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Investment Securities - Available-for-sale (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 370,835	$ 427,128
Unrealized Gain	4,238	2,485
Unrealized Loss	(45,936)	(49,799)
Fair Value	329,137	379,814
United States government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	44,844	51,436
Unrealized Gain	6	15
Unrealized Loss	(6,376)	(6,637)
Fair Value	38,474	44,814
United States sponsored mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	65,715	68,267
Unrealized Gain	0	0
Unrealized Loss	(11,349)	(11,696)
Fair Value	54,366	56,571
United States treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	106,552	130,689
Unrealized Gain	0	48
Unrealized Loss	(8,523)	(9,828)
Fair Value	98,029	120,909
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	136,352	157,842
Unrealized Gain	4,232	2,412
Unrealized Loss	(19,518)	(21,618)
Fair Value	121,066	138,636
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	9,071	10,570
Unrealized Gain	0	10
Unrealized Loss	(170)	(20)
Fair Value	8,901	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	370,034	426,304
Unrealized Gain	4,238	2,485
Unrealized Loss	(45,936)	(49,799)
Fair Value	328,336	378,990
Other securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	801	824
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	$ 801	$ 824

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