{"cik":1604821,"taxonomy":"us-gaap","tag":"LongTermDebt","label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"NATERA, INC.","units":{"USD":[{"end":"2015-06-30","val":24680000,"accn":"0001558370-15-001646","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2021-12-31","val":280394000,"accn":"0001558370-22-002022","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-25","frame":"CY2021Q4I"},{"end":"2022-12-31","val":281653000,"accn":"0001558370-23-002460","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-01"},{"end":"2022-12-31","val":281653000,"accn":"0001558370-24-002083","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-29","frame":"CY2022Q4I"},{"end":"2023-12-31","val":282945000,"accn":"0001558370-24-002083","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-29"},{"end":"2023-12-31","val":282945000,"accn":"0001558370-25-001869","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-28","frame":"CY2023Q4I"}]}}