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Loans and Leases Receivable and Allowance for Credit Losses on Loans and Leases - Performance Status (Detail) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | $ 13,145,352 | $ 13,144,894
Loans still accruing interest because collection is considered probable | 1,700 | 1,900
Purchased-credit-impaired loans | 7,900 | 8,300
Small Business Administration (SBA), CARES Act, Paycheck Protection Program |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 246,300 | 998,200
Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 59,892 | 75,345
30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 22,590 | 38,471
30-59 Days past due | Small Business Administration (SBA), CARES Act, Paycheck Protection Program |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 800 | 600
60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 14,809 | 15,570
90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 22,493 | 21,304
Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 13,085,460 | 13,069,549
60 Days or More Past Due | Small Business Administration (SBA), CARES Act, Paycheck Protection Program |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 117,900 | 36,000
Commercial and industrial, including specialty lending |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 6,814,864 | 6,672,830
Commercial and industrial, including specialty lending | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 4,752 | 5,255
Commercial and industrial, including specialty lending | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,158 | 3,123
Commercial and industrial, including specialty lending | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 172 | 717
Commercial and industrial, including specialty lending | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 3,422 | 1,415
Commercial and industrial, including specialty lending | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 6,810,112 | 6,667,575
Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 2,195,211 | 2,213,019
Multifamily | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 6,070 | 17,044
Multifamily | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 10,684
Multifamily | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 5,189 | 5,217
Multifamily | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 881 | 1,143
Multifamily | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 2,189,141 | 2,195,975
Commercial real estate owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 895,314 | 885,339
Commercial real estate owner occupied | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 5,975 | 7,877
Commercial real estate owner occupied | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 2,412 | 5,173
Commercial real estate owner occupied | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Commercial real estate owner occupied | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 3,563 | 2,704
Commercial real estate owner occupied | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 889,339 | 877,462
Commercial real estate non-owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,245,248 | 1,290,730
Commercial real estate non-owner occupied | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 11 | 2,147
Commercial real estate non-owner occupied | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 2,136
Commercial real estate non-owner occupied | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Commercial real estate non-owner occupied | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 11 | 11
Commercial real estate non-owner occupied | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,245,237 | 1,288,583
Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 188,123 | 162,009
Construction | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Construction | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Construction | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Construction | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Construction | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 188,123 | 162,009
Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 494,815 | 497,952
Residential real estate | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 9,791 | 9,523
Residential real estate | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 6,808 | 5,208
Residential real estate | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 420 | 1,157
Residential real estate | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 2,563 | 3,158
Residential real estate | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 485,024 | 488,429
Manufactured housing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 43,272 | 45,076
Manufactured housing | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 4,923 | 4,784
Manufactured housing | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 819 | 901
Manufactured housing | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 771 | 537
Manufactured housing | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 3,333 | 3,346
Manufactured housing | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 38,349 | 40,292
Installment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,268,505 | 1,377,939
Installment | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 28,370 | 28,715
Installment | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 11,393 | 11,246
Installment | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 8,257 | 7,942
Installment | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 8,720 | 9,527
Installment | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | $ 1,240,135 | $ 1,349,224

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