UNSECURED BORROWINGS - Schedule of Subordinated Note Balances and Related Weighted Average Interest Rates (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Borrowings Outstanding	$ 98,292	$ 98,191
Effective interest rate	7.74%	7.75%
October 2035 [Member]
Debt Instrument [Line Items]
Borrowings Outstanding	$ 34,354	$ 34,315
Effective interest rate	7.89%	7.90%
Junior subordinated notes, maturity period	Oct. 31, 2035
Face amount of junior subordinated notes	$ 35,000
December 2035 [Member]
Debt Instrument [Line Items]
Borrowings Outstanding	$ 39,359	$ 39,320
Effective interest rate	7.65%	7.66%
Junior subordinated notes, maturity period	Dec. 31, 2035
Face amount of junior subordinated notes	$ 40,000
September 2036 [Member]
Debt Instrument [Line Items]
Borrowings Outstanding	$ 24,579	$ 24,556
Effective interest rate	7.69%	7.70%
Junior subordinated notes, maturity period	Sep. 30, 2036
Face amount of junior subordinated notes	$ 25,000