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Securities - Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Available-for-sale Securities Debt Maturities, Amortized Cost [Abstract]
Available-for-sale Securities, Due in one year or less, Amortized Cost	$ 12,011
Available-for-sale Securities, Due from one to five years, Amortized Cost	71,166
Available-for-sale Securities, Due from five to ten years, Amortized Cost	202,902
Available-for-sale Securities, Due after ten years, Amortized Cost	74,340
Available-for-sale Securities, Amortized Cost	1,465,151	$ 1,466,482
Held-to-maturity Securities Debt Maturities, Amortized Cost [Abstract]
Held-to-maturity Securities, Due in one year or less, Amortized Cost	1,174
Held-to-maturity Securities, Due from one to five years, Amortized Cost	2,708
Held-to-maturity Securities, Amortized Cost	3,882	3,885
Available-for-sale Securities Debt Maturities, Fair Value [Abstract]
Available-for-sale Securities, Due in one year or less, Fair Value	12,051
Available-for-sale Securities, Due from one to five years, Fair Value	69,792
Available-for-sale Securities, Due from five to ten years, Fair Value	196,070
Available-for-sale Securities, Due after ten years, Fair Value	70,481
Available-for-sale Securities, Fair Value, Total	1,369,368	1,454,542
Held-to-maturity Securities Debt Maturities, Fair Value [Abstract]
Held-to-maturity Securities, Due in one year or less, Fair Value	1,182
Held-to-maturity Securities, Due from one to five years, Fair Value	2,724
Held-to-maturity securities, Fair Value, Total	3,906	$ 3,992
Mortgage-Backed Securities
Available-for-sale Securities Debt Maturities, Amortized Cost [Abstract]
Available-for-sale Securities, Not due at single maturity, Amortized Cost	1,104,732
Available-for-sale Securities Debt Maturities, Fair Value [Abstract]
Available-for-sale Securities, Not due at single maturity, Fair Value	$ 1,020,974

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