DERIVATIVES (INTEREST RATE SWAPS) (DETAILS) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Notional Amount	$ 222.0	$ 241.0
Interest Rate Swap One [Member]
Derivative [Line Items]
Notional Amount	$ 25.0
Variable Rate Received	1 - month LIBOR
Fixed Rate Paid	2.55%
Contract Commencement Date	Apr. 01, 2012
Contract Maturity Date	Apr. 01, 2016
Interest Rate Swap Two [Member]
Derivative [Line Items]
Notional Amount		$ 15.0
Variable Rate Received		1 - month LIBOR
Fixed Rate Paid		3.14%
Contract Commencement Date		May 01, 2012
Contract Maturity Date		May 01, 2017
Total Interest Rate Swaps [Member]
Derivative [Line Items]
Notional Amount	$ 40.0