Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUES OF ASSETS AND LIABILITIES - Level 3 Classification of Gains/Losses (Details)

v3.5.0.2
FAIR VALUES OF ASSETS AND LIABILITIES - Level 3 Classification of Gains/Losses (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net derivative asset (liability), gain (loss) included in earnings     $ 10,118 $ 3,221
Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net derivative asset (liability), gain (loss) included in earnings     10,118 3,221
Securities gains (losses)        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net derivative asset (liability), gain (loss) included in earnings     0 0
Interest and fee income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net derivative asset (liability), gain (loss) included in earnings     0 0
Noninterest income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net derivative asset (liability), gain (loss) included in earnings     0 0
MSRs        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value Asset Measured On Recurring Basis Gain Loss Included In Mortgage banking income loss $ 1,714 $ (226)    
Asset, gain (loss) included in earnings (1,714) 226 (4,480) (2,105)
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Securities Gains Losses 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Interest and fee income 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Noninterest income 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings (1,714) 226    
MSRs | Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     (4,480) (2,105)
MSRs | Securities gains (losses)        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
MSRs | Interest and fee income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
MSRs | Noninterest income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Derivative Instrument Asset, Net [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value Asset Measured On Recurring Basis Gain Loss Included In Mortgage banking income loss (4,912) 1,780    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Securities Gains Losses 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Interest and fee income 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Noninterest income 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings 4,912 (1,780)    
Municipal securities        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value Asset Measured On Recurring Basis Gain Loss Included In Mortgage banking income loss 0 0    
Asset, gain (loss) included in earnings 0 0 0
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Securities Gains Losses 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Interest and fee income 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Noninterest income 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings 0 0    
Municipal securities | Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Municipal securities | Securities gains (losses)        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Municipal securities | Interest and fee income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Municipal securities | Noninterest income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Private label CMO        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value Asset Measured On Recurring Basis Gain Loss Included In Mortgage banking income loss 0 0    
Asset, gain (loss) included in earnings   11 0 27
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Securities Gains Losses 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Interest and fee income 0 11    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Noninterest income 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings 0 11    
Private label CMO | Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Private label CMO | Securities gains (losses)        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Private label CMO | Interest and fee income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 27
Private label CMO | Noninterest income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Asset-backed Securities        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value Asset Measured On Recurring Basis Gain Loss Included In Mortgage banking income loss 0 0    
Asset, gain (loss) included in earnings 2 6 2 6
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Securities Gains Losses 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Interest and fee income 0 6    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Noninterest income 2 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings 2 6    
Asset-backed Securities | Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Asset-backed Securities | Securities gains (losses)        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Asset-backed Securities | Interest and fee income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 6
Asset-backed Securities | Noninterest income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     2 0
Automobile Loan        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value Asset Measured On Recurring Basis Gain Loss Included In Mortgage banking income loss 0 0    
Asset, gain (loss) included in earnings 0 (213) 0 (426)
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Securities Gains Losses 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Interest and fee income 0 (213)    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Noninterest income 0 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings $ 0 $ (213)    
Automobile Loan | Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Automobile Loan | Securities gains (losses)        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Automobile Loan | Interest and fee income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 (426)
Automobile Loan | Noninterest income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     $ 0 $ 0