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FAIR VALUE ACCOUNTING AND MEASUREMENT (Commitments) (Details)
Jun. 30, 2015
USD ($)
commitment
Dec. 31, 2014
USD ($)
commitment
Commitments to originate loans held for sale [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to fund loans, notional amount $ 67,909,000 $ 29,851,000
Commitments to sell loans [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to fund loans, notional amount 31,559,000 8,714,000
Commitments to originate loans [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to fund loans, notional amount 47,500,000 20,988,000
Commitment to fund loans [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to fund loans, notional amount 1,386,000,000 1,197,000,000
Commitment to fund loans [Member] | Level 2 [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to fund loans, carrying value 0 0
Commitments to purchase securities [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to fund loans, notional amount $ 0 $ 0
Number of commitments to purchase securities | commitment 0 0
Commitments to sell mortgage backed securities [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to fund loans, notional amount $ 42,874,000 $ 25,000,000