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Note 8 - Loans (Tables) | 6 Months Ended
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Jun. 30, 2021
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | June 30, 2021 |  |  | December 31, 2020 |
|  | (In thousands) |
Commercial loans |  | $ | 2,867,437 |  |  | $ | 2,836,833 |
Residential mortgage loans |  |  | 4,103,736 |  |  |  | 4,145,389 |
Commercial mortgage loans |  |  | 7,615,088 |  |  |  | 7,555,027 |
Real estate construction loans |  |  | 664,495 |  |  |  | 679,492 |
Equity lines |  |  | 436,801 |  |  |  | 424,555 |
Installment and other loans |  |  | 3,132 |  |  |  | 3,100 |
Gross loans |  | $ | 15,690,689 |  |  | $ | 15,644,396 |
Allowance for loan losses |  |  | (131,256 | ) |  |  | (166,538 | )
Unamortized deferred loan fees, net |  |  | (6,865 | ) |  |  | (2,494 | )
Total loans, net |  | $ | 15,552,568 |  |  | $ | 15,475,364 |
Impaired Financing Receivables [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2021 |
|  | Average Recorded Investment |  |  | Interest Income Recognized |  |  | Average Recorded Investment |  |  | Interest Income Recognized |
|  | (In thousands) |
Commercial loans |  | $ | 24,450 |  |  | $ | 31 |  |  | $ | 26,348 |  |  | $ | 43 |
Real estate construction loans |  |  | 4,149 |  |  |  | 73 |  |  |  | 4,189 |  |  |  | 170 |
Commercial mortgage loans |  |  | 36,792 |  |  |  | 100 |  |  |  | 38,445 |  |  |  | 157 |
Residential mortgage loans and equity lines |  |  | 8,653 |  |  |  | 8 |  |  |  | 8,541 |  |  |  | 16 |
Total non-accrual loans |  | $ | 74,044 |  |  | $ | 212 |  |  | $ | 77,523 |  |  | $ | 386 |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2020 |  |  | June 30, 2020 |
|  | Average Recorded Investment |  |  | Interest Income Recognized |  |  | Average Recorded Investment |  |  | Interest Income Recognized |
|  | (In thousands) |
Commercial loans |  | $ | 33,695 |  |  | $ | 71 |  |  | $ | 30,913 |  |  | $ | 95 |
Real estate construction loans |  |  | 4,458 |  |  |  | 49 |  |  |  | 4,482 |  |  |  | 147 |
Commercial mortgage loans |  |  | 36,225 |  |  |  | 375 |  |  |  | 36,225 |  |  |  | 824 |
Residential mortgage loans and equity lines |  |  | 17,724 |  |  |  | 78 |  |  |  | 14,547 |  |  |  | 149 |
Total impaired loans |  | $ | 92,102 |  |  | $ | 573 |  |  | $ | 86,167 |  |  | $ | 1,215 |
Schedule Of Impaired Loans And Related Allowance And Charge Off [Table Text Block] |
|  | June 30, 2021 |
|  | Unpaid Principal Balance |  |  | Recorded Investment |  |  | Allowance |
|  | (In thousands) |
With no allocated allowance |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 26,552 |  |  | $ | 14,253 |  |  | $ | — |
Real estate construction loans |  |  | 5,776 |  |  |  | 4,116 |  |  |  | — |
Commercial mortgage loans |  |  | 20,774 |  |  |  | 20,003 |  |  |  | — |
Residential mortgage loans and equity lines |  |  | 7,096 |  |  |  | 6,921 |  |  |  | — |
Subtotal |  | $ | 60,198 |  |  | $ | 45,293 |  |  | $ | — |
With allocated allowance |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 2,309 |  |  | $ | 2,080 |  |  | $ | 22 |
Commercial mortgage loans |  |  | 16,976 |  |  |  | 16,881 |  |  |  | 5,139 |
Residential mortgage loans and equity lines |  |  | 3,996 |  |  |  | 3,528 |  |  |  | — |
Subtotal |  | $ | 23,281 |  |  | $ | 22,489 |  |  | $ | 5,161 |
Total non-accrual loans |  | $ | 83,479 |  |  | $ | 67,782 |  |  | $ | 5,161 |
|  | December 31, 2020 |
|  | Unpaid Principal Balance |  |  | Recorded Investment |  |  | Allowance |
|  | (In thousands) |
With no allocated allowance |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 23,784 |  |  | $ | 20,698 |  |  | $ | — |
Real estate construction loans |  |  | 5,776 |  |  |  | 4,286 |  |  |  | — |
Commercial mortgage loans |  |  | 22,877 |  |  |  | 22,287 |  |  |  | — |
Residential mortgage loans and equity lines |  |  | 6,379 |  |  |  | 6,307 |  |  |  | — |
Subtotal |  | $ | 58,816 |  |  | $ | 53,578 |  |  | $ | — |
With allocated allowance |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 13,703 |  |  | $ | 6,372 |  |  | $ | 1,030 |
Commercial mortgage loans |  |  | 31,134 |  |  |  | 31,003 |  |  |  | 5,254 |
Residential mortgage loans and equity lines |  |  | 5,005 |  |  |  | 4,452 |  |  |  | 145 |
Subtotal |  | $ | 49,842 |  |  | $ | 41,827 |  |  | $ | 6,429 |
Total impaired loans |  | $ | 108,658 |  |  | $ | 95,405 |  |  | $ | 6,429 |
Financing Receivable, Past Due [Table Text Block] |
|  | June 30, 2021 |
|  | 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 |
|  | (In thousands) |
Commercial loans |  | $ | 17,010 |  |  | $ | 599 |  |  | $ | 1,249 |  |  | $ | 16,333 |  |  | $ | 35,191 |  |  | $ | 2,832,246 |  |  | $ | 2,867,437 |
Real estate construction loans |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,116 |  |  |  | 4,116 |  |  |  | 660,379 |  |  |  | 664,495 |
Commercial mortgage loans |  |  | 228 |  |  |  | — |  |  |  | — |  |  |  | 36,884 |  |  |  | 37,112 |  |  |  | 7,577,976 |  |  |  | 7,615,088 |
Residential mortgage loans and equity lines |  |  | 588 |  |  |  | 2,300 |  |  |  | 264 |  |  |  | 10,449 |  |  |  | 13,601 |  |  |  | 4,526,936 |  |  |  | 4,540,537 |
Installment and other loans |  |  | 1,000 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,000 |  |  |  | 2,132 |  |  |  | 3,132 |
Total loans |  | $ | 18,826 |  |  | $ | 2,899 |  |  | $ | 1,513 |  |  | $ | 67,782 |  |  | $ | 91,020 |  |  | $ | 15,599,669 |  |  | $ | 15,690,689 |
|  | December 31, 2020 |
|  | 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 |
|  | (In thousands) |
Commercial loans |  | $ | 52,601 |  |  | $ | 3,182 |  |  | $ | 2,947 |  |  | $ | 23,087 |  |  | $ | 81,817 |  |  | $ | 2,755,016 |  |  | $ | 2,836,833 |
Real estate construction loans |  |  | 6,257 |  |  |  | — |  |  |  | — |  |  |  | 4,286 |  |  |  | 10,543 |  |  |  | 668,949 |  |  |  | 679,492 |
Commercial mortgage loans |  |  | 45,186 |  |  |  | 18,069 |  |  |  | 2,035 |  |  |  | 33,715 |  |  |  | 99,005 |  |  |  | 7,456,022 |  |  |  | 7,555,027 |
Residential mortgage loans and equity lines |  |  | 14,315 |  |  |  | 4,223 |  |  |  | — |  |  |  | 6,596 |  |  |  | 25,134 |  |  |  | 4,544,810 |  |  |  | 4,569,944 |
Installment and other loans |  |  | 43 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 43 |  |  |  | 3,057 |  |  |  | 3,100 |
Total loans |  | $ | 118,402 |  |  | $ | 25,474 |  |  | $ | 4,982 |  |  | $ | 67,684 |  |  | $ | 216,542 |  |  | $ | 15,427,854 |  |  | $ | 15,644,396 |
Schedule Of Troubled Debt Restructurings [Table Text Block] |
|  | Three Months Ended June 30, 2021 |  |  | June 30, 2021 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Charge-offs |  |  | Specific Reserve |
|  | (In thousands) |
Commercial loans |  |  | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Total |  |  | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
|  | Three Months Ended June 30, 2020 |  |  | June 30, 2020 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Charge-offs |  |  | Specific Reserve |
|  | (In thousands) |
Commercial loans |  |  | 1 |  |  | $ | 1,900 |  |  | $ | 1,900 |  |  | $ | — |  |  | $ | 86 |
Total |  |  | 1 |  |  | $ | 1,900 |  |  | $ | 1,900 |  |  | $ | — |  |  | $ | 86 |
|  | Six Months Ended June 30, 2021 |  |  | June 30, 2021 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Charge-offs |  |  | Specific Reserve |
|  | (In thousands) |
Commercial loans |  |  | 1 |  |  | $ | 686 |  |  | $ | 686 |  |  | $ | — |  |  | $ | — |
Total |  |  | 1 |  |  | $ | 686 |  |  | $ | 686 |  |  | $ | — |  |  | $ | — |
|  | Six Months Ended June 30, 2020 |  |  | June 30, 2020 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Charge-offs |  |  | Specific Reserve |
|  | (In thousands) |
Commercial loans |  |  | 3 |  |  | $ | 2,434 |  |  | $ | 2,434 |  |  | $ | — |  |  | $ | 86 |
Total |  |  | 3 |  |  | $ | 2,434 |  |  | $ | 2,434 |  |  | $ | — |  |  | $ | 86 |
Financing Receivable, Troubled Debt Restructuring [Table Text Block] |
|  | June 30, 2021 |
|  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Accruing TDRs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 4,373 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,373 |
Commercial mortgage loans |  |  | 444 |  |  |  | 5,580 |  |  |  | 13,221 |  |  |  | 19,245 |
Residential mortgage loans |  |  | 1,497 |  |  |  | 254 |  |  |  | 1,892 |  |  |  | 3,643 |
Total accruing TDRs |  | $ | 6,314 |  |  | $ | 5,834 |  |  | $ | 15,113 |  |  | $ | 27,261 |
|  | December 31, 2020 |
|  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Accruing TDRs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 3,983 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,983 |
Commercial mortgage loans |  |  | 515 |  |  |  | 5,635 |  |  |  | 13,425 |  |  |  | 19,575 |
Residential mortgage loans |  |  | 1,724 |  |  |  | 275 |  |  |  | 2,164 |  |  |  | 4,163 |
Total accruing TDRs |  | $ | 6,222 |  |  | $ | 5,910 |  |  | $ | 15,589 |  |  | $ | 27,721 |
Non Accrual Troubled Debt Restructurings [Table Text Block] |
|  | June 30, 2021 |
|  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Non-accrual TDRs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 7,903 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,903 |
Residential mortgage loans |  |  | 499 |  |  |  | — |  |  |  | — |  |  |  | 499 |
Total non-accrual TDRs |  | $ | 8,402 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,402 |
|  | December 31, 2020 |
|  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Non-accrual TDRs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 8,462 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,462 |
Residential mortgage loans |  |  | 523 |  |  |  | — |  |  |  | — |  |  |  | 523 |
Total non-accrual TDRs |  | $ | 8,985 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,985 |
Activity Within The Troubled Debt Resturings [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (In thousands) |
Accruing TDRs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 27,864 |  |  | $ | 34,364 |  |  | $ | 27,721 |  |  | $ | 35,336 |
New restructurings |  |  | — |  |  |  | 1,900 |  |  |  | 686 |  |  |  | 2,434 |
Payments |  |  | (603 | ) |  |  | (4,593 | ) |  |  | (1,146 | ) |  |  | (6,099 | )
Ending balance |  | $ | 27,261 |  |  | $ | 31,671 |  |  | $ | 27,261 |  |  | $ | 31,671 |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (In thousands) |
Non-accrual TDRs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 8,661 |  |  | $ | 17,889 |  |  | $ | 8,985 |  |  | $ | 18,048 |
Charge-offs |  |  | — |  |  |  | (4,970 | ) |  |  | — |  |  |  | (4,970 | )
Payments |  |  | (259 | ) |  |  | (249 | ) |  |  | (583 | ) |  |  | (408 | )
Ending balance |  | $ | 8,402 |  |  | $ | 12,670 |  |  | $ | 8,402 |  |  | $ | 12,670 |
Financing Receivable Credit Quality Indicators [Table Text Block] |
|  | December 31, 2020 |
|  | Pass/Watch |  |  | Special Mention |  |  | Substandard |  |  | Doubtful |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 2,581,128 |  |  | $ | 141,344 |  |  | $ | 108,788 |  |  | $ | 5,573 |  |  | $ | 2,836,833 |
Real estate construction loans |  |  | 593,196 |  |  |  | 82,010 |  |  |  | 4,286 |  |  |  | — |  |  |  | 679,492 |
Commercial mortgage loans |  |  | 7,202,568 |  |  |  | 186,283 |  |  |  | 166,176 |  |  |  | — |  |  |  | 7,555,027 |
Residential mortgage loans and equity lines |  |  | 4,547,052 |  |  |  | 11,647 |  |  |  | 11,245 |  |  |  | — |  |  |  | 4,569,944 |
Installment and other loans |  |  | 3,100 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,100 |
Total gross loans |  | $ | 14,927,044 |  |  | $ | 421,284 |  |  | $ | 290,495 |  |  | $ | 5,573 |  |  | $ | 15,644,396 |
Loan Held for Investment by Loan Portfolio Segments, Internal Risk Ratings and Vintage Year [Table Text Block] |
|  | Loans Amortized Cost Basis by Origination Year |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2021 |  | 2021 |  |  | 2020 |  |  | 2019 |  |  | 2018 |  |  | 2017 |  |  | Prior |  |  | Revolving Loans |  |  | Revolving Converted to Term Loans |  |  | Total |
|  | (In thousands) |
Commercial loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 399,319 |  |  | $ | 391,221 |  |  | $ | 275,646 |  |  | $ | 218,678 |  |  | $ | 98,676 |  |  | $ | 72,443 |  |  | $ | 1,219,335 |  |  | $ | 7,527 |  |  | $ | 2,682,845 |
Special Mention |  |  | — |  |  |  | 100 |  |  |  | 12,675 |  |  |  | 7,953 |  |  |  | 2,892 |  |  |  | 1,023 |  |  |  | 28,928 |  |  |  | 227 |  |  |  | 53,798 |
Substandard |  |  | 31 |  |  |  | 5,409 |  |  |  | 23,927 |  |  |  | 17,287 |  |  |  | 9,084 |  |  |  | 4,594 |  |  |  | 56,434 |  |  |  | 6,606 |  |  |  | 123,372 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,247 |  |  |  | — |  |  |  | 2,247 |
Loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 399,350 |  |  | $ | 396,730 |  |  | $ | 312,248 |  |  | $ | 243,918 |  |  | $ | 110,652 |  |  | $ | 78,060 |  |  | $ | 1,306,944 |  |  | $ | 14,360 |  |  | $ | 2,862,262 |
YTD period charge-offs |  | $ | — |  |  | $ | 73 |  |  | $ | 50 |  |  | $ | 366 |  |  | $ | — |  |  | $ | 50 |  |  | $ | 16,311 |  |  | $ | — |  |  | $ | 16,850 |
YTD period recoveries |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (26 | ) |  |  | — |  |  |  | (163 | ) |  |  | (1,236 | ) |  |  | — |  |  |  | (1,425 | )
Net |  | $ | — |  |  | $ | 73 |  |  | $ | 50 |  |  | $ | 340 |  |  | $ | — |  |  | $ | (113 | ) |  | $ | 15,075 |  |  | $ | — |  |  | $ | 15,425 |
Real estate construction loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 131,786 |  |  | $ | 213,818 |  |  | $ | 157,612 |  |  | $ | 64,904 |  |  | $ | 29,489 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 597,609 |
Special Mention |  |  | 4,643 |  |  |  | 25,075 |  |  |  | 13,759 |  |  |  | 16,422 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 59,899 |
Substandard |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,116 |  |  |  | — |  |  |  | — |  |  |  | 4,116 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 136,429 |  |  | $ | 238,893 |  |  | $ | 171,371 |  |  | $ | 81,326 |  |  | $ | 29,489 |  |  | $ | 4,116 |  |  | $ | — |  |  | $ | — |  |  | $ | 661,624 |
YTD period charge-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
YTD period recoveries |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial mortgage loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 758,939 |  |  | $ | 1,303,822 |  |  | $ | 1,333,604 |  |  | $ | 1,170,110 |  |  | $ | 857,806 |  |  | $ | 1,580,820 |  |  | $ | 169,817 |  |  | $ | — |  |  | $ | 7,174,918 |
Special Mention |  |  | 18,212 |  |  |  | 48,108 |  |  |  | 37,578 |  |  |  | 78,294 |  |  |  | 46,799 |  |  |  | 84,134 |  |  |  | 2,899 |  |  |  | — |  |  |  | 316,024 |
Substandard |  |  | — |  |  |  | 1,698 |  |  |  | 6,789 |  |  |  | 46,616 |  |  |  | 1,804 |  |  |  | 64,785 |  |  |  | 875 |  |  |  | — |  |  |  | 122,567 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 777,151 |  |  | $ | 1,353,628 |  |  | $ | 1,377,971 |  |  | $ | 1,295,020 |  |  | $ | 906,409 |  |  | $ | 1,729,739 |  |  | $ | 173,591 |  |  | $ | — |  |  | $ | 7,613,509 |
YTD period charge-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
YTD period recoveries |  |  | — |  |  |  | — |  |  |  | (120 | ) |  |  | — |  |  |  | — |  |  |  | (14 | ) |  |  | (56 | ) |  |  | — |  |  |  | (190 | )
Net |  | $ | — |  |  | $ | — |  |  | $ | (120 | ) |  | $ | — |  |  | $ | — |  |  | $ | (14 | ) |  | $ | (56 | ) |  | $ | — |  |  | $ | (190 | )
Residential mortgage loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 445,397 |  |  | $ | 708,691 |  |  | $ | 771,944 |  |  | $ | 582,883 |  |  | $ | 507,289 |  |  | $ | 1,067,965 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,084,169 |
Special Mention |  |  | — |  |  |  | 240 |  |  |  | 4,389 |  |  |  | 2,009 |  |  |  | 848 |  |  |  | 1,897 |  |  |  | — |  |  |  | — |  |  |  | 9,383 |
Substandard |  |  | — |  |  |  | 161 |  |  |  | 3,058 |  |  |  | 2,533 |  |  |  | 707 |  |  |  | 5,301 |  |  |  | — |  |  |  | — |  |  |  | 11,760 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 445,397 |  |  | $ | 709,092 |  |  | $ | 779,391 |  |  | $ | 587,425 |  |  | $ | 508,844 |  |  | $ | 1,075,163 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,105,312 |
YTD period charge-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
YTD period recoveries |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (208 | ) |  |  | — |  |  |  | — |  |  |  | (208 | )
Net |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (208 | ) |  | $ | — |  |  | $ | — |  |  | $ | (208 | )
Equity lines |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 9 |  |  | $ | 403,327 |  |  | $ | 32,797 |  |  | $ | 436,133 |
Special Mention |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Substandard |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,250 |  |  |  | 602 |  |  |  | 1,852 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 9 |  |  | $ | 404,577 |  |  | $ | 33,399 |  |  | $ | 437,985 |
YTD period charge-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
YTD period recoveries |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (5 | ) |  |  | (10 | ) |  |  | (15 | )
Net |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (5 | ) |  | $ | (10 | ) |  | $ | (15 | )
Installment and other loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass/Watch |  | $ | 1,056 |  |  | $ | 2,076 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3,132 |
Special Mention |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Substandard |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 1,056 |  |  | $ | 2,076 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3,132 |
YTD period charge-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
YTD period recoveries |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Total loans |  | $ | 1,759,383 |  |  | $ | 2,700,419 |  |  | $ | 2,640,981 |  |  | $ | 2,207,689 |  |  | $ | 1,555,394 |  |  | $ | 2,887,087 |  |  | $ | 1,885,112 |  |  | $ | 47,759 |  |  | $ | 15,683,824 |
Net charge-offs/(recoveries) |  | $ | — |  |  | $ | 73 |  |  | $ | (70 | ) |  | $ | 340 |  |  | $ | — |  |  | $ | (335 | ) |  | $ | 15,014 |  |  | $ | (10 | ) |  | $ | 15,012 |
Financing Receivable, Allowance for Credit Loss [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Residential |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Mortgage Loans |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | and |  |  | and Other |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | Equity Lines |  |  | Loans |  |  | Total |
|  | (In thousands) |
March 31, 2021 Ending Balance * |  | $ | 42,034 |  |  | $ | 6,992 |  |  | $ | 65,347 |  |  | $ | 30,734 |  |  | $ | 3 |  |  | $ | 145,110 |
Provision/(reversal) for possible credit losses |  |  | 5,590 |  |  |  | (873 | ) |  |  | (7,416 | ) |  |  | (3,899 | ) |  |  | (2 | ) |  |  | (6,600 | )
Charge-offs |  |  | (7,712 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (7,712 | )
Recoveries |  |  | 155 |  |  |  | — |  |  |  | 95 |  |  |  | 208 |  |  |  | — |  |  |  | 458 |
Net (charge-offs)/recoveries |  |  | (7,557 | ) |  |  | — |  |  |  | 95 |  |  |  | 208 |  |  |  | — |  |  |  | (7,254 | )
June 30, 2021 Ending Balance |  | $ | 40,067 |  |  | $ | 6,119 |  |  | $ | 58,026 |  |  | $ | 27,043 |  |  | $ | 1 |  |  | $ | 131,256 |
Allowance for unfunded credit commitments March 31, 2021 * |  | $ | 8,163 |  |  | $ | 2,251 |  |  | $ | 36 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,450 |
Provision/(reversal) for possible credit losses |  |  | (3,775 | ) |  |  | 1,330 |  |  |  | 45 |  |  |  | — |  |  |  | — |  |  |  | (2,400 | )
Allowance for unfunded credit commitments June 30, 2021 |  | $ | 4,388 |  |  | $ | 3,581 |  |  | $ | 81 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,050 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Residential |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Mortgage Loans |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | and |  |  | and Other |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | Equity Lines |  |  | Loans |  |  | Total |
|  | (In thousands) |
March 31, 2020 Ending Balance |  | $ | 67,799 |  |  | $ | 23,222 |  |  | $ | 39,886 |  |  | $ | 17,366 |  |  | $ | — |  |  | $ | 148,273 |
Provision/(reversal) for possible credit losses |  |  | 18,213 |  |  |  | 3,478 |  |  |  | 1,151 |  |  |  | 2,158 |  |  |  | — |  |  |  | 25,000 |
Charge-offs |  |  | (5,106 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (5,106 | )
Recoveries |  |  | 1,350 |  |  |  | — |  |  |  | 95 |  |  |  | 68 |  |  |  | — |  |  |  | 1,513 |
Net (charge-offs)/recoveries |  |  | (3,756 | ) |  |  | — |  |  |  | 95 |  |  |  | 68 |  |  |  | — |  |  |  | (3,593 | )
June 30, 2020 Ending Balance |  | $ | 82,256 |  |  | $ | 26,700 |  |  | $ | 41,132 |  |  | $ | 19,592 |  |  | $ | — |  |  | $ | 169,680 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Residential |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Mortgage Loans |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | and |  |  | and Other |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | Equity Lines |  |  | Loans |  |  | Total |
|  | (In thousands) |
2021 Beginning Balance |  | $ | 68,742 |  |  | $ | 30,854 |  |  | $ | 49,205 |  |  | $ | 17,737 |  |  | $ | — |  |  | $ | 166,538 |
Impact of ASU 2016-13 adoption * |  |  | (31,466 | ) |  |  | (24,307 | ) |  |  | 34,993 |  |  |  | 19,211 |  |  |  | 9 |  |  |  | (1,560 | )
Allowance for loan losses, January 1, 2021 * |  |  | 37,276 |  |  |  | 6,547 |  |  |  | 84,198 |  |  |  | 36,948 |  |  |  | 9 |  |  |  | 164,978 |
Provision/(reversal) for possible credit losses |  |  | 18,216 |  |  |  | (428 | ) |  |  | (26,362 | ) |  |  | (10,128 | ) |  |  | (8 | ) |  |  | (18,710 | )
Charge-offs |  |  | (16,850 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (16,850 | )
Recoveries |  |  | 1,425 |  |  |  | — |  |  |  | 190 |  |  |  | 223 |  |  |  | — |  |  |  | 1,838 |
Net (charge-offs)/recoveries |  |  | (15,425 | ) |  |  | — |  |  |  | 190 |  |  |  | 223 |  |  |  | — |  |  |  | (15,012 | )
June 30, 2021 Ending Balance |  | $ | 40,067 |  |  | $ | 6,119 |  |  | $ | 58,026 |  |  | $ | 27,043 |  |  | $ | 1 |  |  | $ | 131,256 |
Allowance for unfunded credit commitments December 31, 2020 |  | $ | 4,802 |  |  | $ | 690 |  |  | $ | 101 |  |  | $ | 284 |  |  | $ | 3 |  |  | $ | 5,880 |
Impact of ASU 2016-13 adoption * |  |  | 3,236 |  |  |  | 3,135 |  |  |  | (66 | ) |  |  | (284 | ) |  |  | (3 | ) |  |  | 6,018 |
Allowance for loan losses, January 1, 2021 * |  |  | 8,038 |  |  |  | 3,825 |  |  |  | 35 |  |  |  | — |  |  |  | — |  |  |  | 11,898 |
Provision/(reversal) for possible credit losses |  |  | (3,650 | ) |  |  | (244 | ) |  |  | 46 |  |  |  | — |  |  |  | — |  |  |  | (3,848 | )
Allowance for unfunded credit commitments June 30, 2021 |  | $ | 4,388 |  |  | $ | 3,581 |  |  | $ | 81 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,050 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Residential |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Mortgage Loans |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | and |  |  | and Other |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | Equity Lines |  |  | Loans |  |  | Total |
|  | (In thousands) |
2020 Beginning Balance |  | $ | 57,021 |  |  | $ | 19,474 |  |  | $ | 33,602 |  |  | $ | 13,108 |  |  | $ | 19 |  |  | $ | 123,224 |
Provision/(reversal) for possible credit losses |  |  | 29,104 |  |  |  | 7,226 |  |  |  | 7,280 |  |  |  | 6,409 |  |  |  | (19 | ) |  |  | 50,000 |
Charge-offs |  |  | (6,427 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (6,427 | )
Recoveries |  |  | 2,558 |  |  |  | — |  |  |  | 250 |  |  |  | 75 |  |  |  | — |  |  |  | 2,883 |
Net (charge-offs)/recoveries |  |  | (3,869 | ) |  |  | — |  |  |  | 250 |  |  |  | 75 |  |  |  | — |  |  |  | (3,544 | )
June 30, 2020 Ending Balance |  | $ | 82,256 |  |  | $ | 26,700 |  |  | $ | 41,132 |  |  | $ | 19,592 |  |  | $ | — |  |  | $ | 169,680 |
Reserve for impaired loans |  | $ | 6,895 |  |  | $ | — |  |  | $ | 323 |  |  | $ | 307 |  |  | $ | — |  |  | $ | 7,525 |
Reserve for non-impaired loans |  | $ | 75,361 |  |  | $ | 26,700 |  |  | $ | 40,809 |  |  | $ | 19,285 |  |  | $ | — |  |  | $ | 162,155 |
Reserve for off-balance sheet credit commitments |  | $ | 3,581 |  |  | $ | 666 |  |  | $ | 117 |  |  | $ | 297 |  |  | $ | 2 |  |  | $ | 4,663 |
Impairment Method [Member] |
Notes Tables |
Impaired Financing Receivables [Table Text Block] |
|  | December 31, 2020 |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Residential |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | Mortgage Loans |  |  | and |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | and Equity Lines |  |  | Other Loans |  |  | Total |
|  | (In thousands) |
Loans individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 1,030 |  |  | $ | — |  |  | $ | 5,254 |  |  | $ | 145 |  |  | $ | — |  |  | $ | 6,429 |
Balance |  | $ | 27,070 |  |  | $ | 4,286 |  |  | $ | 53,289 |  |  | $ | 10,760 |  |  | $ | — |  |  | $ | 95,405 |
Loans collectively evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 67,712 |  |  | $ | 30,854 |  |  | $ | 43,951 |  |  | $ | 17,592 |  |  | $ | — |  |  | $ | 160,109 |
Balance |  | $ | 2,809,763 |  |  | $ | 675,206 |  |  | $ | 7,501,738 |  |  | $ | 4,559,184 |  |  | $ | 3,100 |  |  | $ | 15,548,991 |
Total allowance |  | $ | 68,742 |  |  | $ | 30,854 |  |  | $ | 49,205 |  |  | $ | 17,737 |  |  | $ | — |  |  | $ | 166,538 |
Total balance |  | $ | 2,836,833 |  |  | $ | 679,492 |  |  | $ | 7,555,027 |  |  | $ | 4,569,944 |  |  | $ | 3,100 |  |  | $ | 15,644,396 |

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