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Investments (Tables) | 12 Months Ended
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Dec. 31, 2021
Marketable Securities [Abstract] |
Schedule of amortized cost and estimated fair value of securities | The amortized cost and estimated fair value of fixed income securities as of December 31, 2021 and 2020 were as follows:
|  | December 31, 2021 |
|  | Cost or Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government and agencies |  | $ | 13,118 |  |  | $ | 467 |  |  | $ | (87 | ) |  | $ | 13,498 |
Obligations of states and political subdivisions |  |  | 84,668 |  |  |  | 2,979 |  |  |  | (353 | ) |  |  | 87,294 |
Corporate securities |  |  | 144,476 |  |  |  | 4,214 |  |  |  | (1,069 | ) |  |  | 147,621 |
Residential mortgage-backed securities |  |  | 26,190 |  |  |  | 266 |  |  |  | (300 | ) |  |  | 26,156 |
Commercial mortgage-backed securities |  |  | 32,878 |  |  |  | 815 |  |  |  | (161 | ) |  |  | 33,532 |
Asset-backed securities |  |  | 52,604 |  |  |  | 131 |  |  |  | (313 | ) |  |  | 52,422 |
Redeemable preferred stocks |  |  | 4,008 |  |  |  | 136 |  |  |  | (16 | ) |  |  | 4,128 |
Total fixed income securities |  | $ | 357,942 |  |  | $ | 9,008 |  |  | $ | (2,299 | ) |  | $ | 364,651 |
|  | December 31, 2020 |
|  | Cost or Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government and agencies |  | $ | 13,334 |  |  | $ | 1,055 |  |  | $ | (6 | ) |  | $ | 14,383 |
Obligations of states and political subdivisions |  |  | 61,001 |  |  |  | 3,278 |  |  |  | (35 | ) |  |  | 64,244 |
Corporate securities |  |  | 117,628 |  |  |  | 8,549 |  |  |  | (147 | ) |  |  | 126,030 |
Residential mortgage-backed securities |  |  | 35,017 |  |  |  | 1,478 |  |  |  | (1 | ) |  |  | 36,494 |
Commercial mortgage-backed securities |  |  | 23,976 |  |  |  | 1,700 |  |  |  | (21 | ) |  |  | 25,655 |
Asset-backed securities |  |  | 50,751 |  |  |  | 535 |  |  |  | (86 | ) |  |  | 51,200 |
Redeemable preferred stocks |  |  | 2,198 |  |  |  | 206 |  |  |  | - |  |  |  | 2,404 |
Total fixed income securities |  | $ | 303,905 |  |  | $ | 16,801 |  |  | $ | (296 | ) |  | $ | 320,410 |
Schedule of amortized cost and fair value of fixed income securities by contractual maturity | The amortized cost and estimated fair value of fixed income securities by contractual maturity are shown below. Actual maturities could differ from contractual maturities because issuers may have the right to call or prepay these securities.
|  | December 31, 2021 |
|  | Amortized Cost |  |  | Fair Value |
Due to mature: |  |  |  |  |  |  |  |
One year or less |  | $ | 14,457 |  |  | $ | 14,586 |
After one year through five years |  |  | 82,429 |  |  |  | 84,760 |
After five years through ten years |  |  | 82,270 |  |  |  | 84,173 |
After ten years |  |  | 63,106 |  |  |  | 64,894 |
Mortgage / asset-backed securities |  |  | 111,672 |  |  |  | 112,110 |
Redeemable preferred stocks |  |  | 4,008 |  |  |  | 4,128 |
Total fixed income securities |  | $ | 357,942 |  |  | $ | 364,651 |
|  | December 31, 2020 |
|  | Amortized Cost |  |  | Fair Value |
Due to mature: |  |  |  |  |  |  |  |
One year or less |  | $ | 17,722 |  |  | $ | 17,933 |
After one year through five years |  |  | 86,709 |  |  |  | 91,457 |
After five years through ten years |  |  | 59,408 |  |  |  | 64,987 |
After ten years |  |  | 28,124 |  |  |  | 30,280 |
Mortgage / asset-backed securities |  |  | 109,744 |  |  |  | 113,349 |
Redeemable preferred stocks |  |  | 2,198 |  |  |  | 2,404 |
Total fixed income securities |  | $ | 303,905 |  |  | $ | 320,410 |
Schedule of unrealized loss of securities | The investment category and duration of the Company’s gross unrealized losses on fixed income securities were as follows:
|  | December 31, 2021 |
|  | Less than 12 Months |  |  | Greater than 12 months |  |  | Total |
|  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government and agencies |  | $ | 3,125 |  |  | $ | (87 | ) |  | $ | - |  |  | $ | - |  |  | $ | 3,125 |  |  | $ | (87 | )
Obligations of states and political subdivisions |  |  | 19,769 |  |  |  | (350 | ) |  |  | 222 |  |  |  | (3 | ) |  |  | 19,991 |  |  |  | (353 | )
Corporate securities |  |  | 46,816 |  |  |  | (1,015 | ) |  |  | 1,895 |  |  |  | (54 | ) |  |  | 48,711 |  |  |  | (1,069 | )
Residential mortgage-backed securities |  |  | 17,407 |  |  |  | (261 | ) |  |  | 1,434 |  |  |  | (39 | ) |  |  | 18,841 |  |  |  | (300 | )
Commercial mortgage-backed securities |  |  | 11,287 |  |  |  | (160 | ) |  |  | 216 |  |  |  | (1 | ) |  |  | 11,503 |  |  |  | (161 | )
Asset-backed securities |  |  | 28,797 |  |  |  | (308 | ) |  |  | 995 |  |  |  | (5 | ) |  |  | 29,792 |  |  |  | (313 | )
Redeemable preferred stocks |  |  | 1,493 |  |  |  | (16 | ) |  |  | - |  |  |  | - |  |  |  | 1,493 |  |  |  | (16 | )
Total fixed income securities |  | $ | 128,694 |  |  | $ | (2,197 | ) |  | $ | 4,762 |  |  | $ | (102 | ) |  | $ | 133,456 |  |  | $ | (2,299 | )
|  | December 31, 2020 |
|  | Less than 12 Months |  |  | Greater than 12 months |  |  | Total |
|  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government and agencies |  | $ | 931 |  |  | $ | (6 | ) |  | $ | — |  |  | $ | — |  |  | $ | 931 |  |  | $ | (6 | )
Obligations of states and political subdivisions |  |  | 1,806 |  |  |  | (35 | ) |  |  | — |  |  |  | — |  |  |  | 1,806 |  |  |  | (35 | )
Corporate securities |  |  | 3,215 |  |  |  | (97 | ) |  |  | 734 |  |  |  | (50 | ) |  |  | 3,949 |  |  |  | (147 | )
Residential mortgage-backed securities |  |  | 68 |  |  |  | (1 | ) |  |  | — |  |  |  | — |  |  |  | 68 |  |  |  | (1 | )
Commercial mortgage-backed securities |  |  | 1,103 |  |  |  | (21 | ) |  |  | — |  |  |  | — |  |  |  | 1,103 |  |  |  | (21 | )
Asset-backed securities |  |  | 5,785 |  |  |  | (31 | ) |  |  | 4,188 |  |  |  | (55 | ) |  |  | 9,973 |  |  |  | (86 | )
Total fixed income securities |  | $ | 12,908 |  |  | $ | (191 | ) |  | $ | 4,922 |  |  | $ | (105 | ) |  | $ | 17,830 |  |  | $ | (296 | )
Schedule of net investment income | Net investment income consisted of the following:
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Fixed income securities |  | $ | 8,489 |  |  | $ | 8,682 |  |  | $ | 8,394 |
Equity securities |  |  | 1,221 |  |  |  | 1,220 |  |  |  | 996 |
Real estate |  |  | 625 |  |  |  | 587 |  |  |  | 365 |
Cash and cash equivalents |  |  | 4 |  |  |  | 30 |  |  |  | 71 |
Total gross investment income |  |  | 10,339 |  |  |  | 10,519 |  |  |  | 9,826 |
Investment expenses |  |  | 3,208 |  |  |  | 3,248 |  |  |  | 2,393 |
Net investment income |  | $ | 7,131 |  |  | $ | 7,271 |  |  | $ | 7,433 |
Schedule of net realized gain (loss) on investments | Net realized capital gain on investments consisted of the following:
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Gross realized gains: |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  | $ | 677 |  |  | $ | 1,035 |  |  | $ | 341 |
Equity securities |  |  | 17,453 |  |  |  | 8,705 |  |  |  | 4,311 |
Total gross realized gains |  |  | 18,130 |  |  |  | 9,740 |  |  |  | 4,652 |
Gross realized losses, excluding other-than-temporary impairment losses: |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  | (27 | ) |  |  | (132 | ) |  |  | (147 | )
Equity securities |  |  | (335 | ) |  |  | (1,837 | ) |  |  | (1,259 | )
Total gross realized losses, excluding other-than-temporary impairment losses​​ |  |  | (362 | ) |  |  | (1,969 | ) |  |  | (1,406 | )
Net realized gain on investments |  |  | 17,768 |  |  |  | 7,771 |  |  |  | 3,246 |
Change in net unrealized gain on equity securities |  |  | (2,289 | ) |  |  | 5,853 |  |  |  | 11,537 |
Net capital gain on investments |  | $ | 15,479 |  |  | $ | 13,624 |  |  | $ | 14,783 |

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