Revenue - Contract Assets and Contract Liabilities (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract assets, current	$ 17,900,000
Contract assets, impairment	0
Revenue recognized related to amounts that were included in deferred revenue	$ 38,100,000	$ 35,800,000
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Transferred to receivables period	12 months
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Transferred to receivables period	24 months
Prepaid Expenses and Other Current Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract assets, current	$ 26,600,000		$ 18,500,000
Other Noncurrent Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract assets, noncurrent	$ 49,200,000		$ 39,300,000