Note 11 - Fair Value Measurements (Tables)
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12 Months Ended |
Dec. 31, 2021 |
Notes Tables |
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Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
| | At December 31, 2021 | |
| | Fair Value | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Significant Unobservable Inputs (Level 3) (1) | |
| | (In thousands) | |
Debt securities available for sale | | | | | | | | | | | | | | | | |
Agency residential mortgage-backed securities (MBS) | | $ | 411,726 | | | $ | - | | | $ | 411,726 | | | $ | - | |
Securities of U.S. Government entities | | | 119 | | | | - | | | | 119 | | | | - | |
Obligations of states and political subdivisions | | | 93,920 | | | | - | | | | 93,920 | | | | - | |
Corporate securities | | | 2,746,735 | | | | - | | | | 2,746,735 | | | | - | |
Collateralized loan obligations | | | 1,386,355 | | | | - | | | | 1,386,355 | | | | - | |
Total debt securities available for sale | | $ | 4,638,855 | | | $ | - | | | $ | 4,638,855 | | | $ | - | |
| | At December 31, 2020 | |
| | Fair Value | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Significant Unobservable Inputs (Level 3) (1) | |
| | (In thousands) | |
Debt securities available for sale | | | | | | | | | | | | | | | | |
Agency residential MBS | | $ | 652,952 | | | $ | - | | | $ | 652,952 | | | $ | - | |
Securities of U.S. Government entities | | | 154 | | | | - | | | | 154 | | | | - | |
Obligations of states and political subdivisions | | | 111,010 | | | | - | | | | 111,010 | | | | - | |
Corporate securities | | | 2,117,978 | | | | - | | | | 2,117,978 | | | | - | |
Commercial paper | | | 24,990 | | | | - | | | | 24,990 | | | | - | |
Collateralized loan obligations | | | 1,156,101 | | | | - | | | | 1,156,101 | | | | - | |
Total debt securities available for sale | | $ | 4,063,185 | | | $ | - | | | $ | 4,063,185 | | | $ | - | |
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Fair Value Measurements, Nonrecurring [Table Text Block] |
| | | | | | | | | | | | | | | | | | For the | |
| | | | | | | | | | | | | | | | | | Year Ended | |
| | At December 31, 2021 | | | December 31, 2021 | |
| | Carrying Value | | | Level 1 | | | Level 2 | | | Level 3 | | | Total Losses | |
| | (In thousands) | |
Loans: | | | | | | | | | | | | | | | | | | | | |
Commercial real estate | | $ | 225 | | | $ | - | | | $ | - | | | $ | 225 | | | $ | - | |
Residential real estate | | | 172 | | | | - | | | | - | | | | 172 | | | | - | |
Total assets measured at fair value on a nonrecurring basis | | $ | 397 | | | $ | - | | | $ | - | | | $ | 397 | | | $ | - | |
| | | | | | | | | | | | | | | | | | For the | |
| | | | | | | | | | | | | | | | | | Year Ended | |
| | At December 31, 2020 | | | December 31, 2020 | |
| | Carrying Value | | | Level 1 | | | Level 2 | | | Level 3 | | | Total Losses | |
| | (In thousands) | |
Loans: | | | | | | | | | | | | | | | | | | | | |
Commercial | | $ | 5,270 | | | $ | - | | | $ | - | | | $ | 5,270 | | | $ | - | |
Commercial real estate | | | 3,710 | | | | - | | | | - | | | | 3,710 | | | | - | |
Residential real estate | | | 181 | | | | - | | | | - | | | | 181 | | | | - | |
Total assets measured at fair value on a nonrecurring basis | | $ | 9,161 | | | $ | - | | | $ | - | | | $ | 9,161 | | | $ | - | |
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Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | At December 31, 2021 | |
| | Carrying Amount | | | Estimated Fair Value | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2 ) | | | Significant Unobservable Inputs (Level 3 ) | |
Financial Assets: | | (In thousands) | |
Cash and due from banks | | $ | 1,132,085 | | | $ | 1,132,085 | | | $ | 1,132,085 | | | $ | - | | | $ | - | |
Debt securities held to maturity | | | 306,396 | | | | 312,562 | | | | - | | | | 312,562 | | | | - | |
Loans | | | 1,044,612 | | | | 1,059,072 | | | | - | | | | - | | | | 1,059,072 | |
| | | | | | | | | | | | | | | | | | | | |
Financial Liabilities: | | | | | | | | | | | | | | | | | | | | |
Deposits | | $ | 6,413,956 | | | $ | 6,413,244 | | | $ | - | | | $ | 6,270,344 | | | $ | 142,900 | |
Short-term borrowed funds | | | 146,246 | | | | 146,246 | | | | - | | | | 146,246 | | | | - | |
| | At December 31, 2020 | |
| | Carrying Amount | | | Estimated Fair Value | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2 ) | | | Significant Unobservable Inputs (Level 3 ) | |
Financial Assets: | | (In thousands) | |
Cash and due from banks | | $ | 621,275 | | | $ | 621,275 | | | $ | 621,275 | | | $ | - | | | $ | - | |
Debt securities held to maturity | | | 515,589 | | | | 529,678 | | | | - | | | | 529,678 | | | | - | |
Loans | | | 1,232,389 | | | | 1,290,938 | | | | - | | | | - | | | | 1,290,938 | |
| | | | | | | | | | | | | | | | | | | | |
Financial Liabilities: | | | | | | | | | | | | | | | | | | | | |
Deposits | | $ | 5,687,979 | | | $ | 5,688,049 | | | $ | - | | | $ | 5,531,590 | | | $ | 156,459 | |
Short-term borrowed funds | | | 102,545 | | | | 102,545 | | | | - | | | | 102,545 | | | | - | |
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