REGULATORY CAPITAL (Schedule of Regulatory Capital Amounts and Ratios) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Regulatory Assets
Common equity	$ 200,759	$ 198,013
Goodwill	(10,835)	(10,835)
Core deposit intangible (net of deferred tax liability)	(1,031)	(1,129)
AOCI (gains) losses	(1,684)	(4,504)
Common Equity Tier 1 Capital	187,209	181,545
TRUPs	12,000	12,000
Tier 1 Capital	199,209	193,545
Allowable reserve for credit losses and other Tier 2 adjustments	18,307	19,475
Subordinated notes	19,468	19,526
Tier 2 Capital	236,984	232,546
Risk-Weighted Assets ("RWA")	1,597,777	1,582,581
Average Assets ("AA")	$ 2,053,796	$ 2,025,061
Common Tier 1 Capital to RWA, Regulatory Min. Ratio + CCB	7.00%
Tier 1 Capital to RWA, Regulatory Min. Ratio + CCB	8.50%
Tier 2 Capital to RWA, Regulatory Min. Ratio + CCB	10.50%
Common Tier 1 Capital to RWA	11.72%	11.47%
Tier 1 Capital to RWA	0.1247	0.1223
Tier 2 Capital to RWA	14.83%	14.69%
Tier 1 Capital to AA (Leverage)	0.0970	0.0956
PCA well capitalized, percent	0.0500
Bank
Regulatory Assets
Common equity	$ 221,447	$ 217,142
Goodwill	(10,835)	(10,835)
Core deposit intangible (net of deferred tax liability)	(1,031)	(1,129)
AOCI (gains) losses	(1,684)	(4,504)
Common Equity Tier 1 Capital	207,897	200,674
Tier 1 Capital	207,897	200,674
Allowable reserve for credit losses and other Tier 2 adjustments	18,307	19,475
Tier 2 Capital	226,204	220,149
Risk-Weighted Assets ("RWA")	1,596,308	1,580,786
Average Assets ("AA")	$ 2,052,412	$ 2,023,325
Common Tier 1 Capital to RWA	13.02%	12.69%
Tier 1 Capital to RWA	0.1302	0.1269
Tier 2 Capital to RWA	14.17%	13.93%
Tier 1 Capital to AA (Leverage)	0.1013	0.0992