INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, NET, TAX CREDIT AND OTHER INVESTMENTS (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014		Dec. 31, 2014
Investments in qualified affordable housing partnership, net
Investment in qualified affordable housing partnerships, net	$ 182,719,000			$ 178,962,000	[1]
Accrued expenses and other liabilities - Unfunded commitments	50,884,000			43,311,000
Tax credits and other tax benefits recognized	8,775,000	7,792,000
Amortization expense included in provision for income taxes	6,244,000	5,357,000
Investments in tax credit and other investments
Investments in tax credit and other investments	117,000,000			110,100,000
Unfunded commitments for investments in tax credit and other investments	66,200,000			71,400,000
Noninterest expense - Amortization of tax credit and other investments	$ 6,299,000	$ 1,492,000	[1]

[1] Prior periods were restated to reflect the retrospective application of adopting the new accounting guidance related to the Company?s investments in qualified affordable housing projects Accounting Standard Update ("ASU") 2014-01. See Note 10 of the Notes to Consolidated Financial Statements for additional information.