Fair Value Measurements and Marketable Securities Available for Sale - Schedule of Net Realized Gain (Loss) on Marketable Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net realized gains (losses) on available-for-sale securities were as follows:
Realized gains from sales of available-for-sale securities	$ 7	$ 45
Realized losses from sales of available-for-sale securities	(50)	0
Debt Securities, Available-for-sale, Unrealized Gain (Loss), Total	(43)	45
Net recognized gains (losses) on equity securities were as follows:
Net realized losses on equities sold	(337)	0
Net realized gains on equities sold	166	0
Equity Securities, FV-NI, Gain (Loss), Total	(171)	0
Marketable Securities, Gain (Loss), Total	$ (214)	$ 45