ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) $ in Millions		12 Months Ended
	Jun. 23, 2017	Dec. 31, 2019 USD ($) property	May 15, 2014
Organization And Significant Accounting Policies [Line Items]
Number of branches		45
Additional equity method investment ownership percentage	4.90%
GAB acquisition [Member]
Organization And Significant Accounting Policies [Line Items]
Loss sharing agreement | $		$ 143.4
Southern Trust Mortgage [Member]
Organization And Significant Accounting Policies [Line Items]
Percentage of equity investment and preferred stock of STM	48.90%		44.00%
Virginia
Organization And Significant Accounting Policies [Line Items]
Number of branches		38
Maryland
Organization And Significant Accounting Policies [Line Items]
Number of branches		7
Federal Deposit Insurance Corporation [Member] | GAB acquisition [Member]
Organization And Significant Accounting Policies [Line Items]
Loss sharing agreement | $		$ 143.4