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Note 4 - Loans (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | As of December 31, |
|  | 2019 |  |  | 2018 |
|  | (In thousands) |
Type of Loans: |  |  |  |  |  |  |  |
Commercial loans |  | $ | 2,778,744 |  |  | $ | 2,741,965 |
Real estate construction loans |  |  | 579,864 |  |  |  | 581,454 |
Commercial mortgage loans |  |  | 7,275,262 |  |  |  | 6,724,200 |
Residential mortgage loans |  |  | 4,088,586 |  |  |  | 3,693,853 |
Equity lines |  |  | 347,975 |  |  |  | 249,967 |
Installment and other loans |  |  | 5,050 |  |  |  | 4,349 |
Gross loans |  |  | 15,075,481 |  |  |  | 13,995,788 |
Less: |  |  |  |  |  |  |  |
Allowance for loan losses |  |  | (123,224 | ) |  |  | (122,391 | )
Unamortized deferred loan fees |  |  | (626 | ) |  |  | (1,565 | )
Total loans and leases, net |  | $ | 14,951,631 |  |  | $ | 13,871,832 |
Schedule of Related Party Transactions [Table Text Block] |
|  | December 31, |
|  | 2019 |  |  | 2018 |
|  | (In thousands) |
Balance at beginning of year |  | $ | 47,263 |  |  | $ | 66,593 |
Additional loans made |  |  | 19,036 |  |  |  | 18,580 |
Payment received |  |  | (22,347 | ) |  |  | (37,910 | )
Balance at end of year |  | $ | 43,952 |  |  | $ | 47,263 |
Schedule Of Impaired Loans And Related Allowance And Charge Off [Table Text Block] |
|  | Impaired Loans |
|  | As of December 31, 2019 |  |  | As of December 31, 2018 |
|  | Unpaid Principal Balance |  |  | Recorded Investment |  |  | Allowance |  |  | Unpaid Principal Balance |  |  | Recorded Investment |  |  | Allowance |
|  | (In thousands) |
With no allocated allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 20,134 |  |  | $ | 15,857 |  |  | $ | — |  |  | $ | 32,015 |  |  | $ | 30,368 |  |  | $ | — |
Real estate construction loans |  |  | 5,776 |  |  |  | 4,580 |  |  |  | — |  |  |  | 5,776 |  |  |  | 4,873 |  |  |  | — |
Commercial mortgage loans |  |  | 9,234 |  |  |  | 9,030 |  |  |  | — |  |  |  | 34,129 |  |  |  | 24,409 |  |  |  | — |
Residential mortgage and equity lines |  |  | 6,171 |  |  |  | 6,073 |  |  |  | — |  |  |  | 5,685 |  |  |  | 5,665 |  |  |  | — |
Subtotal |  | $ | 41,315 |  |  | $ | 35,540 |  |  | $ | — |  |  | $ | 77,605 |  |  | $ | 65,315 |  |  | $ | — |
With allocated allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 8,769 |  |  | $ | 8,739 |  |  | $ | 2,543 |  |  | $ | 6,653 |  |  | $ | 6,570 |  |  | $ | 1,837 |
Commercial mortgage loans |  |  | 26,117 |  |  |  | 26,040 |  |  |  | 473 |  |  |  | 27,099 |  |  |  | 27,063 |  |  |  | 877 |
Residential mortgage and equity lines |  |  | 6,740 |  |  |  | 5,540 |  |  |  | 220 |  |  |  | 8,934 |  |  |  | 7,938 |  |  |  | 1,088 |
Subtotal |  | $ | 41,626 |  |  | $ | 40,319 |  |  | $ | 3,236 |  |  | $ | 42,686 |  |  | $ | 41,571 |  |  | $ | 3,802 |
Total impaired loans |  | $ | 82,941 |  |  | $ | 75,859 |  |  | $ | 3,236 |  |  | $ | 120,291 |  |  | $ | 106,886 |  |  | $ | 3,802 |
Impaired Financing Receivables [Table Text Block] |
|  | For the year ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |  |  | 2019 |  |  | 2018 |  |  | 2017 |
|  | Average Recorded Investment |  |  | Interest Income Recognized |
|  | (In thousands) |
Commercial loans |  | $ | 37,475 |  |  | $ | 44,486 |  |  | $ | 26,957 |  |  | $ | 412 |  |  | $ | 685 |  |  | $ | 1,303 |
Real estate construction loans |  |  | 4,697 |  |  |  | 6,835 |  |  |  | 26,695 |  |  |  | — |  |  |  | — |  |  |  | — |
Commercial mortgage loans |  |  | 47,612 |  |  |  | 57,596 |  |  |  | 58,635 |  |  |  | 1,366 |  |  |  | 2,125 |  |  |  | 1,618 |
Residential mortgage and equity lines |  |  | 12,799 |  |  |  | 13,679 |  |  |  | 14,780 |  |  |  | 306 |  |  |  | 356 |  |  |  | 381 |
Subtotal |  | $ | 102,583 |  |  | $ | 122,596 |  |  | $ | 127,067 |  |  | $ | 2,084 |  |  | $ | 3,166 |  |  | $ | 3,302 |
Financing Receivable, Nonaccrual [Table Text Block] |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | (In thousands) |
Non-accrual portfolio loans |  | $ | 40,523 |  |  | $ | 41,815 |  |  | $ | 48,787 |
Non-accrual loans held-for-sale |  |  | — |  |  |  | — |  |  |  | 8,000 |
Total non-accrual loans |  | $ | 40,523 |  |  | $ | 41,815 |  |  | $ | 56,787 |
Contractual interest due |  | $ | 1,775 |  |  | $ | 1,618 |  |  | $ | 3,254 |
Interest recognized |  |  | 85 |  |  |  | 66 |  |  |  | 86 |
Net interest foregone |  | $ | 1,690 |  |  | $ | 1,552 |  |  | $ | 3,168 |
Financing Receivable, Past Due [Table Text Block] |
|  | As of December 31, 2019 |
|  | 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) |
Type of Loans: |  |  |
Commercial loans |  | $ | 24,681 |  |  | $ | 9,954 |  |  | $ | 6,409 |  |  | $ | 19,381 |  |  | $ | 60,425 |  |  | $ | 2,718,319 |  |  | $ | 2,778,744 |
Real estate construction loans |  |  | 5,846 |  |  |  | 6,753 |  |  |  | — |  |  |  | 4,580 |  |  |  | 17,179 |  |  |  | 562,685 |  |  |  | 579,864 |
Commercial mortgage loans |  |  | 7,694 |  |  |  | 2,609 |  |  |  | — |  |  |  | 9,928 |  |  |  | 20,231 |  |  |  | 7,255,031 |  |  |  | 7,275,262 |
Residential mortgage loans |  |  | 26,028 |  |  |  | 965 |  |  |  | — |  |  |  | 6,634 |  |  |  | 33,627 |  |  |  | 4,402,934 |  |  |  | 4,436,561 |
Installment and other loans |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5,050 |  |  |  | 5,050 |
Total loans |  | $ | 64,249 |  |  | $ | 20,281 |  |  | $ | 6,409 |  |  | $ | 40,523 |  |  | $ | 131,462 |  |  | $ | 14,944,019 |  |  | $ | 15,075,481 |
|  | As of December 31, 2018 |
|  | 30-59 Days Past Due |  |  | 60-89 Days Pas t Due |  |  | 90 Days or More Past Due |  |  | Non-accrual Loans |  |  | Total Past Due |  |  | Loans Not Past Due |  |  | Total |
|  | (In thousands) |
Type of Loans: |  |  |
Commercial loans |  | $ | 25,494 |  |  | $ | 2,454 |  |  | $ | 514 |  |  | $ | 18,805 |  |  | $ | 47,267 |  |  | $ | 2,694,698 |  |  | $ | 2,741,965 |
Real estate construction loans |  |  | — |  |  |  | 3,156 |  |  |  | — |  |  |  | 4,872 |  |  |  | 8,028 |  |  |  | 573,426 |  |  |  | 581,454 |
Commercial mortgage loans |  |  | 10,797 |  |  |  | 8,545 |  |  |  | 3,259 |  |  |  | 10,611 |  |  |  | 33,212 |  |  |  | 6,690,988 |  |  |  | 6,724,200 |
Residential mortgage loans |  |  | 9,687 |  |  |  | 336 |  |  |  | — |  |  |  | 7,527 |  |  |  | 17,550 |  |  |  | 3,926,270 |  |  |  | 3,943,820 |
Installment and other loans |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,349 |  |  |  | 4,349 |
Total loans |  | $ | 45,978 |  |  | $ | 14,491 |  |  | $ | 3,773 |  |  | $ | 41,815 |  |  | $ | 106,057 |  |  | $ | 13,889,731 |  |  | $ | 13,995,788 |
Schedule Of Troubled Debt Restructurings [Table Text Block] |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Specific Reserve |  |  | Charge-offs |
|  | (Dollars in thousands) |
Commercial loans |  |  | 23 |  |  | $ | 25,937 |  |  | $ | 21,874 |  |  | $ | 2,190 |  |  | $ | 4,063 |
Residential mortgage and equity lines |  |  | 1 |  |  |  | 42 |  |  |  | 42 |  |  |  | — |  |  |  | — |
Total |  |  | 24 |  |  | $ | 25,979 |  |  | $ | 21,916 |  |  | $ | 2,190 |  |  | $ | 4,063 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Specific Reserve |  |  | Charge-offs |
|  | (Dollars in thousands) |
Commercial loans |  |  | 23 |  |  | $ | 13,290 |  |  | $ | 13,290 |  |  | $ | 1,384 |  |  | $ | — |
Commercial mortgage loans |  |  | 7 |  |  |  | 14,626 |  |  |  | 14,626 |  |  |  | 111 |  |  |  | — |
Residential mortgage and equity lines |  |  | 4 |  |  |  | 1,214 |  |  |  | 1,214 |  |  |  | 23 |  |  |  | — |
Total |  |  | 34 |  |  | $ | 29,130 |  |  | $ | 29,130 |  |  | $ | 1,518 |  |  | $ | — |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Specific Reserve |  |  | Charge-off |
|  | (Dollars in thousands) |
Commercial loans |  |  | 16 |  |  | $ | 29,590 |  |  | $ | 29,590 |  |  | $ | 7 |  |  | $ | — |
Real estate construction loans |  |  | 2 |  |  |  | 27,683 |  |  |  | 27,683 |  |  |  | — |  |  |  | — |
Commercial mortgage loans |  |  | 9 |  |  |  | 19,380 |  |  |  | 19,075 |  |  |  | 1,496 |  |  |  | 305 |
Residential mortgage and equity lines |  |  | 4 |  |  |  | 1,088 |  |  |  | 1,088 |  |  |  | 53 |  |  |  | — |
Total |  |  | 31 |  |  | $ | 77,741 |  |  | $ | 77,436 |  |  | $ | 1,556 |  |  | $ | 305 |
Financing Receivable, Troubled Debt Restructuring [Table Text Block] |
|  | December 31, 2019 |
Accruing TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 5,215 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,215 |
Commercial mortgage loans |  |  | 615 |  |  |  | 5,748 |  |  |  | 18,779 |  |  |  | 25,142 |
Residential mortgage loans |  |  | 2,525 |  |  |  | 311 |  |  |  | 2,143 |  |  |  | 4,979 |
Total accruing TDRs |  | $ | 8,355 |  |  | $ | 6,059 |  |  | $ | 20,922 |  |  | $ | 35,336 |
|  | December 31, 2018 |
Accruing TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 18,135 |  |  | $ | — |  |  | $ | — |  |  | $ | 18,135 |
Commercial mortgage loans |  |  | 14,022 |  |  |  | 7,420 |  |  |  | 19,418 |  |  |  | 40,860 |
Residential mortgage loans |  |  | 3,353 |  |  |  | 327 |  |  |  | 2,396 |  |  |  | 6,076 |
Total accruing TDRs |  | $ | 35,510 |  |  | $ | 7,747 |  |  | $ | 21,814 |  |  | $ | 65,071 |
Non Accrual Troubled Debt Restructurings [Table Text Block] |
|  | December 31, 2019 |
Non-accrual TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 16,692 |  |  | $ | — |  |  | $ | — |  |  | $ | 16,692 |
Residential mortgage loans |  |  | 1,220 |  |  |  | — |  |  |  | 136 |  |  |  | 1,356 |
Total non-accrual TDRs |  | $ | 17,912 |  |  | $ | — |  |  | $ | 136 |  |  | $ | 18,048 |
|  | December 31, 2018 |
Non-accrual TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 13,771 |  |  | $ | — |  |  | $ | — |  |  | $ | 13,771 |
Commercial mortgage loans |  |  | 3,682 |  |  |  | — |  |  |  | 4,884 |  |  |  | 8,566 |
Residential mortgage loans |  |  | 1,741 |  |  |  | — |  |  |  | 111 |  |  |  | 1,852 |
Total non-accrual TDRs |  | $ | 19,194 |  |  | $ | — |  |  | $ | 4,995 |  |  | $ | 24,189 |
Activity Within The Troubled Debt Resturings [Table Text Block] |
Accruing TDRs |  | 2019 |  |  | 2018 |  |  | 2017 |
|  | (In thousands) |
Beginning balance |  | $ | 65,071 |  |  | $ | 68,565 |  |  | $ | 65,393 |
New restructurings |  |  | 15,432 |  |  |  | 26,114 |  |  |  | 73,426 |
Restructured loans restored to accrual status |  |  | 365 |  |  |  | 2,896 |  |  |  | — |
Charge-offs |  |  | (1,341 | ) |  |  | — |  |  |  | — |
Payments |  |  | (42,895 | ) |  |  | (30,406 | ) |  |  | (54,095 | )
Restructured loans placed on non-accrual |  |  | (1,296 | ) |  |  | (2,098 | ) |  |  | (13,919 | )
Expiration of loan concession |  |  | — |  |  |  | — |  |  |  | (2,240 | )
Ending balance |  | $ | 35,336 |  |  | $ | 65,071 |  |  | $ | 68,565 |
Non-accrual TDRs |  | 2019 |  |  | 2018 |  |  | 2017 |
|  | (In thousands) |
Beginning balance |  | $ | 24,189 |  |  | $ | 33,416 |  |  | $ | 29,722 |
New restructurings |  |  | 10,547 |  |  |  | 3,015 |  |  |  | 4,009 |
Restructured loans placed on non-accrual |  |  | 1,296 |  |  |  | 2,098 |  |  |  | 13,919 |
Charge-offs |  |  | (3,607 | ) |  |  | (2,347 | ) |  |  | (1,650 | )
Payments |  |  | (14,012 | ) |  |  | (9,097 | ) |  |  | (11,341 | )
Foreclosures |  |  | — |  |  |  | — |  |  |  | (1,243 | )
Restructured loans restored to accrual status |  |  | (365 | ) |  |  | (2,896 | ) |  |  | — |
Ending balance |  | $ | 18,048 |  |  | $ | 24,189 |  |  | $ | 33,416 |
Financing Receivable Credit Quality Indicators [Table Text Block] |
|  | As of December 31, 2019 |
|  | Pass/Watch |  |  | Special Mention |  |  | Substandard |  |  | Doubtful |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 2,528,944 |  |  | $ | 166,016 |  |  | $ | 83,784 |  |  | $ | — |  |  | $ | 2,778,744 |
Real estate construction loans |  |  | 461,597 |  |  |  | 113,687 |  |  |  | 4,580 |  |  |  | — |  |  |  | 579,864 |
Commercial mortgage loans |  |  | 6,992,933 |  |  |  | 196,454 |  |  |  | 85,875 |  |  |  | — |  |  |  | 7,275,262 |
Residential mortgage and equity lines |  |  | 4,427,205 |  |  |  | 914 |  |  |  | 8,442 |  |  |  | — |  |  |  | 4,436,561 |
Installment and other loans |  |  | 5,050 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5,050 |
Total gross loans |  | $ | 14,415,729 |  |  | $ | 477,071 |  |  | $ | 182,681 |  |  | $ | — |  |  | $ | 15,075,481 |
|  | As of December 31, 2018 |
|  | Pass/Watch |  |  | Special Mention |  |  | Substandard |  |  | Doubtful |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 2,603,901 |  |  | $ | 87,987 |  |  | $ | 50,077 |  |  | $ | — |  |  | $ | 2,741,965 |
Real estate construction loans |  |  | 514,406 |  |  |  | 62,175 |  |  |  | 4,873 |  |  |  | — |  |  |  | 581,454 |
Commercial mortgage loans |  |  | 6,337,368 |  |  |  | 304,791 |  |  |  | 82,041 |  |  |  | — |  |  |  | 6,724,200 |
Residential mortgage and equity lines |  |  | 3,934,762 |  |  |  | — |  |  |  | 9,058 |  |  |  | — |  |  |  | 3,943,820 |
Installment and other loans |  |  | 4,349 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,349 |
Total gross loans |  | $ | 13,394,786 |  |  | $ | 454,953 |  |  | $ | 146,049 |  |  | $ | — |  |  | $ | 13,995,788 |
Financing Receivable, Allowance for Credit Loss [Table Text Block] |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Residential |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | Mortgage |  |  | and Other |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | and Equity Lines |  |  | Loans |  |  | Total |
|  | (In thousands) |
2018 Beginning Balance |  | $ | 49,796 |  |  | $ | 24,838 |  |  | $ | 37,610 |  |  | $ | 11,013 |  |  | $ | 22 |  |  | $ | 123,279 |
Provision/(reversal) for loan losses |  |  | 3,936 |  |  |  | (5,389 | ) |  |  | (6,289 | ) |  |  | 3,246 |  |  |  | (4 | ) |  |  | (4,500 | )
Charge-offs |  |  | (629 | ) |  |  | — |  |  |  | (2,348 | ) |  |  | (229 | ) |  |  | — |  |  |  | (3,206 | )
Recoveries |  |  | 1,875 |  |  |  | 177 |  |  |  | 4,514 |  |  |  | 252 |  |  |  | — |  |  |  | 6,818 |
Net Recoveries |  |  | 1,246 |  |  |  | 177 |  |  |  | 2,166 |  |  |  | 23 |  |  |  | — |  |  |  | 3,612 |
2018 Ending Balance |  | $ | 54,978 |  |  | $ | 19,626 |  |  | $ | 33,487 |  |  | $ | 14,282 |  |  | $ | 18 |  |  | $ | 122,391 |
Reserve for impaired loans |  | $ | 1,837 |  |  | $ | — |  |  | $ | 877 |  |  | $ | 1,088 |  |  | $ | — |  |  | $ | 3,802 |
Reserve for non-impaired loans |  | $ | 53,141 |  |  | $ | 19,626 |  |  | $ | 32,610 |  |  | $ | 13,194 |  |  | $ | 18 |  |  | $ | 118,589 |
Reserve for off-balance sheet credit commitments |  | $ | 1,161 |  |  | $ | 745 |  |  | $ | 95 |  |  | $ | 246 |  |  | $ | 3 |  |  | $ | 2,250 |
2019 Beginning Balance |  | $ | 54,978 |  |  | $ | 19,626 |  |  | $ | 33,487 |  |  | $ | 14,282 |  |  | $ | 18 |  |  | $ | 122,391 |
Provision/(reversal) for loan losses |  |  | 4,885 |  |  |  | (4,764 | ) |  |  | (5,216 | ) |  |  | (1,906 | ) |  |  | 1 |  |  |  | (7,000 | )
Charge-offs |  |  | (6,997 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (6,997 | )
Recoveries |  |  | 4,155 |  |  |  | 4,612 |  |  |  | 5,331 |  |  |  | 732 |  |  |  | — |  |  |  | 14,830 |
Net (Charge-offs)/Recoveries |  |  | (2,842 | ) |  |  | 4,612 |  |  |  | 5,331 |  |  |  | 732 |  |  |  | — |  |  |  | 7,833 |
2019 Ending Balance |  | $ | 57,021 |  |  | $ | 19,474 |  |  | $ | 33,602 |  |  | $ | 13,108 |  |  | $ | 19 |  |  | $ | 123,224 |
Reserve for impaired loans |  | $ | 2,543 |  |  | $ | — |  |  | $ | 473 |  |  | $ | 220 |  |  | $ | — |  |  | $ | 3,236 |
Reserve for non-impaired loans |  | $ | 54,478 |  |  | $ | 19,474 |  |  | $ | 33,129 |  |  | $ | 12,888 |  |  | $ | 19 |  |  | $ | 119,988 |
Reserve for off-balance sheet credit commitments |  | $ | 2,301 |  |  | $ | 1,047 |  |  | $ | 193 |  |  | $ | 311 |  |  | $ | 3 |  |  | $ | 3,855 |
Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] |
|  | For the year ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | (In thousands) |
Allowance for Loan Losses |  |  |
Balance at beginning of year |  | $ | 122,391 |  |  | $ | 123,279 |  |  | $ | 118,966 |
Reversal for credit losses |  |  | (7,000 | ) |  |  | (4,500 | ) |  |  | (2,500 | )
Loans charged off |  |  | (6,997 | ) |  |  | (3,206 | ) |  |  | (4,173 | )
Recoveries of charged off loans |  |  | 14,830 |  |  |  | 6,818 |  |  |  | 10,986 |
Balance at end of year |  | $ | 123,224 |  |  | $ | 122,391 |  |  | $ | 123,279 |
Reserve for Off-balance Sheet Credit Commitments |  |  |  |  |  |  |  |  |
Balance at beginning of year |  | $ | 2,250 |  |  | $ | 4,588 |  |  | $ | 3,224 |
Provision/(reversal) for credit losses and transfers |  |  | 1,605 |  |  |  | (2,338 | ) |  |  | 1,364 |
Balance at end of year |  | $ | 3,855 |  |  | $ | 2,250 |  |  | $ | 4,588 |
Impairment Method [Member] |
Notes Tables |
Impaired Financing Receivables [Table Text Block] |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Residential |  |  |  |  |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | Mortgage |  |  | Consumer |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | and Equity Lines |  |  | and Other |  |  | Total |
|  | (In thousands) |
December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 2,543 |  |  | $ | — |  |  | $ | 473 |  |  | $ | 220 |  |  | $ | — |  |  | $ | 3,236 |
Balance |  | $ | 24,596 |  |  | $ | 4,580 |  |  | $ | 35,070 |  |  | $ | 11,613 |  |  | $ | — |  |  | $ | 75,859 |
Loans collectively evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 54,478 |  |  | $ | 19,474 |  |  | $ | 33,129 |  |  | $ | 12,888 |  |  | $ | 19 |  |  | $ | 119,988 |
Balance |  | $ | 2,754,148 |  |  | $ | 575,284 |  |  | $ | 7,240,192 |  |  | $ | 4,424,948 |  |  | $ | 5,050 |  |  | $ | 14,999,622 |
Total allowance |  | $ | 57,021 |  |  | $ | 19,474 |  |  | $ | 33,602 |  |  | $ | 13,108 |  |  | $ | 19 |  |  | $ | 123,224 |
Total balance |  | $ | 2,778,744 |  |  | $ | 579,864 |  |  | $ | 7,275,262 |  |  | $ | 4,436,561 |  |  | $ | 5,050 |  |  | $ | 15,075,481 |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 1,837 |  |  | $ | — |  |  | $ | 877 |  |  | $ | 1,088 |  |  | $ | — |  |  | $ | 3,802 |
Balance |  | $ | 36,940 |  |  | $ | 4,873 |  |  | $ | 51,471 |  |  | $ | 13,602 |  |  | $ | — |  |  | $ | 106,886 |
Loans collectively evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 53,141 |  |  | $ | 19,626 |  |  | $ | 32,610 |  |  | $ | 13,194 |  |  | $ | 18 |  |  | $ | 118,589 |
Balance |  | $ | 2,705,025 |  |  | $ | 576,581 |  |  | $ | 6,672,729 |  |  | $ | 3,930,218 |  |  | $ | 4,349 |  |  | $ | 13,888,902 |
Total allowance |  | $ | 54,978 |  |  | $ | 19,626 |  |  | $ | 33,487 |  |  | $ | 14,282 |  |  | $ | 18 |  |  | $ | 122,391 |
Total balance |  | $ | 2,741,965 |  |  | $ | 581,454 |  |  | $ | 6,724,200 |  |  | $ | 3,943,820 |  |  | $ | 4,349 |  |  | $ | 13,995,788 |

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