DERIVATIVE FINANCIAL INSTRUMENTS - Terms of Interest Swaps and Caps (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Unamortized Pre-Tax Loss in AOCI as of December 31,	$ 452	$ 161	$ 0
Pay fixed interest rate swaps
Derivative [Line Items]
Notional Amount	125,000
FHLB Advance Swap 1
Derivative [Line Items]
Notional Amount	$ 25,000
FHLB Advance Swap 1 | 3-Month LIBOR
Derivative [Line Items]
Pay Fixed Rate	2.70%
FHLB Advance Swap 2
Derivative [Line Items]
Notional Amount	$ 50,000
FHLB Advance Swap 2 | 3-Month LIBOR
Derivative [Line Items]
Pay Fixed Rate	2.88%
FHLB Advance Swap 3
Derivative [Line Items]
Notional Amount	$ 25,000
FHLB Advance Swap 3 | 3-Month LIBOR
Derivative [Line Items]
Pay Fixed Rate	2.54%
FHLB Advance Swap 4
Derivative [Line Items]
Notional Amount	$ 25,000
FHLB Advance Swap 4 | 3-Month LIBOR
Derivative [Line Items]
Pay Fixed Rate	2.58%
Loan Swap
Derivative [Line Items]
Notional Amount	$ 40,000
Loan Swap | 1-Month LIBOR
Derivative [Line Items]
Pay Fixed Rate	1.23%
Interest rate caps
Derivative [Line Items]
Notional Amount	$ 50,500
Cap 1
Derivative [Line Items]
Notional Amount	$ 7,500
Strike Rate	0.47%
Cap 1 | 3-Month LIBOR
Derivative [Line Items]
Variable rate spread (as a percentage)	4.00%
Cap 2
Derivative [Line Items]
Notional Amount	$ 8,000
Strike Rate	0.47%
Cap 2 | 3-Month LIBOR
Derivative [Line Items]
Variable rate spread (as a percentage)	3.10%
Cap 3
Derivative [Line Items]
Notional Amount	$ 25,000
Strike Rate	1.82%
Cap 3 | 3-Month LIBOR
Derivative [Line Items]
Variable rate spread (as a percentage)	1.32%
Cap 4
Derivative [Line Items]
Notional Amount	$ 10,000
Strike Rate	1.85%
Cap 4 | 3-Month LIBOR
Derivative [Line Items]
Variable rate spread (as a percentage)	2.80%
Designated as Hedging Instrument | Terminated Swap
Derivative [Line Items]
Notional Amount	$ 150,000
Unamortized Pre-Tax Loss in AOCI as of December 31,	1,142	1,593
Designated as Hedging Instrument | Terminated Swap 1
Derivative [Line Items]
Notional Amount	25,000
Unamortized Pre-Tax Loss in AOCI as of December 31,	55	72
Designated as Hedging Instrument | Terminated Swap 2
Derivative [Line Items]
Notional Amount	25,000
Unamortized Pre-Tax Loss in AOCI as of December 31,	56	72
Designated as Hedging Instrument | Terminated Swap 3
Derivative [Line Items]
Notional Amount	25,000
Unamortized Pre-Tax Loss in AOCI as of December 31,	57	74
Designated as Hedging Instrument | Terminated Swap 4
Derivative [Line Items]
Notional Amount	25,000
Unamortized Pre-Tax Loss in AOCI as of December 31,	665	811
Designated as Hedging Instrument | Terminated Swap 5
Derivative [Line Items]
Notional Amount	25,000
Unamortized Pre-Tax Loss in AOCI as of December 31,	73	183
Designated as Hedging Instrument | Terminated Swap 6
Derivative [Line Items]
Notional Amount	25,000
Unamortized Pre-Tax Loss in AOCI as of December 31,	$ 236	$ 381