Revenues - Contract with Customer, Asset and Liability Rollforward (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Revenue from Contract with Customer [Abstract]
Beginning balance, January 1, 2020	$ 88,215
Revenues recognized from beginning contract liability	(83,530)
Cumulative catch-up adjustments	(13,372)
Increases due to amounts collected or due	309,613
Revenues recognized from current period increases	(198,190)
Other	(4,348)
Ending balance, December 31, 2020	$ 98,388