Investments - Cost or Amortized Cost and Fair Value of Securities Available for Sale (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,138,190	$ 1,061,192
Allowance for Expected Credit Losses	(672)	(489)	$ (186)
Gross Unrealized Gains	383	1,129
Gross Unrealized Losses	(116,895)	(21,377)
Fair Value	1,021,006	1,040,455
U.S. government obligations and agencies \| Fixed Maturities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	21,403	27,076
Allowance for Expected Credit Losses	0	0
Gross Unrealized Gains	0	64
Gross Unrealized Losses	(791)	(334)
Fair Value	20,612	26,806
Corporate bonds \| Fixed Maturities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	763,806	687,058
Allowance for Expected Credit Losses	(548)	(371)
Gross Unrealized Gains	52	843
Gross Unrealized Losses	(80,813)	(13,725)
Fair Value	682,497	673,805
Mortgage-backed and asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	328,934	322,844
Fair Value	297,393	316,118
Mortgage-backed and asset-backed securities \| Fixed Maturities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	328,934	322,844
Allowance for Expected Credit Losses	0	0
Gross Unrealized Gains	331	194
Gross Unrealized Losses	(31,872)	(6,920)
Fair Value	297,393	316,118
Municipal bonds \| Fixed Maturities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	14,924	14,925
Allowance for Expected Credit Losses	0	(1)
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,933)	(350)
Fair Value	12,991	14,574
Redeemable preferred stock
Debt Securities, Available-for-sale [Line Items]
Allowance for Expected Credit Losses	(124)	(117)	$ (38)
Redeemable preferred stock \| Fixed Maturities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	9,123	9,289
Allowance for Expected Credit Losses	(124)	(117)
Gross Unrealized Gains	0	28
Gross Unrealized Losses	(1,486)	(48)
Fair Value	$ 7,513	$ 9,152

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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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 allowance for credit loss 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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