Quarterly report pursuant to Section 13 or 15(d)

Construction Contract and Other Service Revenues - Performance Obligation Narrative (Details)

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Construction Contract and Other Service Revenues - Performance Obligation Narrative (Details) - Construction Contract Revenue
$ in Millions
Mar. 31, 2022
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligations $ 98.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligations $ 84.0
Revenue, remaining performance obligation, expected timing of satisfaction, period 9 months