Commitment and Contingencies (Details) - USD ($)	Jan. 15, 2020	Mar. 31, 2021	Aug. 31, 2019	Mar. 01, 2018
Long-term Purchase Commitment [Line Items]
Discontinued operation, amounts of material contingent liabilities remaining, performance bonds		$ 46,800,000
Damages Awarded	$ 7,900,000
Within 90 Days Following Bonding Agreement Closing [Member]
Long-term Purchase Commitment [Line Items]
Discontinued operation, amounts of material contingent liabilities remaining, performance bonds		47,000,000.0
Within 180 Days Following Bonding Agreement Closing [Member]
Long-term Purchase Commitment [Line Items]
Discontinued operation, amounts of material contingent liabilities remaining, performance bonds		$ 47,000,000.0
Offshore Division | Discontinued Operations, Disposed of by Sale
Long-term Purchase Commitment [Line Items]
Disposal Group, Including Discontinued Operation, Consideration, Additional Receivable				$ 7,500,000
Disposal Group, Including Discontinued Operation, Reserve, Other Receivables			$ 1,500,000