Investment Securities - Available-for-sale (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 376,189	$ 427,128
Unrealized Gain	4,734	2,485
Unrealized Loss	(41,345)	(49,799)
Fair Value	339,578	379,814
United States government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	45,266	51,436
Unrealized Gain	5	15
Unrealized Loss	(5,283)	(6,637)
Fair Value	39,988	44,814
United States sponsored mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	66,976	68,267
Unrealized Gain	30	0
Unrealized Loss	(10,233)	(11,696)
Fair Value	56,773	56,571
United States treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	106,627	130,689
Unrealized Gain	0	48
Unrealized Loss	(7,273)	(9,828)
Fair Value	99,354	120,909
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	137,434	157,842
Unrealized Gain	4,687	2,412
Unrealized Loss	(18,519)	(21,618)
Fair Value	123,602	138,636
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,573	10,570
Unrealized Gain	12	10
Unrealized Loss	(37)	(20)
Fair Value	11,548	10,560
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	375,376	426,304
Unrealized Gain	4,734	2,485
Unrealized Loss	(41,345)	(49,799)
Fair Value	338,765	378,990
Other securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	813	824
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	$ 813	$ 824

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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-Section 50
-Paragraph 2
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Amount, before tax, of unrealized loss 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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-Publisher FASB
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