Quarterly report pursuant to Section 13 or 15(d)

Loans - Allowance for Loan Losses by Portfolio Segment (Detail)

v3.5.0.2
Loans - Allowance for Loan Losses by Portfolio Segment (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Allowance for loan losses:          
Balance at beginning of period     $ 42,935    
(Negative provision) provision $ (1,515) $ (2,403) (3,040) $ (4,076)  
Balance at end of period 39,707   39,707    
Loans receivable:          
Total Loans 3,449,310   3,449,310   $ 3,183,316
Non-PCI Loans [Member]          
Allowance for loan losses:          
Balance at beginning of period 35,381 51,515 37,494 51,640  
Charge-offs (662) (1,221) (1,299) (1,255)  
Recoveries on loans previously charged off 995 1,793 1,248 3,485  
(Negative provision) provision (1,455) (2,619) (3,184) (4,402)  
Balance at end of period 34,259 49,468 34,259 49,468  
Ending balance: individually evaluated for impairment 3,011 5,301 3,011 5,301  
Ending balance: collectively evaluated for impairment 31,248 44,167 31,248 44,167  
Loans receivable:          
Total Loans 3,434,290 2,840,264 3,434,290 2,840,264 3,163,302
Ending balance: individually evaluated for impairment 26,187 45,003 26,187 45,003  
Ending balance: collectively evaluated for impairment 3,408,103 2,795,261 3,408,103 2,795,261  
Non-PCI Loans [Member] | Real estate loans [Member]          
Allowance for loan losses:          
Balance at beginning of period 28,278 42,550 29,800 41,194  
Charge-offs (156) (101) (691) (101)  
Recoveries on loans previously charged off 97 1,263 190 1,295  
(Negative provision) provision (103) (3,814) (1,183) (2,490)  
Balance at end of period 28,116 39,898 28,116 39,898  
Ending balance: individually evaluated for impairment 2,589 3,798 2,589 3,798  
Ending balance: collectively evaluated for impairment 25,527 36,100 25,527 36,100  
Loans receivable:          
Total Loans 3,116,749 2,553,068 3,116,749 2,553,068  
Ending balance: individually evaluated for impairment 20,412 32,795 20,412 32,795  
Ending balance: collectively evaluated for impairment 3,096,337 2,520,273 3,096,337 2,520,273  
Non-PCI Loans [Member] | Commercial and industrial loans [Member]          
Allowance for loan losses:          
Balance at beginning of period 6,289 7,786 7,081 9,142  
Charge-offs (506) (1,120) (608) (1,154)  
Recoveries on loans previously charged off 845 530 1,005 2,190  
(Negative provision) provision (1,126) 1,049 (1,976) (1,933)  
Balance at end of period 5,502 8,245 5,502 8,245  
Ending balance: individually evaluated for impairment 422 1,503 422 1,503  
Ending balance: collectively evaluated for impairment 5,080 6,742 5,080 6,742  
Loans receivable:          
Total Loans 292,927 260,922 292,927 260,922  
Ending balance: individually evaluated for impairment 5,089 10,401 5,089 10,401  
Ending balance: collectively evaluated for impairment 287,838 250,521 287,838 250,521  
Non-PCI Loans [Member] | Consumer loans [Member]          
Allowance for loan losses:          
Balance at beginning of period 255 185 242 220  
Charge-offs 0 0 0 0  
Recoveries on loans previously charged off 53 0 53 0  
(Negative provision) provision (66) (13) (53) (48)  
Balance at end of period 242 172 242 172  
Ending balance: individually evaluated for impairment 0 0 0 0  
Ending balance: collectively evaluated for impairment 242 172 242 172  
Loans receivable:          
Total Loans 24,614 26,274 24,614 26,274  
Ending balance: individually evaluated for impairment 686 1,807 686 1,807  
Ending balance: collectively evaluated for impairment 23,928 24,467 23,928 24,467  
Non-PCI Loans [Member] | Unallocated [Member]          
Allowance for loan losses:          
Balance at beginning of period 559 994 371 1,084  
Charge-offs 0 0 0 0  
Recoveries on loans previously charged off 0 0 0 0  
(Negative provision) provision (160) 159 28 69  
Balance at end of period 399 1,153 399 1,153  
Ending balance: individually evaluated for impairment 0 0 0 0  
Ending balance: collectively evaluated for impairment 399 1,153 399 1,153  
Loans receivable:          
Total Loans 0 0 0 0  
Ending balance: individually evaluated for impairment 0 0 0 0  
Ending balance: collectively evaluated for impairment 0 0 0 0  
PCI Loans [Member]          
Allowance for loan losses:          
Balance at beginning of period 5,645 1,436 5,441 1,026  
Charge-offs (137) 52 (137)    
Recoveries on loans previously charged off   (352)      
(Negative provision) provision (60) 216 144 326  
Balance at end of period 5,448 1,352 5,448 1,352  
Loans receivable:          
Total Loans 15,020 33,908 15,020 33,908 $ 20,014
PCI Loans [Member] | Real estate loans [Member]          
Allowance for loan losses:          
Balance at beginning of period 5,599 1,318 5,397 895  
Charge-offs (137) 52 (137)    
Recoveries on loans previously charged off   0      
(Negative provision) provision (62) (81) 140 394  
Balance at end of period 5,400 1,289 5,400 1,289  
Loans receivable:          
Total Loans 14,823 33,598 14,823 33,598  
PCI Loans [Member] | Commercial and industrial loans [Member]          
Allowance for loan losses:          
Balance at beginning of period 44 118 42 131  
Charge-offs 0 0 0    
Recoveries on loans previously charged off   (352)      
(Negative provision) provision (3) 297 (1) (68)  
Balance at end of period 41 63 41 63  
Loans receivable:          
Total Loans 146 267 146 267  
PCI Loans [Member] | Consumer loans [Member]          
Allowance for loan losses:          
Balance at beginning of period 2 0 2 0  
Charge-offs 0 0 0    
Recoveries on loans previously charged off   0      
(Negative provision) provision 5 0 5 0  
Balance at end of period 7 0 7 0  
Loans receivable:          
Total Loans 51 43 51 43  
PCI Loans [Member] | Unallocated [Member]          
Allowance for loan losses:          
Balance at beginning of period 0 0 0 0  
Charge-offs 0 0 0    
Recoveries on loans previously charged off   0      
(Negative provision) provision 0 0 0 0  
Balance at end of period 0 0 0 0  
Loans receivable:          
Total Loans $ 0 $ 0 $ 0 $ 0