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Investment Securities - Available-for-sale (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 386,311	$ 377,764
Unrealized Gain	153	1,000
Unrealized Loss	(36,786)	(33,489)
Fair Value	349,678	345,275
United States government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	45,412	44,003
Unrealized Gain	8	8
Unrealized Loss	(6,032)	(5,603)
Fair Value	39,388	38,408
United States sponsored mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	99,792	91,939
Unrealized Gain	145	992
Unrealized Loss	(11,920)	(10,549)
Fair Value	88,017	82,382
United States treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	106,324	106,401
Unrealized Gain	0	0
Unrealized Loss	(5,761)	(6,045)
Fair Value	100,563	100,356
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	117,434	118,065
Unrealized Gain	0	0
Unrealized Loss	(12,943)	(11,158)
Fair Value	104,491	106,907
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	9,078	9,076
Unrealized Gain	0	0
Unrealized Loss	(130)	(134)
Fair Value	8,948	8,942
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 available-for-sale debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	385,540	376,984
Unrealized Gain	153	1,000
Unrealized Loss	(36,786)	(33,489)
Fair Value	348,907	344,495
Other securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	771	780
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	$ 771	$ 780

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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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