Quarterly report pursuant to Section 13 or 15(d)

Loans and Leases - Non-Accrual Loans and Leases, Disaggregated by Class (Detail)

v3.8.0.1
Loans and Leases - Non-Accrual Loans and Leases, Disaggregated by Class (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases $ 14,558 $ 11,406
Real estate loans [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 9,081 9,292
Real estate loans [Member] | Retail [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 253 404
Real estate loans [Member] | Hospitality [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 5,368 5,266
Real estate loans [Member] | Gas station [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 742 1,025
Real estate loans [Member] | Other [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 2,097 2,033
Real estate loans [Member] | Residential property [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 621 564
Commercial and industrial loans [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 1,165 824
Commercial and industrial loans [Member] | Commercial term [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 984 824
Commercial and industrial loans [Member] | Commercial lines of credit [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 181 0
Leases Receivable [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases 3,378 901
Consumer loans [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual Non-PCI loans and leases $ 934 $ 389