Summary of Significant Accounting Policies - Deferred Revenue (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Accounting Policies [Abstract]
Cash received in advance and not recognized as revenue	$ 511,300
Increase in deferred revenue from netting of contract assets and liabilities	4,200
Revenue recognized from current year invoices	424,200
Revenue recognized that was included in the contract liability balance	$ 74,500