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v3.20.4

Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Notes Tables |
Debt Securities, Held-to-maturity [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | Allowance
​ | ​ | Amortized | ​ | ​ | ​ | ​ | Unrecognized | ​ | Unrecognized | ​ | for Credit
​ |  | Cost |  | Fair Value |  | Gains | ​ | Losses |  | Losses
​ | ​ | (In thousands)
Securities held-to-maturity: |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |
Municipals | ​ | $ | 50,825 | ​ | $ | 54,538 | ​ | $ | 3,713 | ​ | $ | — | ​ | $ | (907)
Total municipals | ​ |  | 50,825 | ​ |  | 54,538 | ​ |  | 3,713 | ​ |  | — | ​ |  | (907)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
FNMA | ​ |  | 7,914 | ​ |  | 8,991 | ​ |  | 1,077 | ​ |  | — | ​ |  | —
Total mortgage-backed securities | ​ |  | 7,914 | ​ |  | 8,991 | ​ |  | 1,077 | ​ |  | — | ​ |  | —
Total | ​ | $ | 58,739 | ​ | $ | 63,529 | ​ | $ | 4,790 | ​ | $ | — | ​ | $ | (907)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | Allowance
​ | ​ | Amortized | ​ | ​ | ​ | ​ | Unrecognized | ​ | Unrecognized | ​ | for Credit
​ |  | Cost |  | Fair Value |  | Gains | ​ | Losses |  | 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)
U.S. government agencies | ​ | $ | 6,452 | ​ | $ | 6,453 | ​ | $ | 2 | ​ | $ | 1
Corporate | ​ | ​ | 130,000 | ​ | ​ | 123,865 | ​ | ​ | 131 | ​ | ​ | 6,266
Mutual funds | ​ |  | 12,703 | ​ |  | 12,703 | ​ |  | — | ​ |  | —
Collateralized loan obligations | ​ |  | 100,561 | ​ |  | 99,198 | ​ |  | — | ​ |  | 1,363
Other | ​ |  | 1,295 | ​ |  | 1,295 | ​ |  | — | ​ |  | —
Total other securities | ​ |  | 251,011 | ​ |  | 243,514 | ​ |  | 133 | ​ |  | 7,630
REMIC and CMO | ​ |  | 175,142 | ​ |  | 180,877 | ​ |  | 5,735 | ​ |  | —
GNMA | ​ |  | 13,009 | ​ |  | 13,053 | ​ |  | 66 | ​ |  | 22
FNMA | ​ |  | 143,154 | ​ |  | 146,169 | ​ |  | 3,046 | ​ |  | 31
FHLMC | ​ |  | 63,796 | ​ |  | 64,361 | ​ |  | 648 | ​ |  | 83
Total mortgage-backed securities | ​ |  | 395,101 | ​ |  | 404,460 | ​ |  | 9,495 | ​ |  | 136
Total securities available for sale | ​ | $ | 646,112 | ​ | $ | 647,974 | ​ | $ | 9,628 | ​ | $ | 7,766
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 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
Investments Classified by Contractual Maturity Date [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amortized | ​ | ​ | ​
​ |  | Cost |  | Fair Value
​ |  | (In thousands)
Due after ten years | ​ | $ | 50,825 | ​ | $ | 54,538
Total other securities | ​ | ​ | 50,825 | ​ | ​ | 54,538
Mortgage-backed securities | ​ | ​ | 7,914 | ​ | ​ | 8,991
Total securities held-to-maturity |  | $ | 58,739 |  | $ | 63,529
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Amortized | ​ | ​ | ​
​ |  | Cost |  | Fair Value
​ | ​ | (In thousands)
Due after one year through five years | ​ | $ | 45,000 | ​ | $ | 43,738
Due after five years through ten years | ​ |  | 138,730 | ​ |  | 133,201
Due after ten years | ​ | ​ | 54,578 | ​ | ​ | 53,872
Total other securities | ​ |  | 238,308 | ​ |  | 230,811
Mutual funds | ​ |  | 12,703 | ​ |  | 12,703
Mortgage-backed securities | ​ |  | 395,101 | ​ |  | 404,460
Total securities available for sale | ​ | $ | 646,112 | ​ | $ | 647,974
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 |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
U.S. government agencies |  | 1 | ​ | $ | 4,988 | ​ | $ | 1 | ​ | $ | 4,988 | ​ | $ | 1 | ​ | $ | — | ​ | $ | —
Corporate |  | 14 | ​ |  | 113,734 | ​ |  | 6,266 | ​ |  | — | ​ |  | — | ​ |  | 113,734 | ​ |  | 6,266
CLO |  | 13 | ​ |  | 99,199 | ​ |  | 1,363 | ​ |  | 7,441 | ​ |  | 52 | ​ |  | 91,758 | ​ |  | 1,311
Total other securities |  | 28 | ​ |  | 217,921 | ​ |  | 7,630 | ​ |  | 12,429 | ​ |  | 53 | ​ |  | 205,492 | ​ |  | 7,577
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
GNMA |  | 1 | ​ |  | 10,341 | ​ |  | 22 | ​ |  | 10,341 | ​ |  | 22 | ​ |  | — | ​ |  | —
FNMA |  | 5 | ​ |  | 32,463 | ​ |  | 31 | ​ |  | 23,864 | ​ |  | 28 | ​ |  | 8,599 | ​ |  | 3
FHLMC |  | 3 | ​ |  | 30,095 | ​ |  | 83 | ​ |  | 30,095 | ​ |  | 83 | ​ |  | — | ​ |  | —
Total mortgage-backed securities |  | 9 | ​ |  | 72,899 | ​ |  | 136 | ​ |  | 64,300 | ​ |  | 133 | ​ |  | 8,599 | ​ |  | 3
Total securities available for sale |  | 37 | ​ | $ | 290,820 | ​ | $ | 7,766 | ​ | $ | 76,729 | ​ | $ | 186 | ​ | $ | 214,091 | ​ | $ | 7,580
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | 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
Schedule of allowance for credit losses for debt securities held-to-maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Mortgage-backed securities | ​ | Other securities
​ | ​ | (In thousands)
Beginning balance | ​ | $ | — | ​ | $ | —
CECL adoption | ​ | ​ | — | ​ | ​ | 340
Provision | ​ | ​ | — | ​ | ​ | 567
Allowance for credit losses - securities | ​ | $ | — | ​ | $ | 907
Schedule of Realized Gain (Loss) [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the years ended
​ | ​ | December 31,
​ |  | 2020 |  | 2019 |  | 2018
​ | ​ | (In thousands)
Gross gains from the sale of securities | ​ | $ | 1,499 | ​ | $ | 423 | ​ | $ | 105
Gross losses from the sale of securities | ​ |  | (2,200) | ​ |  | (438) | ​ |  | (2,025)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net losses from the sale of securities | ​ | $ | (701) | ​ | $ | (15) | ​ | $ | (1,920)

X
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