Investments - Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value
Less than 12 months	$ 405	$ 1,790
12 months or greater	27,123	48,858
Total	27,528	50,648
Gross Unrealized Losses
Less than 12 months	0	(2)
12 months or greater	(337)	(737)
Total	(337)	(739)
Corporate debt security
Fair Value
Less than 12 months	405	1,790
12 months or greater	23,477	37,775
Total	23,882	39,565
Gross Unrealized Losses
Less than 12 months	0	(2)
12 months or greater	(303)	(610)
Total	(303)	(612)
U.S. treasuries
Fair Value
Less than 12 months	0	0
12 months or greater	650	2,180
Total	650	2,180
Gross Unrealized Losses
Less than 12 months	0	0
12 months or greater	(1)	(21)
Total	(1)	(21)
Asset-backed security and other
Fair Value
Less than 12 months	0	0
12 months or greater	2,996	5,248
Total	2,996	5,248
Gross Unrealized Losses
Less than 12 months	0	0
12 months or greater	(33)	(76)
Total	$ (33)	(76)
Non-U.S. government and supranational bonds
Fair Value
Less than 12 months		0
12 months or greater		3,655
Total		3,655
Gross Unrealized Losses
Less than 12 months		0
12 months or greater		(30)
Total		$ (30)

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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), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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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), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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