Revenue From Contracts With Customer (Changes in Contract Assets and Contract Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Contract assets
Contract assets	$ 9,345	$ 8,999	$ 9,645
Contract assets, change	346	(646)
Contract liabilities
Contract liabilities - current	89,659	71,246	59,531
Contract liabilities - current, change	18,413	11,715
Contract liabilities - long-term	2,691	2,189	$ 1,820
Contract liabilities - long-term, change	$ 502	$ 369