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Concentration of Risk and Enterprise Wide Disclosures - Contract Revenues by Customer (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue, Major Customer [Line Items]
Revenues	$ 345,674	$ 1,769,436	$ 1,414,374	$ 1,226,738
One Customer | Customer Concentration Risk | E-Infrastructure Solutions
Revenue, Major Customer [Line Items]
Revenues			156,600
Contract receivable			$ 27,188
One Customer | Customer Concentration Risk | Contract Receivables | E-Infrastructure Solutions
Revenue, Major Customer [Line Items]
Concentration risk percentage			14.00%

X

- Definition

Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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