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Loans and Leases Receivable and Allowance for Credit Losses on Loans and Leases - Performance Status (Detail) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | $ 12,607,742 | $ 9,018,298
Loans still accruing interest because collection is considered probable | 1,500 | 1,400
Purchased-credit-impaired loans | 8,700 | 9,900
Small Business Administration (SBA), CARES Act, Paycheck Protection Program |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,200,000 | 3,300,000
Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 44,983 | 68,433
30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 13,922 | 18,374
30 to 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 | 274,400 | 6,300
60 to 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 11,163 | 8,654
90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 19,898 | 41,405
Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 12,562,759 | 8,949,865
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 | 178,200 | 21,800
Commercial and industrial, including specialty lending |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 6,307,803 | 3,424,783
Commercial and industrial, including specialty lending | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 5,108 | 8,117
Commercial and industrial, including specialty lending | 30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 739 | 2,093
Commercial and industrial, including specialty lending | 60 to 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 419 | 95
Commercial and industrial, including specialty lending | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 3,950 | 5,929
Commercial and industrial, including specialty lending | Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 6,302,695 | 3,416,666
Multi-family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 2,263,268 | 1,486,308
Multi-family | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,159 | 22,624
Multi-family | 30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 1,682
Multi-family | 60 to 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 2,707
Multi-family | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,159 | 18,235
Multi-family | Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 2,262,109 | 1,463,684
Commercial real estate owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 726,670 | 654,922
Commercial real estate owner occupied | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 2,242 | 1,591
Commercial real estate owner occupied | 30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 115 | 287
Commercial real estate owner occupied | 60 to 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 | 2,127 | 1,304
Commercial real estate owner occupied | Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 724,428 | 653,331
Commercial real estate non-owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,263,211 | 1,121,238
Commercial real estate non-owner occupied | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 324 | 2,815
Commercial real estate non-owner occupied | 30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Commercial real estate non-owner occupied | 60 to 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 324 | 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 | 0 | 2,815
Commercial real estate non-owner occupied | Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,262,887 | 1,118,423
Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 136,133 | 198,981
Construction | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Construction | 30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 0 | 0
Construction | 60 to 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 | Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 136,133 | 198,981
Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 465,772 | 334,730
Residential real estate | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 4,436 | 9,834
Residential real estate | 30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 746 | 4,655
Residential real estate | 60 to 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,313 | 789
Residential real estate | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 2,377 | 4,390
Residential real estate | Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 461,336 | 324,896
Manufactured housing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 46,990 | 52,861
Manufactured housing | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 5,264 | 8,025
Manufactured housing | 30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,416 | 2,308
Manufactured housing | 60 to 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 410 | 768
Manufactured housing | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 3,438 | 4,949
Manufactured housing | Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 41,726 | 44,836
Installment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 1,397,895 | 1,744,475
Installment | Total past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 26,450 | 15,427
Installment | 30 to 59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 10,906 | 7,349
Installment | 60 to 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 8,697 | 4,295
Installment | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | 6,847 | 3,783
Installment | Loans and leases not past due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases receivable | $ 1,371,445 | $ 1,729,048

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