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Investment Securities - Available-for-sale (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 416,217	$ 421,272
Unrealized Gain	2,880	4,833
Unrealized Loss	(52,355)	(4,639)
Fair Value	366,742	421,466
United States government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	52,276	41,105
Unrealized Gain	20	228
Unrealized Loss	(6,148)	(896)
Fair Value	46,148	40,437
United States sponsored mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	69,708	77,519
Unrealized Gain	0	222
Unrealized Loss	(11,879)	(1,633)
Fair Value	57,829	76,108
United States treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	121,479	112,133
Unrealized Gain	0	0
Unrealized Loss	(10,447)	(1,744)
Fair Value	111,032	110,389
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	156,765	171,044
Unrealized Gain	2,860	4,334
Unrealized Loss	(23,867)	(366)
Fair Value	135,758	175,012
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	7,654	11,093
Unrealized Gain	0	49
Unrealized Loss	(14)	0
Fair Value	7,640	11,142
Other debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	7,500	7,500
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	7,500	7,500
Total debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	415,382	420,394
Unrealized Gain	2,880	4,833
Unrealized Loss	(52,355)	(4,639)
Fair Value	365,907	420,588
Other securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	835	878
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	$ 835	$ 878

X

- Definition

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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