Debt Securities Held to Maturity - Expected Maturities of Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Amortized Cost
More than one year to five years	$ 19,875
More than five years to ten years	19,996
More than ten years	10,000
Held-to-maturity debt securities, allocated and single maturity date, total	49,871
Mortgage-backed securities and collateralized mortgage obligations	367,356
Amortized Cost	417,227	$ 421,523
Fair Value
More than one year to five years	18,600
More than five years to ten years	17,018
More than ten years	7,654
Held-to-maturity debt securities, allocated and single maturity date, total	43,272
Mortgage-backed securities and collateralized mortgage obligations	328,915
Debt securities held to maturity	$ 372,187	$ 370,391

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