslF345X05/wk-form4_1746453582.xml","xslF345X05/wk-form4_1746218271.xml","xslF345X05/wk-form4_1746217833.xml","xslF345X05/wk-form4_1746217619.xml","xslF345X05/wk-form4_1746217468.xml","defa14a2025annualmeeting.htm","bow-20250319.htm","xslF345X05/ownership.xml","bow-20250228.htm","bow-20241231.htm","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X02/ownership.xml","bow-20250225.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","bow-20241220.htm","xslF345X02/ownership.xml","xslSCHEDULE_13G_X01/primary_doc.xml","bow-20240930.htm","bow-20241105.htm","xslF345X02/ownership.xml","bow-20241025.htm","xslF345X05/ownership.xml","xslF345X05/ownership.xml","d883748dsc13g.htm","xslF345X05/primary_doc.xml","bowheadspecialtyholdingsin.htm","xslEFFECTX01/primary_doc.xml","filename1.htm","filename1.htm","bow-20241021.htm","bow-20241021.htm","xslF345X05/ownership.xml","filename1.pdf","filename1.htm","bow-20240826.htm","bow-20240806.htm","bow-20240630.htm","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/primary_doc.xml","xslF345X05/wk-form4_1717020046.xml","xslF345X05/wk-form4_1717020033.xml","xslF345X05/wk-form4_1717020020.xml","xslF345X05/wk-form4_1717020007.xml","xslF345X05/primary_doc.xml","xslF345X02/wk-form3_1716933617.xml","xslF345X05/primary_doc.xml","bowheadspecialtyholdingsin.htm","xslF345X02/wk-form3_1716514895.xml","xslF345X02/wk-form3_1716514881.xml","xslF345X02/wk-form3_1716514862.xml","xslF345X02/wk-form3_1716514834.xml","xslF345X02/wk-form3_1716514816.xml","xslF345X02/wk-form3_1716514798.xml","xslF345X02/wk-form3_1716514784.xml","xslF345X02/wk-form3_1716514765.xml","xslF345X02/wk-form3_1716514751.xml","xslF345X02/wk-form3_1716514737.xml","xslF345X02/wk-form3_1716514719.xml","xslF345X02/wk-form3_1716514706.xml","xslF345X02/wk-form3_1716514695.xml","xslF345X02/wk-form3_1716514682.xml","xslF345X02/primary_doc.xml","bowheadholdingsinc-sx8.htm","BOW052324.pdf","bowheadspecialtyholdingsin.htm","xslEFFECTX01/primary_doc.xml","bowheads-1mef.htm","filename1.htm","filename1.htm","filename1.htm","bowheadspecialtyholdingsin.htm","filename1.pdf","bowheadspecialtyholdingsin.htm","filename1.htm","bowheadspecialtyholdingsin.htm","filename1.pdf","bowheadspecialityholdingsi.htm","filename1.htm","filename1.htm","filename1.pdf","filename1.htm","filename1.htm","filename1.pdf","filename1.htm","filename1.htm"],"primaryDocDescription":["FORM 4/A","FORM 4/A","FORM 4/A","FORM 4/A","FORM 4","FORM 4","FORM 4","FORM 4","10-Q","8-K","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","DEF 14A","FORM 4","10-K","8-K","FORM 4","FORM 4","FORM 4","FORM 4","","FORM 4/A","8-K","FORM 4","8-K","424B5","FWP","424B5","","10-Q","8-K","FORM 3","8-K","FORM 4/A","FORM 4","4","4","8-K","424B7","FWP","10-Q","8-K","","4","FORM 4","","","","","","","8-K","S-3","S-3","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","","10-Q","8-K","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","DEFA14A","DEF 14A","4","8-K","10-K","4","4","4","4","3/A","8-K","","","8-K","3/A","","10-Q","8-K","3","8-K","4","4","SC 13G","PRIMARY DOCUMENT","424B4","","","","S-1","8-K","4","","","8-K","8-K","10-Q","4","4","PRIMARY DOCUMENT","FORM 4","FORM 4","FORM 4","FORM 4","PRIMARY DOCUMENT","FORM 3","PRIMARY DOCUMENT","424B4","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","FORM 3","PRIMARY DOCUMENT","S-8","NYSE CERTIFICATION","8-A12B","","S-1MEF","","","","S-1/A","","S-1/A","","S-1/A","","S-1","","","","","","","",""]},"files":[]}}