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Securities (Tables) | 6 Months Ended
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Jun. 30, 2020
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-For-Sale Securities Reconciliation | The amortized cost, gross unrealized gains and losses and fair value of securities available-for-sale are summarized as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
June 30, 2020: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 31,337 | ​ | $ | 82 | ​ | $ | (8) | ​ | $ | 31,411
Municipal securities | ​ |  | 86,469 | ​ |  | 1,716 | ​ |  | (16) | ​ |  | 88,169
Other debt securities | ​ |  | 9,463 | ​ |  | 38 | ​ |  | (44) | ​ |  | 9,457
Mortgage-backed securities (GSEs) | ​ |  | 88,913 | ​ |  | 2,034 | ​ |  | (353) | ​ |  | 90,594
Total | ​ | $ | 216,182 | ​ | $ | 3,870 | ​ | $ | (421) | ​ | $ | 219,631
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2019: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 19,015 | ​ | $ | 41 | ​ | $ | (56) | ​ | $ | 19,000
Municipal securities | ​ |  | 63,792 | ​ |  | 618 | ​ |  | (19) | ​ |  | 64,391
Other debt securities | ​ |  | 3,481 | ​ |  | 22 | ​ |  | (33) | ​ |  | 3,470
Mortgage-backed securities (GSEs) | ​ |  | 91,531 | ​ |  | 382 | ​ |  | (426) | ​ |  | 91,487
Total | ​ | $ | 177,819 | ​ | $ | 1,063 | ​ | $ | (534) | ​ | $ | 178,348
​
Proceeds from sale of securities available for sale, gains losses and proceeds from redemption | Proceeds from sale of securities available for sale, gross gains and gross losses on sales and redemptions for the three and six months ended June 30, 2020 and 2019 were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | ​ | Six Months Ended
​ | ​ | June 30, |  | ​ | June 30,
​ | ​ | 2020 |  | 2019 |  | ​ | 2020 |  | 2019
Proceeds from sales | ​ | $ | 4,760 | ​ | $ | 13,342 | ​ | ​ | $ | 6,875 | ​ | $ | 16,515
Gross gains | ​ | $ | 16 | ​ | $ | 34 | ​ | ​ | $ | 16 | ​ | $ | 34
Gross losses | ​ | $ | - | ​ | $ | (1) | ​ | ​ | $ | - | ​ | $ | (1)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Proceeds from redemptions | ​ | $ | 12,200 | ​ | $ | 5,000 | ​ | ​ | $ | 15,450 | ​ | $ | 10,305
Investments Classified by Contractual Maturity Date | The amortized cost and estimated fair value of securities at June 30, 2020, by contractual maturity for non-mortgage backed securities are shown below (in thousands). Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amortized |  | Fair
​ | ​ | Cost | ​ | Value
Due in one year or less | ​ | $ | 440 | ​ | $ | 443
Due from one year to five years | ​ |  | 3,874 | ​ |  | 3,872
Due from five years to ten years | ​ |  | 32,291 | ​ |  | 32,540
Due after ten years | ​ |  | 90,664 | ​ |  | 92,182
​ | ​ |  | 127,269 | ​ |  | 129,037
Mortgage-backed securities | ​ |  | 88,913 | ​ |  | 90,594
Total | ​ | $ | 216,182 | ​ | $ | 219,631
​
Schedule of Unrealized Loss on Investments | The following tables present the gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities available-for-sale have been in a continuous unrealized loss position (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross |  | ​ | ​ |  | Gross |  | ​ | ​ |  | Gross
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
​ | ​ | Value | ​ | Losses | ​ | Value | ​ | Losses | ​ | Value | ​ | Losses
June 30, 2020: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 6,583 | ​ | $ | (8) | ​ | $ | — | ​ | $ | — | ​ | $ | 6,583 | ​ | $ | (8)
Municipal securities | ​ |  | 3,546 | ​ |  | (16) | ​ |  | — | ​ |  | — | ​ |  | 3,546 | ​ |  | (16)
Other debt securities | ​ |  | 1,966 | ​ |  | (14) | ​ |  | 953 | ​ |  | (30) | ​ |  | 2,919 | ​ |  | (44)
Mortgage-backed securities (GSEs) | ​ |  | 14,209 | ​ |  | (143) | ​ |  | 11,222 | ​ |  | (210) | ​ |  | 25,431 | ​ |  | (353)
Total | ​ | $ | 26,304 | ​ | $ | (181) | ​ | $ | 12,175 | ​ | $ | (240) | ​ | $ | 38,479 | ​ | $ | (421)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2019: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 2,972 | ​ | $ | (43) | ​ | $ | 5,987 | ​ | $ | (13) | ​ | $ | 8,959 | ​ | $ | (56)
Municipal securities | ​ |  | 3,656 | ​ |  | (16) | ​ |  | 527 | ​ |  | (3) | ​ |  | 4,183 | ​ |  | (19)
Other debt securities | ​ |  | — | ​ |  | — | ​ |  | 947 | ​ |  | (33) | ​ |  | 947 | ​ |  | (33)
Mortgage-backed securities (GSEs) | ​ |  | 13,208 | ​ |  | (194) | ​ |  | 19,988 | ​ |  | (232) | ​ |  | 33,196 | ​ |  | (426)
Total | ​ | $ | 19,836 | ​ | $ | (253) | ​ | $ | 27,449 | ​ | $ | (281) | ​ | $ | 47,285 | ​ | $ | (534)
​
Schedule of Temporarily Impaired Securities | At June 30, 2020, the categories of temporarily impaired securities in an unrealized loss position twelve months or greater are as follows (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | Gross |  | ​
​ | ​ | Unrealized | ​ | Number of
​ | ​ | Loss | ​ | Securities
U.S. Government- sponsored enterprises (GSEs) | ​ | $ | — |  | —
Municipal securities | ​ |  | — |  | —
Other debt securities | ​ |  | (30) |  | 1
Mortgage-backed securities (GSEs) | ​ |  | (210) |  | 10
Total | ​ | $ | (240) |  | 11
​
Schedule of Other Investments | The following is the amortized cost and carrying value of other investments (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ |  | 2020 |  | 2019
Federal Reserve Bank stock | ​ | $ | 8,641 |  | $ | 7,917
Federal Home Loan Bank stock | ​ |  | 5,838 |  | ​ | 4,646
First National Bankers Bank stock | ​ |  | 350 |  | ​ | 350
Total | ​ | $ | 14,829 | ​ | $ | 12,913
​

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