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Loans and Leases Receivable and Allowance for Credit Losses on Loans and Leases - Performance Status (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | $ 11,884,664 | $ 11,889,120
Loans still accruing interest because collection is considered probable | 500 | 500
Purchased-credit-impaired loans | 154,000 | 157,200
Small Business Administration (SBA), CARES Act, Paycheck Protection Program |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 52,000 | 74,700
Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 103,840 | 93,956
30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 66,750 | 55,532
30-59 Days past due | Small Business Administration (SBA), CARES Act, Paycheck Protection Program |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 2,700 | 700
60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 6,327 | 14,600
90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 30,763 | 23,824
Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 11,780,824 | 11,795,164
60 Days or More Past Due | Small Business Administration (SBA), CARES Act, Paycheck Protection Program |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 32,300 | 48,500
Commercial and industrial, including specialized lending |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 6,274,501 | 6,211,105
Commercial and industrial, including specialized lending | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 8,714 | 5,991
Commercial and industrial, including specialized lending | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 5,910 | 1,516
Commercial and industrial, including specialized lending | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 180 | 322
Commercial and industrial, including specialized lending | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 2,624 | 4,153
Commercial and industrial, including specialized lending | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 6,265,787 | 6,205,114
Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 2,123,675 | 2,138,622
Multifamily | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 15,492 | 16,003
Multifamily | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 10,331 | 16,003
Multifamily | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 0 | 0
Multifamily | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 5,161 | 0
Multifamily | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 2,108,183 | 2,122,619
Commercial real estate owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 806,278 | 797,319
Commercial real estate owner occupied | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 12,018 | 10,090
Commercial real estate owner occupied | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 3,135 | 449
Commercial real estate owner occupied | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 0 | 3,814
Commercial real estate owner occupied | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 8,883 | 5,827
Commercial real estate owner occupied | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 794,260 | 787,229
Commercial real estate non-owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 1,182,084 | 1,177,650
Commercial real estate non-owner occupied | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 27,694 | 16,653
Commercial real estate non-owner occupied | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 27,632 | 16,653
Commercial real estate non-owner occupied | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 0 | 0
Commercial real estate non-owner occupied | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 62 | 0
Commercial real estate non-owner occupied | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 1,154,390 | 1,160,997
Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 185,601 | 166,393
Construction | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 0 | 0
Construction | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 0 | 0
Construction | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 0 | 0
Construction | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 0 | 0
Construction | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 185,601 | 166,393
Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 482,537 | 484,435
Residential real estate | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 16,375 | 16,523
Residential real estate | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 11,289 | 10,504
Residential real estate | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 786 | 2,255
Residential real estate | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 4,300 | 3,764
Residential real estate | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 466,162 | 467,912
Manufactured housing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 37,382 | 38,670
Manufactured housing | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 3,805 | 4,364
Manufactured housing | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 629 | 1,152
Manufactured housing | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 401 | 343
Manufactured housing | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 2,775 | 2,869
Manufactured housing | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 33,577 | 34,306
Installment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 792,606 | 874,926
Installment | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 19,742 | 24,332
Installment | 30-59 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 7,824 | 9,255
Installment | 60-89 Days past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 4,960 | 7,866
Installment | 90 Days or more past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | 6,958 | 7,211
Installment | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total consumer loans receivable | $ 772,864 | $ 850,594

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