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