Revenues - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Short-term unbilled receivables, net	$ 17,208	$ 13,895
Long-term unbilled receivables, net	18,084	17,205
Total contract assets	35,292	31,100
Short-term deferred revenues, net	112,196	100,053
Long-term deferred revenues	20,194	5,673
Total contract liabilities	$ 132,390	$ 105,726