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Note 5 - Loans (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | As of December 31, |
|  | 2023 |  |  | 2022 |
|  | (In thousands) |
Loans: |  |  |  |  |  |  |  |
Commercial loans |  | $ | 3,305,048 |  |  | $ | 3,318,778 |
Construction loans |  |  | 422,647 |  |  |  | 559,372 |
Commercial real estate loans |  |  | 9,729,581 |  |  |  | 8,793,685 |
Residential mortgage loans |  |  | 5,838,747 |  |  |  | 5,252,952 |
Equity lines |  |  | 245,919 |  |  |  | 324,548 |
Installment and other loans |  |  | 6,198 |  |  |  | 4,689 |
Gross loans |  |  | 19,548,140 |  |  |  | 18,254,024 |
Less: |  |  |  |  |  |  |  |
Allowance for loan losses |  |  | (154,562 | ) |  |  | (146,485 | )
Unamortized deferred loan fees |  |  | (10,720 | ) |  |  | (6,641 | )
Total loans, net |  | $ | 19,382,858 |  |  | $ | 18,100,898 |
Schedule of Related Party Transactions [Table Text Block] |
|  | December 31, |
|  | 2023 |  |  | 2022 |
|  | (In thousands) |
Balance at beginning of year |  | $ | 33,217 |  |  | $ | 38,532 |
Additional loans made |  |  | 20,160 |  |  |  | 25,050 |
Payment received |  |  | (7,670 | ) |  |  | (30,365 | )
Balance at end of year |  | $ | 45,707 |  |  | $ | 33,217 |
Financing Receivable, Nonaccrual [Table Text Block] |
|  | For the year ended December 31, 2023 |
|  | Average Recorded Investment |  |  | Interest Income Recognized |
|  | (In thousands) |
Commercial loans |  | $ | 18,008 |  |  | $ | 3 |
Construction loans |  |  | 6,336 |  |  |  | — |
Commercial real estate loans |  |  | 35,742 |  |  |  | 318 |
Residential mortgage and equity lines |  |  | 11,743 |  |  |  | — |
Installment and other loans |  |  | 1 |  |  |  | — |
Total |  | $ | 71,830 |  |  | $ | 321 |
|  | Average Recorded Investment |  |  | Interest Income Recognized |
Commercial loans |  | $ | 28,109 |  |  | $ | 4 |
Construction loans |  |  | 28,983 |  |  |  | — |
Commercial real estate loans |  |  | 14,251 |  |  |  | 405 |
Residential mortgage and equity lines |  |  | 28 |  |  |  | 26 |
Total |  | $ | 71,371 |  |  | $ | 435 |
|  | As of December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
|  | (In thousands) |
Non-accrual portfolio loans |  | $ | 66,681 |  |  | $ | 68,854 |  |  | $ | 65,846 |
Contractual interest due |  |  | 6,270 |  |  |  | 4,620 |  |  |  | 4,032 |
Interest recognized |  |  | 321 |  |  |  | 435 |  |  |  | 1,074 |
Net interest foregone |  | $ | 5,949 |  |  | $ | 4,185 |  |  | $ | 2,958 |
Schedule of Nonaccrual Loans and Related Allowance and Charge Off [Table Text Block] |
|  | As of December 31, 2023 |
|  | Unpaid Principal Balance |  |  | Recorded Investment |  |  | Allowance |
|  | (In thousands) |
With no allocated allowance: |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 26,310 |  |  | $ | 14,404 |  |  | $ | — |
Construction loans |  |  | 7,736 |  |  |  | 7,736 |  |  |  | — |
Commercial real estate loans |  |  | 41,725 |  |  |  | 32,030 |  |  |  | — |
Residential mortgage and equity lines |  |  | 12,957 |  |  |  | 12,511 |  |  |  | — |
Installment and other loans |  |  | — |  |  |  | — |  |  |  | — |
Subtotal |  | $ | 88,728 |  |  | $ | 66,681 |  |  | $ | — |
With allocated allowance: |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial real estate loans |  |  | — |  |  |  | — |  |  |  | — |
Residential mortgage and equity lines |  |  | — |  |  |  | — |  |  |  | — |
Subtotal |  | $ | — |  |  | $ | — |  |  | $ | — |
Total non-accrual loans |  | $ | 88,728 |  |  | $ | 66,681 |  |  | $ | — |
|  | As of December 31, 2022 |
|  | Unpaid Principal Balance |  |  | Recorded Investment |  |  | Allowance |
|  | (In thousands) |
With no allocated allowance: |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 27,341 |  |  | $ | 12,949 |  |  | $ | — |
Commercial real estate loans |  |  | 37,697 |  |  |  | 32,205 |  |  |  | — |
Residential mortgage and equity lines |  |  | 9,626 |  |  |  | 8,978 |  |  |  |  |
Installment and other loans |  |  | 9 |  |  |  | 8 |  |  |  | — |
Subtotal |  | $ | 74,673 |  |  | $ | 54,140 |  |  | $ | — |
With allocated allowance: |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 14,643 |  |  | $ | 12,823 |  |  | $ | 3,734 |
Commercial real estate loans |  |  | 1,896 |  |  |  | 1,891 |  |  |  | 207 |
Subtotal |  | $ | 16,539 |  |  | $ | 14,714 |  |  | $ | 3,941 |
Total non-accrual loans |  | $ | 91,212 |  |  | $ | 68,854 |  |  | $ | 3,941 |
Financing Receivable, Past Due [Table Text Block] |
|  | As of December 31, 2023 |
|  | 30-59 Days Past Due |  |  | 60-89 Days Past Due |  |  | 90 Days or More Past Due |  |  | Non-accrual Loans |  |  | Total Past Due |  |  | Loans Not Past Due |  |  | Total |
Type of Loans: |  | (In thousands) |
Commercial loans |  | $ | 11,771 |  |  | $ | 7,770 |  |  | $ | 508 |  |  | $ | 14,404 |  |  | $ | 34,453 |  |  | $ | 3,270,595 |  |  | $ | 3,305,048 |
Construction loans |  |  | 25,389 |  |  |  | 22,998 |  |  |  | — |  |  |  | 7,736 |  |  |  | 56,123 |  |  |  | 366,524 |  |  |  | 422,647 |
Commercial real estate loans |  |  | 27,900 |  |  |  | 1,503 |  |  |  | 6,649 |  |  |  | 32,030 |  |  |  | 68,082 |  |  |  | 9,661,499 |  |  |  | 9,729,581 |
Residential mortgage loans and equity lines |  |  | 59,606 |  |  |  | 6,670 |  |  |  | — |  |  |  | 12,511 |  |  |  | 78,787 |  |  |  | 6,005,879 |  |  |  | 6,084,666 |
Installment and other loans |  |  | 32 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 32 |  |  |  | 6,166 |  |  |  | 6,198 |
Total loans |  | $ | 124,698 |  |  | $ | 38,941 |  |  | $ | 7,157 |  |  | $ | 66,681 |  |  | $ | 237,477 |  |  | $ | 19,310,663 |  |  | $ | 19,548,140 |
|  | As of December 31, 2022 |
|  | 30-59 Days Past Due |  |  | 60-89 Days Past Due |  |  | 90 Days or More Past Due |  |  | Non-accrual Loans |  |  | Total Past Due |  |  | Loans Not Past Due |  |  | Total |
Type of Loans: |  | (In thousands) |
Commercial loans |  | $ | 8,192 |  |  | $ | 3,235 |  |  | $ | 10,208 |  |  | $ | 25,772 |  |  | $ | 47,407 |  |  | $ | 3,271,371 |  |  | $ | 3,318,778 |
Construction loans |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 559,372 |  |  |  | 559,372 |
Commercial real estate loans |  |  | 25,772 |  |  |  | — |  |  |  | 1,372 |  |  |  | 34,096 |  |  |  | 61,240 |  |  |  | 8,732,445 |  |  |  | 8,793,685 |
Residential mortgage loans and equity lines |  |  | 47,043 |  |  |  | 5,685 |  |  |  | — |  |  |  | 8,978 |  |  |  | 61,706 |  |  |  | 5,515,794 |  |  |  | 5,577,500 |
Installment and other loans |  |  | 5 |  |  |  | 1 |  |  |  | — |  |  |  | 8 |  |  |  | 14 |  |  |  | 4,675 |  |  |  | 4,689 |
Total loans |  | $ | 81,012 |  |  | $ | 8,921 |  |  | $ | 11,580 |  |  | $ | 68,854 |  |  | $ | 170,367 |  |  | $ | 18,083,657 |  |  | $ | 18,254,024 |
Schedule Of Troubled Debt Restructurings [Table Text Block] |
|  | Loans Modified as TDRs During the Year Ended December 31, 2022 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Specific Reserve |  |  | Charge-offs |
|  | (Dollars in thousands) |
Commercial loans |  |  | 4 |  |  | $ | 6,115 |  |  | $ | 6,115 |  |  | $ | 427 |  |  | $ | — |
Commercial real estate loans |  |  | 3 |  |  |  | 3,676 |  |  |  | 3,669 |  |  |  | — |  |  |  | — |
Residential mortgage and equity lines |  |  | 8 |  |  |  | 2,189 |  |  |  | 2,162 |  |  |  | — |  |  |  | — |
Total |  |  | 15 |  |  | $ | 11,980 |  |  | $ | 11,946 |  |  | $ | 427 |  |  | $ | — |
|  | Loans Modified as TDRs During the Year Ended December 31, 2021 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Specific Reserve (1) |  |  | Charge-off |
|  | (Dollars in thousands) |
Commercial loans |  |  | 3 |  |  | $ | 2,150 |  |  | $ | 2,150 |  |  | $ | — |  |  | $ | — |
Residential mortgage and equity lines |  |  | 2 |  |  |  | 3 |  |  |  | 3 |  |  |  | — |  |  |  | — |
Total |  |  | 5 |  |  | $ | 2,153 |  |  | $ | 2,153 |  |  | $ | — |  |  | $ | — |
Financing Receivable, Modified, Amortized Cost [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Financial Effects of Loan Modifications |
|  | Payment Delay |  |  | Combo-Rate Reduction/Term Extension/Payment Delay |  |  | Total |  |  | Modification as a % of Loan Class |  |  | Weighted-Average Rate Reduction |  |  | Weighted-Average Term Extension (in Years) |  |  | Weighted-Average Payment Deferral (in Years) |
Loan Type |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | — |  |  | $ | 2,650 |  |  | $ | 2,650 |  |  |  | 0.08 | % |  |  | 1.10 | % |  |  | 2.2 |  |  |  | 0.9 |
Residential mortgage loans |  |  | 222 |  |  |  | — |  |  |  | 222 |  |  |  | 0.00 | % |  |  | 0.10 | % |  |  | 0.0 |  |  |  | 2.0 |
Total |  | $ | 222 |  |  | $ | 2,650 |  |  | $ | 2,872 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Modified, Performance [Table Text Block] |
|  | Twelve Months Ended December 31, 2023 |
|  | Current |  |  | 30–89 Days Past Due |  |  | 90+ Days Past Due |  |  | Total |
|  | (In thousands) |
Loan Type |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 2,650 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,650 |
Residential mortgage loans |  |  | 222 |  |  |  | — |  |  |  | — |  |  |  | 222 |
Total |  | $ | 2,872 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,872 |
Financing Receivable, Modified [Table Text Block] |
|  | December 31, 2022 |
Accruing TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 2,588 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,588 |
Commercial real estate loans |  |  | 2,791 |  |  |  | — |  |  |  | 5,855 |  |  |  | 8,646 |
Residential mortgage loans |  |  | 2,181 |  |  |  | 445 |  |  |  | 1,285 |  |  |  | 3,911 |
Total accruing TDRs |  | $ | 7,560 |  |  | $ | 445 |  |  | $ | 7,140 |  |  | $ | 15,145 |
|  | December 31, 2022 |
Non-accrual TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 3,629 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,629 |
Commercial real estate loans |  |  | 1,098 |  |  |  | — |  |  |  | — |  |  |  | 1,098 |
Residential mortgage loans |  |  | 1,621 |  |  |  | — |  |  |  | — |  |  |  | 1,621 |
Total non-accrual TDRs |  | $ | 6,348 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,348 |
Loan Held for Investment by Loan Portfolio Segments, Internal Risk Ratings and Vintage Year [Table Text Block] |
|  | Loans Amortized Cost Basis by Origination Year |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2023 |  | 2023 |  |  | 2022 |  |  | 2021 |  |  | 2020 |  |  | 2019 |  |  | Prior |  |  | Revolving Loans |  |  | Revolving Converted to Term Loans |  |  | Total |
|  | (In thousands) |
Commercial loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 381,705 |  |  | $ | 323,939 |  |  | $ | 326,650 |  |  | $ | 96,725 |  |  | $ | 75,281 |  |  | $ | 136,162 |  |  | $ | 1,775,162 |  |  | $ | 8,308 |  |  | $ | 3,123,932 |
Special Mention |  |  | 4,488 |  |  |  | 4,875 |  |  |  | 8,559 |  |  |  | 23,380 |  |  |  | — |  |  |  | — |  |  |  | 75,419 |  |  |  | — |  |  |  | 116,721 |
Substandard |  |  | 1,752 |  |  |  | 653 |  |  |  | 9,895 |  |  |  | 2,462 |  |  |  | 763 |  |  |  | 5,775 |  |  |  | 40,131 |  |  |  | 116 |  |  |  | 61,547 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 387,945 |  |  | $ | 329,467 |  |  | $ | 345,104 |  |  | $ | 122,567 |  |  | $ | 76,044 |  |  | $ | 141,937 |  |  | $ | 1,890,712 |  |  | $ | 8,424 |  |  | $ | 3,302,200 |
YTD gross write-offs |  | $ | — |  |  | $ | 977 |  |  | $ | 1,312 |  |  | $ | 384 |  |  | $ | 3,672 |  |  | $ | 6,044 |  |  | $ | 1,520 |  |  | $ | — |  |  | $ | 13,909 |
Construction loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 29,550 |  |  | $ | 131,984 |  |  | $ | 153,977 |  |  | $ | 19,461 |  |  | $ | 13,298 |  |  | $ | 3,131 |  |  | $ | — |  |  | $ | — |  |  | $ | 351,401 |
Special Mention |  |  | 1,911 |  |  |  | — |  |  |  | 11,707 |  |  |  | 25,389 |  |  |  | — |  |  |  | 22,998 |  |  |  | — |  |  |  | — |  |  |  | 62,005 |
Substandard |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 7,736 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 7,736 |
Total |  | $ | 31,461 |  |  | $ | 131,984 |  |  | $ | 165,684 |  |  | $ | 44,850 |  |  | $ | 21,034 |  |  | $ | 26,129 |  |  | $ | — |  |  | $ | — |  |  | $ | 421,142 |
YTD gross write-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 4,221 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,221 |
Commercial real estate loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 2,121,489 |  |  | $ | 1,959,239 |  |  | $ | 1,585,010 |  |  | $ | 887,508 |  |  | $ | 1,019,952 |  |  | $ | 1,726,015 |  |  | $ | 184,601 |  |  | $ | — |  |  | $ | 9,483,814 |
Special Mention |  |  | 37,604 |  |  |  | 18,910 |  |  |  | 38,405 |  |  |  | 3,499 |  |  |  | 10,303 |  |  |  | 17,210 |  |  |  | 1,384 |  |  |  | — |  |  |  | 127,315 |
Substandard |  |  | — |  |  |  | 11,870 |  |  |  | 12,170 |  |  |  | 2,965 |  |  |  | 17,293 |  |  |  | 66,205 |  |  |  | — |  |  |  | — |  |  |  | 110,503 |
Total |  | $ | 2,159,093 |  |  | $ | 1,990,019 |  |  | $ | 1,635,585 |  |  | $ | 893,972 |  |  | $ | 1,047,548 |  |  | $ | 1,809,430 |  |  | $ | 185,985 |  |  | $ | — |  |  | $ | 9,721,632 |
YTD gross write-offs |  | $ | — |  |  | $ | — |  |  | $ | 208 |  |  | $ | — |  |  | $ | 969 |  |  | $ | 4,164 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,341 |
Residential mortgage loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 1,140,998 |  |  | $ | 1,128,526 |  |  | $ | 902,613 |  |  | $ | 524,315 |  |  | $ | 541,005 |  |  | $ | 1,583,118 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,820,575 |
Special Mention |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 33 |  |  |  | — |  |  |  | 1,619 |  |  |  | — |  |  |  | — |  |  |  | 1,652 |
Substandard |  |  | 7 |  |  |  | 652 |  |  |  | 3,325 |  |  |  | 2,577 |  |  |  | 1,334 |  |  |  | 9,311 |  |  |  | — |  |  |  | — |  |  |  | 17,206 |
Total |  | $ | 1,141,005 |  |  | $ | 1,129,178 |  |  | $ | 905,938 |  |  | $ | 526,925 |  |  | $ | 542,339 |  |  | $ | 1,594,048 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,839,433 |
YTD gross write-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Equity lines |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | — |  |  | $ | 98 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 227,502 |  |  | $ | 16,628 |  |  | $ | 244,228 |
Special Mention |  |  | — |  |  |  | 3 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3 |
Substandard |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,511 |  |  |  | 173 |  |  |  | 2,684 |
Total |  | $ | — |  |  | $ | 101 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 230,013 |  |  | $ | 16,801 |  |  | $ | 246,915 |
YTD gross write-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Installment and other loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 5,114 |  |  | $ | 981 |  |  | $ | 3 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 6,098 |
Total |  | $ | 5,114 |  |  | $ | 981 |  |  | $ | 3 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 6,098 |
YTD gross write-offs |  | $ | — |  |  | $ | 15 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 15 |
Total loans |  | $ | 3,724,618 |  |  | $ | 3,581,730 |  |  | $ | 3,052,314 |  |  | $ | 1,588,314 |  |  | $ | 1,686,965 |  |  | $ | 3,571,544 |  |  | $ | 2,306,710 |  |  | $ | 25,225 |  |  | $ | 19,537,420 |
Total YTD gross write-offs |  | $ | — |  |  | $ | 992 |  |  | $ | 1,520 |  |  | $ | 384 |  |  | $ | 4,641 |  |  | $ | 14,429 |  |  | $ | 1,520 |  |  | $ | — |  |  | $ | 23,486 |
|  | Loans Amortized Cost Basis by Origination Year |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2022 |  | 2022 |  |  | 2021 |  |  | 2020 |  |  | 2019 |  |  | 2018 |  |  | Prior |  |  | Revolving Loans |  |  | Revolving Converted to Term Loans |  |  | Total |
|  | (In thousands) |
Commercial loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 488,748 |  |  | $ | 446,647 |  |  | $ | 180,226 |  |  | $ | 119,355 |  |  | $ | 107,896 |  |  | $ | 106,649 |  |  | $ | 1,753,509 |  |  | $ | 6,560 |  |  | $ | 3,209,590 |
Special Mention |  |  | 1,212 |  |  |  | 4,696 |  |  |  | 2,818 |  |  |  | 68 |  |  |  | 308 |  |  |  | 4,354 |  |  |  | 41,110 |  |  |  | — |  |  |  | 54,566 |
Substandard |  |  | 25 |  |  |  | 12,750 |  |  |  | 342 |  |  |  | 4,859 |  |  |  | 2,766 |  |  |  | 6,985 |  |  |  | 22,084 |  |  |  | 133 |  |  |  | 49,944 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,504 |  |  |  | 2,185 |  |  |  | — |  |  |  | 234 |  |  |  | — |  |  |  | 3,923 |
Total |  | $ | 489,985 |  |  | $ | 464,093 |  |  | $ | 183,386 |  |  | $ | 125,786 |  |  | $ | 113,155 |  |  | $ | 117,988 |  |  | $ | 1,816,937 |  |  | $ | 6,693 |  |  | $ | 3,318,023 |
YTD gross write-offs |  | $ | 96 |  |  | $ | 587 |  |  | $ | 120 |  |  | $ | 71 |  |  | $ | 1,786 |  |  | $ | 360 |  |  | $ | 202 |  |  | $ | — |  |  | $ | 3,222 |
Construction loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 99,798 |  |  | $ | 264,197 |  |  | $ | 113,312 |  |  | $ | 20,479 |  |  | $ | 3,067 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 500,853 |
Special Mention |  |  | — |  |  |  | 360 |  |  |  | 9,449 |  |  |  | 11,643 |  |  |  | 22,945 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 44,397 |
Substandard |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,736 |  |  |  | 9,309 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11,045 |
Total |  | $ | 99,798 |  |  | $ | 264,557 |  |  | $ | 122,761 |  |  | $ | 33,858 |  |  | $ | 35,321 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 556,295 |
YTD gross write-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial real estate loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 2,087,650 |  |  | $ | 1,728,607 |  |  | $ | 975,953 |  |  | $ | 1,094,505 |  |  | $ | 908,748 |  |  | $ | 1,420,982 |  |  | $ | 178,116 |  |  | $ | — |  |  | $ | 8,394,561 |
Special Mention |  |  | 22,150 |  |  |  | 57,015 |  |  |  | 25,593 |  |  |  | 32,119 |  |  |  | 17,999 |  |  |  | 63,782 |  |  |  | 1,600 |  |  |  | — |  |  |  | 220,258 |
Substandard |  |  | 12,320 |  |  |  | 7,861 |  |  |  | 14,392 |  |  |  | 19,972 |  |  |  | 34,899 |  |  |  | 81,844 |  |  |  | 2,631 |  |  |  | — |  |  |  | 173,919 |
Total |  | $ | 2,122,120 |  |  | $ | 1,793,483 |  |  | $ | 1,015,938 |  |  | $ | 1,146,596 |  |  | $ | 961,646 |  |  | $ | 1,566,608 |  |  | $ | 182,347 |  |  | $ | — |  |  | $ | 8,788,738 |
YTD gross write-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,152 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,152 |
Residential mortgage loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 1,228,391 |  |  | $ | 964,799 |  |  | $ | 580,990 |  |  | $ | 600,786 |  |  | $ | 417,565 |  |  | $ | 1,444,320 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,236,851 |
Special Mention |  |  | — |  |  |  | — |  |  |  | 33 |  |  |  | — |  |  |  | 752 |  |  |  | 905 |  |  |  | — |  |  |  | — |  |  |  | 1,690 |
Substandard |  |  | 206 |  |  |  | 762 |  |  |  | 2,028 |  |  |  | 1,966 |  |  |  | 1,799 |  |  |  | 8,785 |  |  |  | — |  |  |  | — |  |  |  | 15,546 |
Total |  | $ | 1,228,597 |  |  | $ | 965,561 |  |  | $ | 583,051 |  |  | $ | 602,752 |  |  | $ | 420,116 |  |  | $ | 1,454,010 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,254,087 |
YTD gross write-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Equity lines |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 731 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 302,825 |  |  | $ | 21,460 |  |  | $ | 325,016 |
Special Mention |  |  | 5 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5 |
Substandard |  |  | 12 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,043 |  |  |  | 220 |  |  |  | 1,275 |
Total |  | $ | 748 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 303,868 |  |  | $ | 21,680 |  |  | $ | 326,296 |
YTD gross write-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Installment and other loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 1,792 |  |  | $ | 2,152 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3,944 |
Total |  | $ | 1,792 |  |  | $ | 2,152 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3,944 |
YTD gross write-offs |  | $ | 116 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 116 |
Total loans |  | $ | 3,943,040 |  |  | $ | 3,489,846 |  |  | $ | 1,905,136 |  |  | $ | 1,908,992 |  |  | $ | 1,530,238 |  |  | $ | 3,138,606 |  |  | $ | 2,303,152 |  |  | $ | 28,373 |  |  | $ | 18,247,383 |
Total YTD gross write-offs |  | $ | 212 |  |  | $ | 587 |  |  | $ | 120 |  |  | $ | 71 |  |  | $ | 3,938 |  |  | $ | 360 |  |  | $ | 202 |  |  | $ | — |  |  | $ | 5,490 |
Financing Receivable, Allowance for Credit Loss [Table Text Block] |
|  |  |  |  |  |  |  |  | Commercial |  |  | Residential |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Real Estate |  |  | Mortgage |  |  | and Other |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | and Equity Lines |  |  | Loans |  |  | Total |
Allowance for loan losses |  | (In thousands) |
2021 Ending Balance |  | $ | 43,394 |  |  | $ | 6,302 |  |  | $ | 61,081 |  |  | $ | 25,379 |  |  | $ | 1 |  |  | $ | 136,157 |
Provision/(reversal) for expected credit losses |  |  | 6,798 |  |  |  | 4,109 |  |  |  | 9,079 |  |  |  | (7,221 | ) |  |  | 148 |  |  |  | 12,913 |
Charge-offs |  |  | (3,222 | ) |  |  | — |  |  |  | (2,152 | ) |  |  | — |  |  |  | (116 | ) |  |  | (5,490 | )
Recoveries |  |  | 2,465 |  |  |  | 6 |  |  |  | 358 |  |  |  | 74 |  |  |  | 2 |  |  |  | 2,905 |
Net (Charge-offs)/Recoveries |  | $ | (757 | ) |  | $ | 6 |  |  | $ | (1,794 | ) |  | $ | 74 |  |  | $ | (114 | ) |  | $ | (2,585 | )
2022 Ending Balance |  | $ | 49,435 |  |  | $ | 10,417 |  |  | $ | 68,366 |  |  | $ | 18,232 |  |  | $ | 35 |  |  | $ | 146,485 |
Provision/(reversal) for expected credit losses |  |  | 15,275 |  |  |  | 1,984 |  |  |  | 8,570 |  |  |  | (177 | ) |  |  | 3 |  |  |  | 25,655 |
Charge-offs |  |  | (13,909 | ) |  |  | (4,221 | ) |  |  | (5,341 | ) |  |  | — |  |  |  | (15 | ) |  |  | (23,486 | )
Recoveries |  |  | 2,990 |  |  |  | — |  |  |  | 2,833 |  |  |  | 85 |  |  |  | — |  |  |  | 5,908 |
Net (Charge-offs)/Recoveries |  | $ | (10,919 | ) |  | $ | (4,221 | ) |  | $ | (2,508 | ) |  | $ | 85 |  |  | $ | (15 | ) |  | $ | (17,578 | )
2023 Ending Balance |  | $ | 53,791 |  |  | $ | 8,180 |  |  | $ | 74,428 |  |  | $ | 18,140 |  |  | $ | 23 |  |  | $ | 154,562 |
Allowance for unfunded credit commitments, 2021 Ending Balance |  | $ | 3,725 |  |  | $ | 3,375 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 7,100 |
Provision for expected credit losses |  |  | 1,115 |  |  |  | 515 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,630 |
Allowance for unfunded credit commitments 2022 Ending Balance |  | $ | 4,840 |  |  | $ | 3,890 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 8,730 |
Provision/(reversal) for expected credit losses |  |  | 2,048 |  |  |  | (1,725 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 323 |
Allowance for unfunded credit commitments 2023 Ending Balance |  | $ | 6,888 |  |  | $ | 2,165 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 9,053 |

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