Quarterly report pursuant to Section 13 or 15(d)

Loans and Leases - Allowance for Loan and Lease Losses (Detail)

v3.7.0.1
Loans and Leases - Allowance for Loan and Lease Losses (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Allowance for loan losses:        
Balance at beginning of period     $ 32,429  
Loan and lease loss provision (income) $ 422 $ (1,515) 342 $ (3,040)
Balance at end of period 33,758   33,758  
Non-PCI Loans and Leases [Member]        
Allowance for loan losses:        
Balance at beginning of period 32,261 35,381 31,458 37,494
Charge-offs (665) (662) (851) (1,299)
Recoveries on loans and leases previously charged off 849 995 1,838 1,248
Loan and lease loss provision (income) 593 (1,455) 593 (3,184)
Balance at end of period 33,038 34,259 33,038 34,259
PCI Loans and Leases [Member]        
Allowance for loan losses:        
Balance at beginning of period 891 5,645 971 5,441
Charge-offs 0 (137) 0 (137)
Loan and lease loss provision (income) (171) (60) (251) 144
Balance at end of period 720 5,448 720 5,448
Allowance for loan and lease losses [Member]        
Allowance for loan losses:        
Balance at beginning of period 33,152 41,026 32,429 42,935
Charge-offs (665) (799) (851) (1,436)
Recoveries on loans and leases previously charged off 849 995 1,838 1,248
Net loan and lease (charge-offs) recoveries 184 196 987 (188)
Loan and lease loss provision (income) 422 (1,515) 342 (3,040)
Balance at end of period 33,758 39,707 33,758 39,707
Allowance for loan and lease losses [Member] | Non-PCI Loans and Leases [Member]        
Allowance for loan losses:        
Balance at beginning of period 32,261 35,381 31,458 37,494
Charge-offs (665) (662) (851) (1,299)
Recoveries on loans and leases previously charged off 849 995 1,838 1,248
Net loan and lease (charge-offs) recoveries 184 333 987 (51)
Loan and lease loss provision (income) 593 (1,455) 593 (3,184)
Balance at end of period 33,038 34,259 33,038 34,259
Allowance for loan and lease losses [Member] | PCI Loans and Leases [Member]        
Allowance for loan losses:        
Balance at beginning of period 891 5,645 971 5,441
Charge-offs 0 (137) 0 (137)
Recoveries on loans and leases previously charged off 0 0 0 0
Net loan and lease (charge-offs) recoveries 0 (137) 0 (137)
Loan and lease loss provision (income) (171) (60) (251) 144
Balance at end of period $ 720 $ 5,448 $ 720 $ 5,448