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Investment Securities - Available-for-sale (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 399,591	$ 377,764
Unrealized Gain	1,306	1,000
Unrealized Loss	(26,069)	(33,489)
Fair Value	374,828	345,275
United States government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	45,715	44,003
Unrealized Gain	107	8
Unrealized Loss	(4,185)	(5,603)
Fair Value	41,637	38,408
United States sponsored mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	115,279	91,939
Unrealized Gain	946	992
Unrealized Loss	(8,947)	(10,549)
Fair Value	107,278	82,382
United States treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	106,172	106,401
Unrealized Gain	0	0
Unrealized Loss	(2,931)	(6,045)
Fair Value	103,241	100,356
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	115,593	118,065
Unrealized Gain	238	0
Unrealized Loss	(9,859)	(11,158)
Fair Value	105,972	106,907
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	8,583	9,076
Unrealized Gain	15	0
Unrealized Loss	(147)	(134)
Fair Value	8,451	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	398,842	376,984
Unrealized Gain	1,306	1,000
Unrealized Loss	(26,069)	(33,489)
Fair Value	374,079	344,495
Other securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	749	780
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	$ 749	$ 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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