Significant Accounting Policies - Schedule of Balances of Allowance for Doubtful Accounts (Details) - Allowance for Doubtful Accounts - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 76,694	$ 60,465	$ 43,491
Additions: charges to bad debt expense	21,302	44,707	20,324
Deductions	(35,770)	(28,478)	(3,350)
Balance at end of period	$ 62,226	$ 76,694	$ 60,465