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Investments - Unrealized losses (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | $ 132,152 | $ 159,032
Less than 12 Months, Unrealized Losses | (1,381) | (2,476)
12 Months or More, Fair Value | 94,150 | 88,855
12 Months or More, Unrealized Losses | (2,685) | (2,213)
Total Fair Value | 226,302 | 247,887
Total Unrealized Losses | (4,066) | (4,689)
U.S. Government agencies |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 27,125 | 0
Less than 12 Months, Unrealized Losses | (132) | 0
12 Months or More, Fair Value | 12,812 | 13,713
12 Months or More, Unrealized Losses | (185) | (258)
Total Fair Value | 39,937 | 13,713
Total Unrealized Losses | (317) | (258)
Obligations of states and political subdivisions |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 50,672 | 65,606
Less than 12 Months, Unrealized Losses | (563) | (1,428)
12 Months or More, Fair Value | 0 | 0
12 Months or More, Unrealized Losses | 0 | 0
Total Fair Value | 50,672 | 65,606
Total Unrealized Losses | (563) | (1,428)
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 32,953 | 71,650
Less than 12 Months, Unrealized Losses | (287) | (932)
12 Months or More, Fair Value | 81,338 | 69,518
12 Months or More, Unrealized Losses | (2,500) | (1,883)
Total Fair Value | 114,291 | 141,168
Total Unrealized Losses | (2,787) | (2,815)
Private label mortgage and asset backed securities |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 12,698 | 17,811
Less than 12 Months, Unrealized Losses | (103) | (81)
12 Months or More, Fair Value | 0 | 5,624
12 Months or More, Unrealized Losses | 0 | (72)
Total Fair Value | 12,698 | 23,435
Total Unrealized Losses | (103) | (153)
Corporate debt securities |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 8,704 |
Less than 12 Months, Unrealized Losses | (296) |
12 Months or More, Fair Value | 0 |
12 Months or More, Unrealized Losses | 0 |
Other equity securities |  |
Schedule of Available-for-sale Securities |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 8,704 | 3,965
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ 296 | 35
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 3,965
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 35
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | $ 0

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