UNSECURED BORROWINGS (Details) (USD $)	3 Months Ended
	Mar. 31, 2015		Dec. 31, 2014
Debt Instrument [Line Items]
Junior subordinated notes maturity term	30 years
Remaining issue costs	$ 2,100,000
Junior subordinated notes borrowings outstanding	100,000,000		100,000,000
Average rate (in hundredths)	8.49%	[1]
Effective borrowing rate considering cash flow hedges	7.56%
October 2035 [Member]
Debt Instrument [Line Items]
Junior subordinated notes borrowings outstanding	35,000,000
Average rate (in hundredths)	8.31%	[1]
Junior subordinated notes, maturity period	Oct. 31, 2035
Junior subordinated notes, earliest redemption option exercise date	Oct. 30, 2015
December 2035 [Member]
Debt Instrument [Line Items]
Junior subordinated notes borrowings outstanding	40,000,000
Average rate (in hundredths)	8.46%	[1]
Junior subordinated notes, maturity period	Dec. 31, 2035
Junior subordinated notes, earliest redemption option exercise date	Dec. 15, 2015
September 2036 [Member]
Debt Instrument [Line Items]
Junior subordinated notes borrowings outstanding	$ 25,000,000
Average rate (in hundredths)	8.78%	[1]
Junior subordinated notes, maturity period	Sep. 30, 2036
Junior subordinated notes, earliest redemption option exercise date	Sep. 15, 2016

[1] The indicated weighted average rates have been in effect since issuance. After considering cash flow hedges that coincide with the floating rate terms of these borrowings that begin October 30, and December 15, 2015 for the notes maturing in October and December 2035 and September 15, 2016 for the notes maturing in September 2036, the effective borrowing rate will average 7.56% beginning September 15, 2016 through maturity, subject to certain adjustments for the effects of measured hedge ineffectiveness, if any.