Revenue - Contract balances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Contract assets, net	$ 188,672	$ 247,162	$ 188,672	$ 247,162	$ 164,847	$ 221,997
Deferred Revenue, Revenue Recognized	915,969	898,853
Billings - Contract Assets	(892,144)	(873,688)
Revenue recognized	(55,696)	(35,488)
Deferrals of customer payments	24,084	47,430
Capitalized Contract Cost, Amortization	(1,300)	(1,300)	(3,100)	(2,300)
Contract liabilities	$ 56,563	$ 61,988	$ 56,563	$ 61,988	$ 88,175	$ 50,046