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Investments - Unrealized losses (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
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Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | $ 189,368 | $ 159,032
Less than 12 Months, Unrealized Losses | (6,404) | (2,476)
12 Months or More, Fair Value | 94,692 | 88,855
12 Months or More, Unrealized Losses | (5,386) | (2,213)
Total Fair Value | 284,060 | 247,887
Total Unrealized Losses | (11,790) | (4,689)
U.S. Government agencies |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 28,966 | 0
Less than 12 Months, Unrealized Losses | (151) | 0
12 Months or More, Fair Value | 13,457 | 13,713
12 Months or More, Unrealized Losses | (215) | (258)
Total Fair Value | 42,423 | 13,713
Total Unrealized Losses | (366) | (258)
Obligations of states and political subdivisions |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 50,756 | 65,606
Less than 12 Months, Unrealized Losses | (1,816) | (1,428)
12 Months or More, Fair Value | 0 | 0
12 Months or More, Unrealized Losses | 0 | 0
Total Fair Value | 50,756 | 65,606
Total Unrealized Losses | (1,816) | (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 | 54,165 | 71,650
Less than 12 Months, Unrealized Losses | (1,327) | (932)
12 Months or More, Fair Value | 75,561 | 69,518
12 Months or More, Unrealized Losses | (5,159) | (1,883)
Total Fair Value | 129,726 | 141,168
Total Unrealized Losses | (6,486) | (2,815)
Private label mortgage and asset backed securities |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 47,232 | 17,811
Less than 12 Months, Unrealized Losses | (2,359) | (81)
12 Months or More, Fair Value | 5,674 | 5,624
12 Months or More, Unrealized Losses | (12) | (72)
Total Fair Value | 52,906 | 23,435
Total Unrealized Losses | (2,371) | (153)
Corporate debt securities |  |
Schedule of Available-for-sale Securities |  |
Less than 12 Months, Fair Value | 8,249 |
Less than 12 Months, Unrealized Losses | (751) |
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 | 8,249 | 3,965
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ 751 | 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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