Quarterly report pursuant to Section 13 or 15(d)

Other Assets - Narrative (Details)

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Other Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]      
Contract with Customer, Asset, after Allowance for Credit Loss $ 17.7 $ 17.7 $ 6.1
Revenue, remaining performance obligation, amount 29.5 29.5 63.9
Deferred revenue 0.3 0.3 $ 4.0
Lot sales and other      
Disaggregation of Revenue [Line Items]      
Deferred revenue recognized from lot sales in prior years $ 1.0 $ 4.0