REVENUE FROM CONTRACTS WITH CUSTOMERS (Schedule of non-interest income) (Details) - USD ($)		12 Months Ended
Jan. 01, 2019	Dec. 31, 2019	Dec. 31, 2018
Total non-interest income		$ 10,565,000	$ 12,193,000
ASU 2014-09 \| Restatement Adjustment
Adjustment to opening retained earnings	$ 117,000
Service charges on deposit accounts
Non-interest income		3,556,000	4,248,000
Prepaid third-party debit card incomes
Non-interest income		5,643,000	4,640,000
Other service charges and fees
Non-interest income		$ 1,366,000	$ 3,305,000

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration