Revenue from Contract with Customer (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue	$ 514,800	$ 469,624	$ 366,620
Contract acquisition costs non-current, ending balance	43,804	$ 40,675	$ 41,021
Remaining performance obligations	$ 397,300
Revenue, remaining performance obligation, percentage	88.00%
Deferred revenue, period increase (decrease)	$ (14,200)
Recognition of deferred revenue	$ 98,300
Minimum
Amortization period for contract acquisition costs (in years)	3 years
Maximum
Amortization period for contract acquisition costs (in years)	5 years