DEBT - Junior Subordinated Debentures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Junior subordinated debentures	$ 22,167	$ 22,167
Trust Preferred Securities | Date Issued: July 31, 2001
Debt Instrument [Line Items]
Junior subordinated debentures	$ 5,671	5,671
Trust Preferred Securities | Date Issued: July 31, 2001 | LIBOR
Debt Instrument [Line Items]
Spread on variable interest rate	3.30%
Trust Preferred Securities | Date Issued: September 20, 2004
Debt Instrument [Line Items]
Junior subordinated debentures	$ 8,248	8,248
Trust Preferred Securities | Date Issued: September 20, 2004 | LIBOR
Debt Instrument [Line Items]
Spread on variable interest rate	2.50%
Trust Preferred Securities | Date Issued: October 12, 2006
Debt Instrument [Line Items]
Junior subordinated debentures	$ 5,155	5,155
Trust Preferred Securities | Date Issued: October 12, 2006 | LIBOR
Debt Instrument [Line Items]
Spread on variable interest rate	1.85%
Trust Preferred Securities | Date Issued: June 21, 2007
Debt Instrument [Line Items]
Junior subordinated debentures	$ 3,093	$ 3,093
Trust Preferred Securities | Date Issued: June 21, 2007 | LIBOR
Debt Instrument [Line Items]
Spread on variable interest rate	1.70%