Strategic Investments (Details) - USD ($) $ in Thousands	6 Months Ended	16 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Equity Securities without Readily Determinable Fair Value [Line Items]
Balance, beginning of period	$ 11,711
Investments	20,500	$ 30,156
Observable price changes	40,855	42,910
Sales	(14,546)	(14,546)
Balance, end of period	58,520	58,520
Realized gain on sale of investment	12,300
Strategic investments
Equity Securities without Readily Determinable Fair Value [Line Items]
Balance, beginning of period	9,500
Investments	20,500	27,568
Observable price changes	40,321	42,753
Sales	(14,546)	(14,546)
Balance, end of period	55,775	55,775
Warrants for strategic investment
Equity Securities without Readily Determinable Fair Value [Line Items]
Balance, beginning of period	2,211
Investments		2,588
Observable price changes	534	157
Balance, end of period	$ 2,745	$ 2,745