Investment Securities - Schedule of Securities Available for Sale and Securities Held-to-Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	$ 807,375	$ 878,363
Securities available-for-sale, Gross Unrealized Gains	513	6,521
Securities available-for-sale, Gross Unrealized Losses	(42,341)	(8,125)
Securities available-for-sale, Fair Value	765,547	876,759
Securities held-to-maturity, Amortized Cost	139,592	50,182
Securities held to maturity, Gross Unrealized Gains		139
Securities held to maturity, Gross Unrealized Losses	(13,068)	(156)
Securities held to maturity, Fair Value	126,524	50,165
Residential Mortgage - Backed
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	463,920	562,109
Securities available-for-sale, Gross Unrealized Gains	3	1,512
Securities available-for-sale, Gross Unrealized Losses	(27,198)	(6,063)
Securities available-for-sale, Fair Value	436,725	557,558
Securities held-to-maturity, Amortized Cost	76,660
Securities held to maturity, Gross Unrealized Losses	(7,069)
Securities held to maturity, Fair Value	69,591
U.S. Treasury Securities
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	151,257	151,331
Securities available-for-sale, Gross Unrealized Losses	(8,749)	(1,803)
Securities available-for-sale, Fair Value	142,508	149,528
U.S. Govt. Sponsored Enterprises
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	91,326	54,005
Securities available-for-sale, Gross Unrealized Gains	182	555
Securities available-for-sale, Gross Unrealized Losses	(2,438)	(65)
Securities available-for-sale, Fair Value	89,070	54,495
State, Country and Municipal
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	82,948	94,976
Securities available-for-sale, Gross Unrealized Gains	300	4,405
Securities available-for-sale, Gross Unrealized Losses	(3,314)	(127)
Securities available-for-sale, Fair Value	79,934	99,254
Securities held-to-maturity, Amortized Cost	62,932	50,182
Securities held to maturity, Gross Unrealized Gains		139
Securities held to maturity, Gross Unrealized Losses	(5,999)	(156)
Securities held to maturity, Fair Value	56,933	50,165
Corporate Debt Obligations
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	17,924	15,942
Securities available-for-sale, Gross Unrealized Gains	28	49
Securities available-for-sale, Gross Unrealized Losses	(642)	(67)
Securities available-for-sale, Fair Value	$ 17,310	$ 15,924

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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