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 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net derivative asset (liability), gain (loss) included in earnings     $ 7,659 $ 6,244
Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net derivative asset (liability), gain (loss) included in earnings     7,659 6,244
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 $ 677 $ 2,616    
Asset, gain (loss) included in earnings (677) (2,616) (5,157) (4,721)
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 (677) (2,616)    
MSRs | Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     (5,157) (4,721)
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 2,459 (3,023)    
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 (2,459) 3,023    
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 4,166 0 4,166 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 4,166 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings 4,166 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     4,166 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    
Asset, gain (loss) included in earnings   20   47
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Securities Gains Losses   0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Interest and fee income   20    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Noninterest income   0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings   20    
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
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
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       47
Private label CMO | Noninterest income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings       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 0 (2,440) 2 (2,435)
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Securities Gains Losses 0 (2,440)    
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 (2,440)    
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 (2,440)
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 5
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        
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 (249) (142) (249) (497)
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 (142)    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Noninterest income (249) 0    
Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings $ (249) $ (142)    
Automobile | Mortgage banking income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Automobile | Securities gains (losses)        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 0
Automobile | Interest and fee income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     0 (497)
Automobile | Noninterest income        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Asset, gain (loss) included in earnings     $ (249) $ 0