Investments in Qualified Affordable Housing Partnerships - Estimates for Unfunded Affordable Housing Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Federal Home Loan Banks [Abstract]
2023	$ 8,408
2024	3,360
2025	308
2026	617
2027	280
Thereafter	2,455
Total unfunded commitments	15,428	$ 17,200
Tax credit and other tax benefits recognized	15,091	15,037	$ 11,435
Amortization of investments	$ 13,070	$ 13,660	$ 9,674