Securities - AFS Contractual Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
AFS, Amortized Cost, Rolling Maturity
Due in one year or less	$ 1,933
Due after one year through five years	84,010
Due after five years through ten years	51,019
Due after ten years	44,813
Total	181,775
Amortized Cost	1,498,415	$ 1,621,747
AFS, Fair Value, Rolling Maturity
Due in one year or less	1,923
Due after one year through five years	83,362
Due after five years through ten years	50,190
Due after ten years	41,961
Total	177,436
Fair Value	1,396,549	1,507,595
Residential mortgage-backed securities
AFS, Amortized Cost, Rolling Maturity
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities	379,651
Amortized Cost	379,651	389,160
AFS, Fair Value, Rolling Maturity
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities	341,186
Fair Value	341,186	349,870
Commercial mortgage-backed securities
AFS, Amortized Cost, Rolling Maturity
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities	226,326
Amortized Cost	226,326	200,236
AFS, Fair Value, Rolling Maturity
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities	220,327
Fair Value	220,327	191,746
Collateralized mortgage obligations
AFS, Amortized Cost, Rolling Maturity
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities	710,663
Amortized Cost	710,663	797,876
AFS, Fair Value, Rolling Maturity
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities	657,600
Fair Value	$ 657,600	$ 736,481