Investments - Net Realized and Unrealized Investment Gains and Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net realized and unrealized investment gains and losses
Gains on sales of fixed maturity securities	$ 7	$ 166	$ 10	$ 218
Gains on sales of equity securities		420		1,229
Total realized gains	7	586	10	1,447
Losses on sales of fixed maturity securities	(116)		(116)	(2)
Total realized losses	(116)		(116)	(2)
Net realized investment gains (losses)	(109)	586	(106)	1,445
Net unrealized gains (losses) on equity securities	(4,626)	(286)	(5,908)	(1,884)
Net realized and unrealized gains (losses) on investments	(4,735)	300	(6,014)	(439)
Proceeds from sales of fixed maturity securities
Proceeds from the sale of fixed maturity securities	$ 1,000	$ 4,800	$ 5,800	$ 11,100

Amount of realized gain on investment in debt and equity securities.

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Amount of unrealized and realized gain (loss) on investment in debt and equity securities.

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Amount of realized gain 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 of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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