Investments - Contractual Maturities of Available for Sale Fixed Maturity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Amortized Cost
Due within one year	$ 32,742
Due after one year through five years	174,358
Due after five years through ten years	126,703
Due after ten years	34,226
Mortgage and asset-backed securities	145,137
Amortized Cost	513,166	$ 426,122
Fair Value
Due within one year	32,461
Due after one year through five years	166,479
Due after five years through ten years	114,076
Due after ten years	29,160
Mortgage and asset-backed securities	136,301
Fair Value	$ 478,477	$ 432,682

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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