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Investment Securities - Amortized Cost and Fair Values of Investment Securities Available-for-sale (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	$ 377,764	$ 427,128
Unrealized Gain	1,000	2,485
Unrealized Loss	(33,489)	(49,799)
Investment securities available-for-sale	345,275	379,814
Total debt securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	376,984	426,304
Unrealized Gain	1,000	2,485
Unrealized Loss	(33,489)	(49,799)
Investment securities available-for-sale	344,495	378,990
United States government agency securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	44,003	51,436
Unrealized Gain	8	15
Unrealized Loss	(5,603)	(6,637)
Investment securities available-for-sale	38,408	44,814
United States sponsored mortgage-backed securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	91,939	68,267
Unrealized Gain	992	0
Unrealized Loss	(10,549)	(11,696)
Investment securities available-for-sale	82,382	56,571
United States treasury securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	106,401	130,689
Unrealized Gain	0	48
Unrealized Loss	(6,045)	(9,828)
Investment securities available-for-sale	100,356	120,909
Municipal securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	118,065	157,842
Unrealized Gain	0	2,412
Unrealized Loss	(11,158)	(21,618)
Investment securities available-for-sale	106,907	138,636
Corporate debt securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	9,076	10,570
Unrealized Gain	0	10
Unrealized Loss	(134)	(20)
Investment securities available-for-sale	8,942	10,560
Other debt securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	7,500	7,500
Unrealized Gain	0	0
Unrealized Loss	0	0
Investment securities available-for-sale	7,500	7,500
Other securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	780	824
Unrealized Gain	0	0
Unrealized Loss	0	0
Investment securities available-for-sale	$ 780	$ 824

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).

+ References

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