Revenue from Contracts with Customers - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Contract Assets
Change due to acquisitions / disposals	$ 2,426		$ 10,356
Change related to credit allowance	31		(5)
Other changes in the period	(16,728)		927
Contract Liabilities
Change due to acquisitions / disposals	1,160		36,523
Other changes in the period	86,977		44,620
Contract assets:
Balance at beginning of period	29,900	$ 18,622	18,622
Balance at end of period	15,629		29,900
Costs and estimated earnings in excess of billings, less allowance for credit losses	15,629		29,900
Contract liabilities:
Balance at beginning of period	307,380	226,237	226,237
Balance at end of period	395,517		307,380
Total contract liabilities	395,517		$ 307,380
Revenue related to our contract liabilities	$ 268,000	$ 195,000