Accounts Receivable Securitization - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Aug. 20, 2018	Mar. 08, 2017
Servicing Liability at Amortized Cost [Line Items]
Investment limit			$ 125,000,000.0	$ 100,000,000.0
Transferor's Interests In Transferred Financial Assets, Receivables Sold, Percent			100.00%
Amount drawn on investment limit	$ 85,000,000.0	$ 0.0
Servicing liability	1,300,000	3,400,000
Servicing liability amortization	1,400,000	1,100,000
Proceeds from accounts receivable securitization	1,200,000,000	1,100,000,000
Cash collection	1,200,000,000	1,100,000,000
Outstanding principal on receivables sold under securitization	187,800,000	173,700,000
Other current liabilities
Servicing Liability at Amortized Cost [Line Items]
Servicing liability	$ 2,100,000
Other non-current liabilities
Servicing Liability at Amortized Cost [Line Items]
Servicing liability		$ 400,000