Quarterly report pursuant to Section 13 or 15(d)

Loans - Schedule of Changes in Outstanding Balance and Carrying Amount of PCI Loans (Detail)

v3.5.0.2
Loans - Schedule of Changes in Outstanding Balance and Carrying Amount of PCI Loans (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Carrying Amount    
Balance at beginning of period $ 3,140,381  
Balance at end of period 3,513,687  
PCI Loans [Member]    
Carrying Amount    
Balance at beginning of period 14,573 $ 43,475
Accretion 933 2,462
Payments received (6,408) (26,060)
Disposal/transfer to OREO 1,143 4,242
Change in expected cash flows, net 0 0
Provision for credit losses (234) (2,112)
Balance at end of period 10,007 22,007
Accretable Yield    
Balance at beginning of period (5,944) (11,025)
Accretion 933 2,462
Payments received 0 0
Disposal/transfer to OREO 0 0
Change in expected cash flows, net (900) 1,349
Provision for credit losses 0 0
Balance at end of period $ (5,911) $ (7,214)