{"cik":7789,"taxonomy":"us-gaap","tag":"IncreaseDecreaseInIncomeTaxes","label":"Increase (Decrease) in Income Taxes","description":"The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets.","entityName":"Associated Banc-Corp","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":18178000,"accn":"0000007789-21-000018","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-09","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":27010000,"accn":"0000007789-20-000052","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-05"},{"start":"2019-01-01","end":"2019-09-30","val":33770000,"accn":"0000007789-20-000067","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-29"},{"start":"2019-01-01","end":"2019-12-31","val":43908000,"accn":"0000007789-21-000018","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-09"},{"start":"2019-01-01","end":"2019-12-31","val":43908000,"accn":"0000007789-22-000007","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-08","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-23556000,"accn":"0000007789-21-000042","fy":2020,"fp":"Q1","form":"10-Q","filed":"2021-04-27","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":18606000,"accn":"0000007789-20-000052","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-05"},{"start":"2020-01-01","end":"2020-06-30","val":18606000,"accn":"0000007789-21-000061","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-29"},{"start":"2020-01-01","end":"2020-09-30","val":-58002000,"accn":"0000007789-20-000067","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-29"},{"start":"2020-01-01","end":"2020-09-30","val":-58002000,"accn":"0000007789-21-000073","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-28"},{"start":"2020-01-01","end":"2020-12-31","val":-47268000,"accn":"0000007789-21-000018","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-09"},{"start":"2020-01-01","end":"2020-12-31","val":-47268000,"accn":"0000007789-22-000007","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-08","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":10627000,"accn":"0000007789-21-000042","fy":2020,"fp":"Q1","form":"10-Q","filed":"2021-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-27779000,"accn":"0000007789-21-000061","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-29"},{"start":"2021-01-01","end":"2021-09-30","val":-19940000,"accn":"0000007789-21-000073","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-28"},{"start":"2021-01-01","end":"2021-12-31","val":-13931000,"accn":"0000007789-22-000007","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-08"},{"start":"2021-01-01","end":"2021-12-31","val":-6177000,"accn":"0000007789-24-000009","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-08","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":40611000,"accn":"0000007789-24-000009","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-08"},{"start":"2022-01-01","end":"2022-12-31","val":-40611000,"accn":"0000007789-25-000013","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":-77849000,"accn":"0000007789-24-000009","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-08"},{"start":"2023-01-01","end":"2023-12-31","val":77849000,"accn":"0000007789-25-000013","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":77849000,"accn":"0000007789-26-000071","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":36748000,"accn":"0000007789-25-000013","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":36748000,"accn":"0000007789-26-000071","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-12","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":29846000,"accn":"0000007789-26-000141","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-28","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":-67984000,"accn":"0000007789-26-000071","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-12","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":22342000,"accn":"0000007789-26-000141","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-28","frame":"CY2026Q1"}]}}