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SECURITIES - Available-for-sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Available-for-sale Securities
Available-for-sale securities, amortized cost	$ 334,552	$ 342,278
Available-for-sale securities, gross unrealized holding gains	14,849	5,407
Available-for-sale securities, gross unrealized holding losses	(69)	(962)
Total, fair value	349,332	346,723
Obligations of the U.S. Treasury
Available-for-sale Securities
Available-for-sale securities, amortized cost	12,184
Available-for-sale securities, gross unrealized holding gains	0
Available-for-sale securities, gross unrealized holding losses	(2)
Total, fair value	12,182
Obligations of U.S. Government agencies
Available-for-sale Securities
Available-for-sale securities, amortized cost	25,349	16,380
Available-for-sale securities, gross unrealized holding gains	1,003	620
Available-for-sale securities, gross unrealized holding losses	(8)	0
Total, fair value	26,344	17,000
Obligations Of States And Political Subdivisions Tax Exempt
Available-for-sale Securities
Available-for-sale securities, amortized cost	116,427	68,787
Available-for-sale securities, gross unrealized holding gains	6,000	2,011
Available-for-sale securities, gross unrealized holding losses	(26)	(38)
Total, fair value	122,401	70,760
Obligations Of States And Political Subdivisions Taxable
Available-for-sale Securities
Available-for-sale securities, amortized cost	45,230	35,446
Available-for-sale securities, gross unrealized holding gains	2,246	927
Available-for-sale securities, gross unrealized holding losses	(24)	(70)
Total, fair value	47,452	36,303
Residential Passthrough Securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	36,853	58,875
Available-for-sale securities, gross unrealized holding gains	1,323	472
Available-for-sale securities, gross unrealized holding losses	0	(137)
Total, fair value	38,176	59,210
Residential Collateralized Mortgage Obligations
Available-for-sale Securities
Available-for-sale securities, amortized cost	56,048	115,025
Available-for-sale securities, gross unrealized holding gains	1,428	308
Available-for-sale securities, gross unrealized holding losses	(9)	(610)
Total, fair value	57,467	114,723
Commercial Mortgage Backed Securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	42,461	47,765
Available-for-sale securities, gross unrealized holding gains	2,849	1,069
Available-for-sale securities, gross unrealized holding losses	0	(107)
Total, fair value	$ 45,310	$ 48,727

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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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