Debt Securities, Contractual Maturity (Details) $ in Thousands	Sep. 30, 2024 USD ($) Securities	Dec. 31, 2023 USD ($)
Available-for-sale, amortized cost [Abstract]
Due in one year or less	$ 3,977	$ 105,944
Due after one year through five years	15,617	15,654
Due after five years through ten years	15,354	17,276
Due after ten years	0	162
Mortgage-backed securities	35,559	38,465
Amortized cost	70,507	177,501
Available-for-sale, fair value [Abstract]
Due in one year or less	3,929	105,186
Due after one year through five years	14,863	14,675
Due after five years through ten years	13,532	14,980
Due after ten years	0	144
Mortgage-backed securities	32,836	34,502
Fair value	$ 65,160	$ 169,487
Number of holdings of securities of any issuer, other than U.S. Government, exceeding 10% of stockholders' equity | Securities	0