Annual report pursuant to Section 13 and 15(d)

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

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Loans and Leases - Information on Impaired Loans and Leases, Disaggregated by Loan Class (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Financing Receivable, Impaired [Line Items]      
Recorded Investment $ 64,766 $ 25,125 $ 27,184
Unpaid Principal Balance 66,760 27,761 29,623
With No Related Allowance Recorded 18,393 16,613 14,226
With an Allowance Recorded 46,373 8,512 12,958
Related Allowance 25,778 1,812 5,878
Average Recorded Investment 58,677 29,013 29,590
Interest Income Recognized 1,052 1,674 1,789
Real Estate      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 43,867 14,761 18,663
Unpaid Principal Balance 45,173 16,925 20,701
With No Related Allowance Recorded 15,918 12,967 11,783
With an Allowance Recorded 27,949 1,794 6,880
Related Allowance 14,028 1 2,093
Average Recorded Investment 32,973 19,196 19,930
Interest Income Recognized 459 1,357 1,501
Real Estate | Retail      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 434 2,166 1,403
Unpaid Principal Balance 459 2,207 1,423
With No Related Allowance Recorded 111 1,894 1,246
With an Allowance Recorded 323 272 157
Related Allowance 19   1
Average Recorded Investment 894 2,001 1,528
Interest Income Recognized 13 183 106
Real Estate | Hospitality      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 244 4,282 6,184
Unpaid Principal Balance 400 5,773 7,220
With No Related Allowance Recorded 22 4,032 2,144
With an Allowance Recorded 223 250 4,040
Related Allowance 24   1,677
Average Recorded Investment 1,683 7,285 6,080
Interest Income Recognized   482 431
Real Estate | Other      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 14,864 7,525 8,513
Unpaid Principal Balance 15,151 8,016 9,330
With No Related Allowance Recorded 14,696 6,253 7,569
With an Allowance Recorded 167 1,272 944
Related Allowance 12 1 394
Average Recorded Investment 10,619 7,978 9,551
Interest Income Recognized 168 601 842
Real Estate | Total commercial property loans      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 15,542 13,973 16,100
Unpaid Principal Balance 16,010 15,996 17,973
With No Related Allowance Recorded 14,829 12,179 10,959
With an Allowance Recorded 713 1,794 5,141
Related Allowance 55 1 2,072
Average Recorded Investment 13,196 17,264 17,159
Interest Income Recognized 181 1,266 1,379
Real Estate | Construction      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 27,201    
Unpaid Principal Balance 28,000    
With an Allowance Recorded 27,201    
Related Allowance 13,973    
Average Recorded Investment 18,421    
Interest Income Recognized 249    
Real Estate | Residential property      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 1,124 788 2,563
Unpaid Principal Balance 1,163 929 2,728
With No Related Allowance Recorded 1,089 788 824
With an Allowance Recorded 35   1,739
Related Allowance     21
Average Recorded Investment 1,356 1,932 2,771
Interest Income Recognized 29 91 122
Commercial and Industrial      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 13,700 4,396 3,040
Unpaid Principal Balance 14,090 4,601 3,081
With No Related Allowance Recorded 143 1,644 1,069
With an Allowance Recorded 13,557 2,752 1,971
Related Allowance 8,885 428 441
Average Recorded Investment 19,361 3,568 4,214
Interest Income Recognized 512 211 208
Leases Receivable      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 5,902 5,129 4,452
Unpaid Principal Balance 5,909 5,162 4,626
With No Related Allowance Recorded 1,112 1,256 455
With an Allowance Recorded 4,790 3,873 3,997
Related Allowance 2,863 1,383 3,334
Average Recorded Investment 4,854 5,229 4,464
Interest Income Recognized 44 46 47
Consumer      
Financing Receivable, Impaired [Line Items]      
Recorded Investment 1,297 839 1,029
Unpaid Principal Balance 1,588 1,073 1,215
With No Related Allowance Recorded 1,220 746 919
With an Allowance Recorded 77 93 110
Related Allowance 1   10
Average Recorded Investment 1,489 1,020 982
Interest Income Recognized $ 37 $ 60 $ 33