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Construction Contract and Other Service Revenues - Performance Obligation Narrative (Details) - Construction Contract Revenue
$ in Millions
Jun. 30, 2022
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligations $ 62.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligations $ 44.0
Revenue, remaining performance obligation, expected timing of satisfaction, period 6 months