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v3.21.2

Related Party Transactions (Executive Officers) (Narrative) (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) employee | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) employee | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Management | Subcontracting Arrangements |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Number of management members, subcontracting arrangement | employee | 2 |  | 2 |  |
Expenses, related party | $ 16,800,000 | $ 0 | $ 45,800,000 | $ 600,000 |
Payables, related party | 14,900,000 |  | 14,900,000 |  | $ 1,400,000
Chairman, Board of Directors | Lease Agreements |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expenses, related party | 600,000 | 600,000 | 1,300,000 | 1,300,000 |
Executive Officers | Related Customer |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Receivables, related party | 800,000 |  | 800,000 |  | 900,000
Charges, related party | 300,000 | 300,000 | 600,000 | 700,000 |
Executive Officers | Construction Services |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expenses, related party |  |  | 200,000 | 200,000 |
Payables, related party | $ 0 |  | $ 0 |  | 0
Revenue, related party |  | 1,500,000 |  | 5,500,000 |
Immediate Family Member of Management | Construction Management Firm Specializing in Steel Building Systems |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Advances outstanding, related party |  | $ 300,000 |  | $ 300,000 | $ 100,000

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