Revenue from Contracts with Customers Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) Entities	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Revenue from Contract with Customers [Line Items]
Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress	$ 2,500	$ 3,300
Number of Reportable Segments | Entities	1
Contract Receivable, Due after Next Rolling Twelve Months	$ 2,100
Contract with Customer, Liability, Current	30,383		$ 37,218
Contract with Customer, Liability, Revenue Recognized	25,500
Revenue, Remaining Performance Obligation, Amount	$ 2,600,000
UNITED STATES | Revenue from Contract with Customer, Segment Benchmark [Member]
Revenue from Contract with Customers [Line Items]
Concentration Risk, Percentage	100.00%	99.00%