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Summary of Significant Accounting Policies - Summary of Impact of ASU on Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Jan. 01, 2020
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New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | $ 72,557 | $ 90,426 |
ASU 2016-13 |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | $ 78,841
Allowance for credit losses on off-balance sheet items |  |  | 2,062
ASU 2016-13 | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 61,408
Allowance for credit losses on off-balance sheet items |  |  | 2,398
ASU 2016-13 | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 17,432
Allowance for credit losses on off-balance sheet items |  |  | (335)
Real Estate |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | 48,890 | 51,876 |
Real Estate | Retail |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | 6,579 | 4,855 |
Real Estate | Hospitality |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | 22,670 | 28,801 |
Real Estate | Other |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | 15,065 | 13,991 |
Real Estate | Total commercial property loans |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | 44,314 | 47,647 |
Real Estate | Construction |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | 4,078 | 2,876 |
Real Estate | Residential/Consumer Loans |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | 498 | 1,353 |
Real Estate | ASU 2016-13 |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 50,463
Real Estate | ASU 2016-13 | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 36,435
Real Estate | ASU 2016-13 | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 14,027
Real Estate | ASU 2016-13 | Retail |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 6,785
Real Estate | ASU 2016-13 | Retail | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 4,911
Real Estate | ASU 2016-13 | Retail | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 1,873
Real Estate | ASU 2016-13 | Hospitality |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 12,387
Real Estate | ASU 2016-13 | Hospitality | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 6,686
Real Estate | ASU 2016-13 | Hospitality | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 5,702
Real Estate | ASU 2016-13 | Other |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 13,415
Real Estate | ASU 2016-13 | Other | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 8,060
Real Estate | ASU 2016-13 | Other | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 5,355
Real Estate | ASU 2016-13 | Total commercial property loans |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 32,587
Real Estate | ASU 2016-13 | Total commercial property loans | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 19,657
Real Estate | ASU 2016-13 | Total commercial property loans | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 12,930
Real Estate | ASU 2016-13 | Construction |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 15,590
Real Estate | ASU 2016-13 | Construction | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 15,003
Real Estate | ASU 2016-13 | Construction | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 587
Real Estate | ASU 2016-13 | Residential/Consumer Loans |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 2,286
Real Estate | ASU 2016-13 | Residential/Consumer Loans | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 1,775
Real Estate | ASU 2016-13 | Residential/Consumer Loans | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 510
Commercial and Industrial |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | 12,418 | 21,410 |
Commercial and Industrial | ASU 2016-13 |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 13,709
Commercial and Industrial | ASU 2016-13 | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 16,206
Commercial and Industrial | ASU 2016-13 | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | (2,497)
Commercial and Industrial | ASU 2016-13 | Commercial term |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 12,175
Commercial and Industrial | ASU 2016-13 | Commercial term | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 14,077
Commercial and Industrial | ASU 2016-13 | Commercial term | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | (1,903)
Commercial and Industrial | ASU 2016-13 | Commercial lines of credit |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 1,358
Commercial and Industrial | ASU 2016-13 | Commercial lines of credit | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 1,887
Commercial and Industrial | ASU 2016-13 | Commercial lines of credit | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | (529)
Commercial and Industrial | ASU 2016-13 | International loans |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 176
Commercial and Industrial | ASU 2016-13 | International loans | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 242
Commercial and Industrial | ASU 2016-13 | International loans | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | (65)
Leases Receivable |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses | $ 11,249 | $ 17,140 |
Leases Receivable | ASU 2016-13 |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 14,669
Leases Receivable | ASU 2016-13 | Pre-ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | 8,767
Leases Receivable | ASU 2016-13 | Impact of ASU 2016-13 Adoption |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Loans receivable, allowance for credit losses |  |  | $ 5,902

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