Annual report pursuant to Section 13 and 15(d)

Loans and Leases - Analysis of Past Due Loans, Disaggregated by Loan Class, Non-PCI (Detail)

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Loans and Leases - Analysis of Past Due Loans, Disaggregated by Loan Class, Non-PCI (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable $ 4,610,147 $ 4,600,540
Real Estate    
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable 3,628,505 3,758,355
Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable 869,302 906,260
Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable 922,288 830,679
Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable 3,150,022 3,186,209
Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable 76,455 71,583
Real Estate | Residential property    
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable 402,028 500,563
Leases Receivable    
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable 483,879 398,858
Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans and leases receivable 13,670 13,424
Non-PCI Loans and Leases    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 15,652 22,355
Current 4,594,496 4,578,185
Total loans and leases receivable 4,610,147 4,600,540
Non-PCI Loans and Leases | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 7,497 10,210
Non-PCI Loans and Leases | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 4,060 2,576
Non-PCI Loans and Leases | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 4,094 9,569
Non-PCI Loans and Leases | Real Estate    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 3,721 10,859
Current 3,624,784 3,747,496
Total loans and leases receivable 3,628,505 3,758,355
Non-PCI Loans and Leases | Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 249 1,207
Current 869,053 905,053
Total loans and leases receivable 869,302 906,260
Non-PCI Loans and Leases | Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 907 3,161
Current 921,381 827,518
Total loans and leases receivable 922,288 830,679
Non-PCI Loans and Leases | Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 89 2,227
Current 1,358,344 1,447,043
Total loans and leases receivable 1,358,432 1,449,270
Non-PCI Loans and Leases | Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 1,245 6,595
Current 3,148,778 3,179,614
Total loans and leases receivable 3,150,022 3,186,209
Non-PCI Loans and Leases | Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Current 76,455 71,583
Total loans and leases receivable 76,455 71,583
Non-PCI Loans and Leases | Real Estate | Residential property    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 2,477 4,264
Current 399,551 496,299
Total loans and leases receivable 402,028 500,563
Non-PCI Loans and Leases | Real Estate | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 1,504 5,049
Non-PCI Loans and Leases | Real Estate | 30-59 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 6 221
Non-PCI Loans and Leases | Real Estate | 30-59 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 907 65
Non-PCI Loans and Leases | Real Estate | 30-59 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 51 816
Non-PCI Loans and Leases | Real Estate | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 964 1,102
Non-PCI Loans and Leases | Real Estate | 30-59 Days Past Due | Residential property    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 540 3,947
Non-PCI Loans and Leases | Real Estate | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 1,759 1,682
Non-PCI Loans and Leases | Real Estate | 60-89 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 132  
Non-PCI Loans and Leases | Real Estate | 60-89 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable   1,203
Non-PCI Loans and Leases | Real Estate | 60-89 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable   206
Non-PCI Loans and Leases | Real Estate | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 132 1,409
Non-PCI Loans and Leases | Real Estate | 60-89 Days Past Due | Residential property    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 1,627 273
Non-PCI Loans and Leases | Real Estate | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 458 4,128
Non-PCI Loans and Leases | Real Estate | 90 Days or More Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 111 986
Non-PCI Loans and Leases | Real Estate | 90 Days or More Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable   1,893
Non-PCI Loans and Leases | Real Estate | 90 Days or More Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 38 1,205
Non-PCI Loans and Leases | Real Estate | 90 Days or More Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 149 4,084
Non-PCI Loans and Leases | Real Estate | 90 Days or More Past Due | Residential property    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 309 44
Non-PCI Loans and Leases | Commercial and industrial loans    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 911 2,087
Current 483,183 427,816
Total loans and leases receivable 484,093 429,903
Non-PCI Loans and Leases | Commercial and industrial loans | Commercial term    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 911 1,500
Current 226,742 205,191
Total loans and leases receivable 227,652 206,691
Non-PCI Loans and Leases | Commercial and industrial loans | Commercial lines of credit    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable   587
Current 228,033 193,445
Total loans and leases receivable 228,033 194,032
Non-PCI Loans and Leases | Commercial and industrial loans | International loans    
Financing Receivable, Past Due [Line Items]    
Current 28,409 29,180
Total loans and leases receivable 28,409 29,180
Non-PCI Loans and Leases | Commercial and industrial loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 635 334
Non-PCI Loans and Leases | Commercial and industrial loans | 30-59 Days Past Due | Commercial term    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 635 334
Non-PCI Loans and Leases | Commercial and industrial loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 133 49
Non-PCI Loans and Leases | Commercial and industrial loans | 60-89 Days Past Due | Commercial term    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 133 49
Non-PCI Loans and Leases | Commercial and industrial loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 143 1,704
Non-PCI Loans and Leases | Commercial and industrial loans | 90 Days or More Past Due | Commercial term    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 143 1,117
Non-PCI Loans and Leases | Commercial and industrial loans | 90 Days or More Past Due | Commercial lines of credit    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable   587
Non-PCI Loans and Leases | Leases Receivable    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 10,990 9,263
Current 472,889 389,595
Total loans and leases receivable 483,879 398,858
Non-PCI Loans and Leases | Leases Receivable | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 5,358 4,681
Non-PCI Loans and Leases | Leases Receivable | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 2,138 845
Non-PCI Loans and Leases | Leases Receivable | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 3,493 3,737
Non-PCI Loans and Leases | Consumer    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable 30 146
Current 13,639 13,278
Total loans and leases receivable 13,670 13,424
Non-PCI Loans and Leases | Consumer | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable   $ 146
Non-PCI Loans and Leases | Consumer | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans and leases receivable $ 30