Debt Securities Held to Maturity - Expected Maturities of Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
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	371,652
Amortized Cost	421,523	$ 429,734
Fair Value
More than one year to five years	18,399
More than five years to ten years	16,703
More than ten years	7,465
Held-to-maturity debt securities, allocated and single maturity date, total	42,567
Mortgage-backed securities and collateralized mortgage obligations	327,824
Debt securities held to maturity	370,391	434,789
Mortgage-backed securities and collateralized mortgage obligations
Amortized Cost
Amortized Cost	371,652	384,864
Fair Value
Debt securities held to maturity	327,824	390,678
U.S. government and agency obligations
Amortized Cost
Amortized Cost	49,871	44,870
Fair Value
Debt securities held to maturity	$ 42,567	$ 44,111

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