Quarterly report pursuant to Section 13 or 15(d)

Loans and Leases - Information on Impaired Loans, Disaggregated by Loan Class (Detail)

v3.7.0.1
Loans and Leases - Information on Impaired Loans, Disaggregated by Loan Class (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Financing Receivable, Impaired [Line Items]      
Recorded Investment $ 24,944   $ 26,350
Unpaid Principal Balance 26,448   27,986
With No Related Allowance Recorded 15,631   15,019
With an Allowance Recorded 9,313   11,331
Related Allowance 4,547   4,327
Average Recorded Investment 25,070 $ 32,912  
Interest Income Recognized 376 689  
Real estate loans [Member] | Retail [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 1,661   1,678
Unpaid Principal Balance 1,670   1,684
With No Related Allowance Recorded 151   151
With an Allowance Recorded 1,510   1,527
Related Allowance 130   120
Average Recorded Investment 1,667 2,872  
Interest Income Recognized 31 41  
Real estate loans [Member] | Hospitality [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 6,175   6,227
Unpaid Principal Balance 6,803   6,823
With No Related Allowance Recorded 2,453   2,243
With an Allowance Recorded 3,722   3,984
Related Allowance 3,010   3,078
Average Recorded Investment 6,254 6,703  
Interest Income Recognized 67 154  
Real estate loans [Member] | Gas station [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 4,918   4,984
Unpaid Principal Balance 5,048   5,092
With No Related Allowance Recorded 4,918   4,984
With an Allowance Recorded 0   0
Related Allowance 0   0
Average Recorded Investment 4,828 5,107  
Interest Income Recognized 94 162  
Real estate loans [Member] | Other [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 5,276   6,070
Unpaid Principal Balance 5,833   6,808
With No Related Allowance Recorded 3,971   3,127
With an Allowance Recorded 1,305   2,943
Related Allowance 616   782
Average Recorded Investment 5,332 8,249  
Interest Income Recognized 89 212  
Real estate loans [Member] | Residential property [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 2,765   2,798
Unpaid Principal Balance 2,825   2,851
With No Related Allowance Recorded 2,765   2,798
With an Allowance Recorded 0   0
Related Allowance 0   0
Average Recorded Investment 2,773 2,770  
Interest Income Recognized 33 30  
Commercial and industrial loans [Member] | Commercial term [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 3,828   4,106
Unpaid Principal Balance 3,901   4,171
With No Related Allowance Recorded 1,052   1,229
With an Allowance Recorded 2,776   2,877
Related Allowance 791   347
Average Recorded Investment 3,892 5,213  
Interest Income Recognized 59 77  
Commercial and industrial loans [Member] | Commercial lines of credit [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded Investment     68
Unpaid Principal Balance     68
With No Related Allowance Recorded     68
With an Allowance Recorded     0
Related Allowance     0
Average Recorded Investment   45  
Interest Income Recognized   5  
Commercial and industrial loans [Member] | International loans [Member]      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment   1,260  
Interest Income Recognized   0  
Consumer loans [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 321   419
Unpaid Principal Balance 368   489
With No Related Allowance Recorded 321   419
With an Allowance Recorded 0   0
Related Allowance 0   $ 0
Average Recorded Investment 324 693  
Interest Income Recognized $ 3 $ 8