Investments - Amortized Cost, Fair Value and Unrealized Gains and (Losses) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Net Investment Income [Line Items]
Amortized Cost	$ 68,101	$ 67,880
Gross Unrealized, Gains	33	150
Gross Unrealized, Losses	(2,807)	(455)
Fair value	65,327	67,575
U.S. Treasuries
Net Investment Income [Line Items]
Amortized Cost	3,653	5,452
Gross Unrealized, Gains	1	1
Gross Unrealized, Losses	(135)	(36)
Fair value	3,519	5,417
Obligations of states, municipalities and political subdivisions
Net Investment Income [Line Items]
Amortized Cost	9,997	8,913
Gross Unrealized, Gains		21
Gross Unrealized, Losses	(584)	(84)
Fair value	9,413	8,850
Corporate bonds
Net Investment Income [Line Items]
Amortized Cost	30,283	31,491
Gross Unrealized, Gains	3	89
Gross Unrealized, Losses	(1,234)	(155)
Fair value	29,052	31,425
Residential and commercial mortgage-backed securities
Net Investment Income [Line Items]
Amortized Cost	15,237	14,387
Gross Unrealized, Gains	27	34
Gross Unrealized, Losses	(617)	(139)
Fair value	14,647	14,282
Other loan-backed and structured securities
Net Investment Income [Line Items]
Amortized Cost	8,931	7,637
Gross Unrealized, Gains	2	5
Gross Unrealized, Losses	(237)	(41)
Fair value	$ 8,696	$ 7,601

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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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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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Amount 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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