Investments - Contractual Maturities of Available for Sale Fixed Maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Amortized Cost
Due within one year	$ 11,548
Due after one year through five years	87,088
Due after five years through ten years	79,345
Due after ten years	38,056
Mortgage and asset-backed securities	58,827
Amortized Cost	274,864	$ 211,278
Fair Value
Due within one year	11,572
Due after one year through five years	87,408
Due after five years through ten years	77,926
Due after ten years	38,545
Mortgage and asset-backed securities	57,907
Total	$ 273,358	$ 217,151

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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