Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Loans - Allowance for Credit Losses by Portfolio Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance     $ 90,426    
Ending balance $ 76,613   76,613    
Loans receivable 4,858,865   4,858,865   $ 4,880,168
Non-PCI Loans and Leases          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 83,372 $ 86,330 90,426 $ 61,408  
Adjusted balance       78,840  
Less loans charged off 977 2,151 5,934 31,198  
Recoveries on loans receivable previously charged off (1,842) (1,745) (2,893) (2,233)  
Provision (recovery) for credit losses (7,624) 697 (10,772) 36,744  
Ending balance 76,613 86,620 76,613 86,620  
Individually evaluated 2,194 3,745 2,194 3,745  
Collectively evaluated 74,419 82,875 74,419 82,875  
Loans receivable 4,858,865 4,834,137 4,858,865 4,834,137  
Individually evaluated 21,224 68,851 21,224 68,851  
Collectively evaluated 4,837,641 4,765,286 4,837,641 4,765,286  
Non-PCI Loans and Leases | ASU 2016-13 | Adjustment Related to Adoption of ASU          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance       17,432  
Real Estate          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance     51,876    
Ending balance 56,063   56,063    
Loans receivable 3,883,366   3,883,366   3,699,649
Real Estate | Non-PCI Loans and Leases          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 63,029 56,418 51,876 36,435  
Adjusted balance       50,462  
Less loans charged off   687 1,491 14,920  
Recoveries on loans receivable previously charged off (1,162) (1,497) (1,597) (1,653)  
Provision (recovery) for credit losses (8,128) (6,744) 4,081 13,289  
Ending balance 56,063 50,484 56,063 50,484  
Individually evaluated 8 35 8 35  
Collectively evaluated 56,055 50,449 56,055 50,449  
Loans receivable 3,883,366 3,635,330 3,883,366 3,635,330  
Individually evaluated 13,988 48,220 13,988 48,220  
Collectively evaluated 3,869,378 3,587,110 3,869,378 3,587,110  
Real Estate | Non-PCI Loans and Leases | ASU 2016-13 | Adjustment Related to Adoption of ASU          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance       14,027  
Commercial and Industrial          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance     21,410    
Ending balance 8,710   8,710    
Loans receivable 516,357   516,357   757,255
Commercial and Industrial | Non-PCI Loans and Leases          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 8,059 13,388 21,410 16,206  
Adjusted balance       13,709  
Less loans charged off 186 383 550 12,972  
Recoveries on loans receivable previously charged off (330) (35) (602) (179)  
Provision (recovery) for credit losses 507 7,809 (12,752) 19,932  
Ending balance 8,710 20,849 8,710 20,849  
Individually evaluated 13 1,623 13 1,623  
Collectively evaluated 8,697 19,226 8,697 19,226  
Loans receivable 516,357 765,484 516,357 765,484  
Individually evaluated 313 13,293 313 13,293  
Collectively evaluated 516,044 752,191 516,044 752,191  
Commercial and Industrial | Non-PCI Loans and Leases | ASU 2016-13 | Adjustment Related to Adoption of ASU          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance       (2,497)  
Leases Receivable          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance     17,140    
Ending balance 11,840   11,840    
Loans receivable 459,142   459,142   $ 423,264
Leases Receivable | Non-PCI Loans and Leases          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 12,284 16,524 17,140 8,767  
Adjusted balance       14,669  
Less loans charged off 791 1,081 3,893 3,306  
Recoveries on loans receivable previously charged off (350) (213) (694) (401)  
Provision (recovery) for credit losses (3) (368) (2,101) 3,523  
Ending balance 11,840 15,287 11,840 15,287  
Individually evaluated 2,173 2,087 2,173 2,087  
Collectively evaluated 9,667 13,200 9,667 13,200  
Loans receivable 459,142 433,323 459,142 433,323  
Individually evaluated 6,923 7,338 6,923 7,338  
Collectively evaluated $ 452,219 $ 425,985 $ 452,219 425,985  
Leases Receivable | Non-PCI Loans and Leases | ASU 2016-13 | Adjustment Related to Adoption of ASU          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance       $ 5,902