LONG-TERM DEBT (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Unsecured Revolving Loan [Member]
Debt Instrument [Line Items]
Maturity date	Aug. 08, 2015
Credit Agreement borrowing capacity	$ 25,000,000
Multi-Draw Term Loan [Member]
Debt Instrument [Line Items]
Maturity date	Aug. 08, 2018
Credit Agreement borrowing capacity	60,000,000
Long-Term Borrowings From U.S. Bank [Member]
Debt Instrument [Line Items]
Long-term borrowings	46,100,000	48,200,000
Long-Term Borrowings From FHLB [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 30,000,000