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v3.19.3.a.u2

Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Notes Tables |
Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross
​ | ​ | Amortized | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized
​ |  | Cost |  | Fair Value |  | Gains |  | Losses
​ | ​ | (In thousands)
Securities held-to-maturity: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Municipals | ​ | $ | 50,954 | ​ | $ | 53,998 | ​ | $ | 3,044 | ​ | $ | —
Total municipals | ​ |  | 50,954 | ​ |  | 53,998 | ​ |  | 3,044 | ​ |  | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
FNMA | ​ |  | 7,934 | ​ |  | 8,114 | ​ |  | 180 | ​ |  | —
Total mortgage-backed securities | ​ |  | 7,934 | ​ |  | 8,114 | ​ |  | 180 | ​ |  | —
Total | ​ | $ | 58,888 | ​ | $ | 62,112 | ​ | $ | 3,224 | ​ | $ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross
​ | ​ | Amortized | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized
​ |  | Cost |  | Fair Value |  | Gains |  | Losses
​ | ​ | (In thousands)
Securities held-to-maturity: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Municipals | ​ | $ | 24,065 | ​ | $ | 22,508 | ​ | $ | — | ​ | $ | 1,557
Total municipals | ​ |  | 24,065 | ​ |  | 22,508 | ​ |  | — | ​ |  | 1,557
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
FNMA | ​ |  | 7,953 | ​ |  | 7,366 | ​ |  | — | ​ |  | 587
Total mortgage-backed securities | ​ |  | 7,953 | ​ |  | 7,366 | ​ |  | — | ​ |  | 587
Total | ​ | $ | 32,018 | ​ | $ | 29,874 | ​ | $ | — | ​ | $ | 2,144
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross
​ | ​ | Amortized | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized
​ |  | Cost |  | Fair Value |  | Gains |  | Losses
​ | ​ | (In thousands)
Corporate | ​ | $ | 130,000 | ​ | $ | 123,050 | ​ | $ | — | ​ | $ | 6,950
Municipals | ​ |  | 12,797 | ​ |  | 12,916 | ​ |  | 119 | ​ |  | —
Mutual funds | ​ |  | 12,216 | ​ |  | 12,216 | ​ |  | — | ​ |  | —
Collateralized loan obligations | ​ |  | 100,349 | ​ |  | 99,137 | ​ |  | — | ​ |  | 1,212
Other | ​ |  | 1,332 | ​ |  | 1,332 | ​ |  | — | ​ |  | —
Total other securities | ​ |  | 256,694 | ​ |  | 248,651 | ​ |  | 119 | ​ |  | 8,162
REMIC and CMO | ​ |  | 348,236 | ​ |  | 348,989 | ​ |  | 2,193 | ​ |  | 1,440
GNMA | ​ |  | 653 | ​ |  | 704 | ​ |  | 51 | ​ |  | —
FNMA | ​ |  | 104,235 | ​ |  | 104,882 | ​ |  | 1,073 | ​ |  | 426
FHLMC | ​ |  | 68,476 | ​ |  | 69,274 | ​ |  | 871 | ​ |  | 73
Total mortgage-backed securities | ​ |  | 521,600 | ​ |  | 523,849 | ​ |  | 4,188 | ​ |  | 1,939
Total securities available for sale | ​ | $ | 778,294 | ​ | $ | 772,500 | ​ | $ | 4,307 | ​ | $ | 10,101
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross
​ | ​ | Amortized | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized
​ |  | Cost |  | Fair Value |  | Gains |  | Losses
​ | ​ | (In thousands)
Corporate | ​ | $ | 130,000 | ​ | $ | 118,535 | ​ | $ | — | ​ | $ | 11,465
Municipals | ​ |  | 46,231 | ​ |  | 46,574 | ​ |  | 343 | ​ |  | —
Mutual funds | ​ |  | 11,586 | ​ |  | 11,586 | ​ |  | — | ​ |  | —
Collateralized loan obligations | ​ |  | 88,396 | ​ |  | 86,751 | ​ |  | — | ​ |  | 1,645
Other | ​ |  | 1,256 | ​ |  | 1,256 | ​ |  | — | ​ |  | —
Total other securities | ​ |  | 277,469 | ​ |  | 264,702 | ​ |  | 343 | ​ |  | 13,110
REMIC and CMO | ​ |  | 382,632 | ​ |  | 376,340 | ​ |  | 885 | ​ |  | 7,177
GNMA | ​ |  | 785 | ​ |  | 826 | ​ |  | 41 | ​ |  | —
FNMA | ​ |  | 94,069 | ​ |  | 91,693 | ​ |  | 72 | ​ |  | 2,448
FHLMC | ​ |  | 90,377 | ​ |  | 89,094 | ​ |  | 113 | ​ |  | 1,396
Total mortgage-backed securities | ​ |  | 567,863 | ​ |  | 557,953 | ​ |  | 1,111 | ​ |  | 11,021
Total securities available for sale | ​ | $ | 845,332 | ​ | $ | 822,655 | ​ | $ | 1,454 | ​ | $ | 24,131
Investments Classified by Contractual Maturity Date [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amortized | ​ | ​ | ​
​ |  | Cost |  | Fair Value
​ |  | (In thousands)
Due in one year or less |  | $ | 180 |  | $ | 180
Due after ten years | ​ | ​ | 50,774 | ​ | ​ | 53,818
Total other securities | ​ | ​ | 50,954 | ​ | ​ | 53,998
Mortgage-backed securities | ​ | ​ | 7,934 | ​ | ​ | 8,114
Total securities held-to-maturity |  | $ | 58,888 |  | $ | 62,112
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Amortized | ​ | ​ | ​
​ |  | Cost |  | Fair Value
​ | ​ | (In thousands)
Due after one year through five years | ​ | $ | 10,000 | ​ | $ | 9,820
Due after five years through ten years | ​ |  | 137,918 | ​ |  | 131,051
Due after ten years | ​ | ​ | 96,560 | ​ | ​ | 95,564
Total other securities | ​ |  | 244,478 | ​ |  | 236,435
Mutual funds | ​ |  | 12,216 | ​ |  | 12,216
Mortgage-backed securities | ​ |  | 521,600 | ​ |  | 523,849
Total securities available for sale | ​ | $ | 778,294 | ​ | $ | 772,500
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Total | ​ | Less than 12 months | ​ | 12 months or more
​ | ​ | ​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized
​ |  | Count |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
​ | ​ | (Dollars in thousands)
Available for sale securities |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Corporate |  | 16 | ​ | $ | 123,050 | ​ | $ | 6,950 | ​ | $ | — | ​ | $ | — | ​ | $ | 123,050 | ​ | $ | 6,950
CLO |  | 13 | ​ |  | 99,137 | ​ |  | 1,212 | ​ |  | 25,451 | ​ |  | 108 | ​ |  | 73,686 | ​ |  | 1,104
Total other securities |  | 29 | ​ |  | 222,187 | ​ |  | 8,162 | ​ |  | 25,451 | ​ |  | 108 | ​ |  | 196,736 | ​ |  | 8,054
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
REMIC and CMO |  | 23 | ​ |  | 120,989 | ​ |  | 1,440 | ​ |  | 102,384 | ​ |  | 1,117 | ​ |  | 18,605 | ​ |  | 323
GNMA |  | 1 | ​ |  | 49 | ​ |  | — | ​ |  | 49 | ​ |  | — | ​ |  | — | ​ |  | —
FNMA |  | 8 | ​ |  | 67,618 | ​ |  | 426 | ​ |  | 19,073 | ​ |  | 138 | ​ |  | 48,545 | ​ |  | 288
FHLMC |  | 1 | ​ |  | 30,200 | ​ |  | 73 | ​ |  | — | ​ |  | — | ​ |  | 30,200 | ​ |  | 73
Total mortgage-backed securities |  | 33 | ​ |  | 218,856 | ​ |  | 1,939 | ​ |  | 121,506 | ​ |  | 1,255 | ​ |  | 97,350 | ​ |  | 684
Total securities available for sale |  | 62 | ​ | $ | 441,043 | ​ | $ | 10,101 | ​ | $ | 146,957 | ​ | $ | 1,363 | ​ | $ | 294,086 | ​ | $ | 8,738
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Total | ​ | Less than 12 months | ​ | 12 months or more
​ | ​ | ​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized
​ |  | Count |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
​ | ​ | (Dollars in thousands)
Held-to-maturity securities |  |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Municipals |  | 1 | ​ | $ | 19,940 | ​ | $ | 1,557 | ​ | $ | — | ​ | $ | — | ​ | $ | 19,940 | ​ | $ | 1,557
Total other securities |  | 1 | ​ |  | 19,940 | ​ |  | 1,557 | ​ |  | — | ​ |  | — | ​ |  | 19,940 | ​ |  | 1,557
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
FNMA |  | 1 | ​ |  | 7,366 | ​ |  | 587 | ​ |  | — | ​ |  | — | ​ |  | 7,366 | ​ |  | 587
Total mortgage-backed securities |  | 1 | ​ |  | 7,366 | ​ |  | 587 | ​ |  | — | ​ |  | — | ​ |  | 7,366 | ​ |  | 587
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total securities held-to-maturity |  | 2 | ​ | $ | 27,306 | ​ | $ | 2,144 | ​ | $ | — | ​ | $ | — | ​ | $ | 27,306 | ​ | $ | 2,144
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for sale securities |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Corporate |  | 16 | ​ | $ | 118,535 | ​ | $ | 11,465 | ​ | $ | 19,113 | ​ | $ | 888 | ​ | $ | 99,422 | ​ | $ | 10,577
Municipals |  | 3 | ​ |  | 4,220 | ​ |  | — | ​ |  | 4,220 | ​ |  | — | ​ |  | — | ​ |  | —
CLO |  | 11 | ​ |  | 86,752 | ​ |  | 1,645 | ​ |  | 86,752 | ​ |  | 1,645 | ​ |  | — | ​ |  | —
Total other securities |  | 30 | ​ |  | 209,507 | ​ |  | 13,110 | ​ |  | 110,085 | ​ |  | 2,533 | ​ |  | 99,422 | ​ |  | 10,577
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
REMIC and CMO |  | 39 | ​ |  | 243,756 | ​ |  | 7,177 | ​ |  | 17,308 | ​ |  | 200 | ​ |  | 226,448 | ​ |  | 6,977
GNMA |  | 1 | ​ |  | 51 | ​ |  | — | ​ |  | 51 | ​ |  | — | ​ |  | — | ​ |  | —
FNMA |  | 14 | ​ |  | 85,046 | ​ |  | 2,448 | ​ |  | 6,372 | ​ |  | 17 | ​ |  | 78,674 | ​ |  | 2,431
FHLMC |  | 3 | ​ |  | 51,288 | ​ |  | 1,396 | ​ |  | 10,116 | ​ |  | 95 | ​ |  | 41,172 | ​ |  | 1,301
Total mortgage-backed securities |  | 57 | ​ |  | 380,141 | ​ |  | 11,021 | ​ |  | 33,847 | ​ |  | 312 | ​ |  | 346,294 | ​ |  | 10,709
Total securities available for sale |  | 87 | ​ | $ | 589,648 | ​ | $ | 24,131 | ​ | $ | 143,932 | ​ | $ | 2,845 | ​ | $ | 445,716 | ​ | $ | 21,286
Schedule of Realized Gain (Loss) [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the years ended
​ | ​ | December 31,
​ |  | 2019 |  | 2018 |  | 2017
​ | ​ | (In thousands)
Gross gains from the sale of securities | ​ | $ | 423 | ​ | $ | 105 | ​ | $ | 401
Gross losses from the sale of securities | ​ |  | (438) | ​ |  | (2,025) | ​ |  | (587)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net (losses) gains from the sale of securities | ​ | $ | (15) | ​ | $ | (1,920) | ​ | $ | (186)

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