Basis of Presentation and Significant Accounting Policies - Narrative (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) segment	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Significant Accounting Policies [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment	$ 2,700,000	$ 2,700,000
Number of reportable segments | segment		6
Minimum
Significant Accounting Policies [Line Items]
Percentage of sales price fee from construction management agreements		3.00%
Maximum
Significant Accounting Policies [Line Items]
Percentage of sales price fee from construction management agreements		5.00%
Accrued Expenses
Significant Accounting Policies [Line Items]
Lease liability		$ 15,900,000	$ 15,600,000		$ 13,100,000
Accrued Expenses | Restatement Adjustment
Significant Accounting Policies [Line Items]
Sale Leaseback Transaction, Amount Due under Financing Arrangement				$ 19,800,000