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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands			12 Months Ended
	Jan. 01, 2020 USD ($)	Feb. 21, 2017	Dec. 31, 2019 USD ($) reporting	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reserve requirements of vault cash and/or deposits, included in cash and equivalents			$ 23,100		$ 15,800
Property, Plant and Equipment [Line Items]
Stockholders' equity note, stock split, conversion ratio		1.5
Number of reporting units \| reporting			1
Operating lease right-of-use assets			$ 9,623
Operating lease liabilities			$ 9,651
Premises \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful live of premises and equipment			25 years
Premises \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful live of premises and equipment			39 years
Furniture and equipment \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful live of premises and equipment			3 years
Furniture and equipment \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful live of premises and equipment			7 years
Accounting Standards Update 2016-02
Property, Plant and Equipment [Line Items]
Operating lease right-of-use assets				$ 9,000
Operating lease liabilities				$ 9,000
Subsequent event \| Accounting Standards Update 2016-13 \| Minimum
Property, Plant and Equipment [Line Items]
Quantitative impact	$ 4,000
Subsequent event \| Accounting Standards Update 2016-13 \| Maximum
Property, Plant and Equipment [Line Items]
Quantitative impact	$ 6,000