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ACQUISITION (Fair Value Adjustments) (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 11, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Gross amortized cost basis at January 11, 2020	$ 339,577
Interest rate fair value adjustment on pools of homogeneous loans	2,600	$ (2,600)
Credit fair value adjustment on pools of homogeneous loans	5,300	$ (5,900)
Frederick County Bancorp, Inc.
Business Acquisition [Line Items]
Gross amortized cost basis at January 11, 2020	339,577
Interest rate fair value adjustment on pools of homogeneous loans	(2,632)
Credit fair value adjustment on pools of homogeneous loans	(5,931)
Fair value of acquired loans at January 11, 2020	329,312
Frederick County Bancorp, Inc. | Purchased credit impaired loans
Business Acquisition [Line Items]
Credit fair value adjustment on pools of homogeneous loans	$ (1,702)

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- Definition

Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
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-Publisher FASB
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