Quarterly report pursuant to Section 13 or 15(d)

Loans - Allowance for Loan Losses (Detail)

v3.4.0.3
Loans - Allowance for Loan Losses (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Allowance for loan losses:    
Balance at beginning of period $ 42,935  
(Negative provision) provision (1,525) $ (1,673)
Balance at end of period 41,026  
Allowance for loan losses [Member]    
Allowance for loan losses:    
Balance at beginning of period 42,935 52,666
Charge-offs (637) (86)
Recoveries on loans previously charged off 253 2,044
Net loan (charge-offs) recoveries (384) 1,958
(Negative provision) provision (1,525) (1,673)
Balance at end of period 41,026 52,951
Non-PCI Loans [Member]    
Allowance for loan losses:    
Balance at beginning of period 37,494 51,640
Charge-offs (637) (34)
Recoveries on loans previously charged off 253 1,692
(Negative provision) provision (1,729) (1,783)
Balance at end of period 35,381 51,515
Non-PCI Loans [Member] | Allowance for loan losses [Member]    
Allowance for loan losses:    
Balance at beginning of period 37,494 51,640
Charge-offs (637) (34)
Recoveries on loans previously charged off 253 1,692
Net loan (charge-offs) recoveries (384) 1,658
(Negative provision) provision (1,729) (1,783)
Balance at end of period 35,381 51,515
PCI Loans [Member]    
Allowance for loan losses:    
Balance at beginning of period 5,441 1,026
Charge-offs   (52)
Recoveries on loans previously charged off   352
(Negative provision) provision 204 110
Balance at end of period 5,645 1,436
PCI Loans [Member] | Allowance for loan losses [Member]    
Allowance for loan losses:    
Balance at beginning of period 5,441 1,026
Charge-offs 0 (52)
Recoveries on loans previously charged off 0 352
Net loan (charge-offs) recoveries 0 300
(Negative provision) provision 204 110
Balance at end of period $ 5,645 $ 1,436