SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals 1) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) segment	Dec. 31, 2016 USD ($)
Summary Of Accounting Policies [Line Items]
Servicing assets	$ 1,200	$ 975
Dividends
Amount up to which dividends can be declared by the Bank to the Parent Company	$ 48,200
Period from which net retained earnings are available for dividend payment from the Bank to the Parent Company	2 years
Segment Reporting
Number of reportable operating segment | segment	1
Adoption of ASU 2018-02
Summary Of Accounting Policies [Line Items]
Accumulated other comprehensive income to retained earnings	$ 2,700
Buildings
Summary Of Accounting Policies [Line Items]
Useful life	50 years
Equipment, computer hardware and software and furniture and fixtures | Minimum
Summary Of Accounting Policies [Line Items]
Useful life	2 years
Equipment, computer hardware and software and furniture and fixtures | Maximum
Summary Of Accounting Policies [Line Items]
Useful life	10 years