Revenue (Tables)

6 Months Ended

Jun. 30, 2022

Revenue From Contract With Customer [Abstract]

Summary of Changes in Deferred Revenue Related to Material Right Performance Obligations

Changes in deferred revenue related to material right performance obligations as of June 30, 2022 and 2021 were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Balance, beginning of period	$	104,816		$	88,993		$	101,426		$	86,826
Deferral of revenue		15,426			8,536			24,614			15,498
Recognition of unearned revenue		(11,362	)		(5,071	)		(17,160	)		(9,866	)
Balance, end of period	$	108,880		$	92,458		$	108,880		$	92,458

Summary of Asset Balances and Related Amortization Expense For Contract Costs

The following tables present the asset balances and related amortization expense for these contract costs:

	As of and for the Three Months Ended June 30, 2022
	Beginning		Capitalization					Ending
	Balance		of Costs		Amortization			Balance
Costs to obtain a contract	$	290,523	$	16,595	$	(11,132	)	$	295,986
Costs to fulfill a contract	$	285,081	$	26,819	$	(9,881	)	$	302,019
	As of and for the Three Months Ended June 30, 2021
	Beginning		Capitalization					Ending
	Balance		of Costs		Amortization			Balance
Costs to obtain a contract	$	244,339	$	13,701	$	(9,132	)	$	248,908
Costs to fulfill a contract	$	214,969	$	21,934	$	(7,391	)	$	229,512
	As of and for the Six Months Ended June 30, 2022
	Beginning		Capitalization					Ending
	Balance		of Costs		Amortization			Balance
Costs to obtain a contract	$	272,919	$	44,881	$	(21,814	)	$	295,986
Costs to fulfill a contract	$	265,657	$	55,449	$	(19,087	)	$	302,019
	As of and for the Six Months Ended June 30, 2021
	Beginning		Capitalization					Ending
	Balance		of Costs		Amortization			Balance
Costs to obtain a contract	$	232,583	$	34,242	$	(17,917	)	$	248,908
Costs to fulfill a contract	$	199,593	$	44,112	$	(14,193	)	$	229,512