Nature of Operations and Significant Accounting Policies(Details) $ in Thousands		3 Months Ended	12 Months Ended
	Oct. 01, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($) pipeline	Dec. 31, 2015 USD ($)
Subsidiary or Equity Method Investee [Line Items]
Number of water pipelines | pipeline			2
Ownership threshold to qualify for equity method accounting treatment, minimum		20.00%	20.00%
Ownership threshold to qualify for equity method accounting treatment, maximum		50.00%	50.00%
Proceeds	$ 9,600
Net proceeds	9,000
Gain on sale		$ 8,700
Debt issuance costs		$ 734	$ 734	$ 1,524
Furniture and Fixtures
Subsidiary or Equity Method Investee [Line Items]
Estimated useful lives of property and equipment, minimum			7 years
Computer Equipment
Subsidiary or Equity Method Investee [Line Items]
Estimated useful lives of property and equipment, minimum			3 years
Minimum | Land Improvements
Subsidiary or Equity Method Investee [Line Items]
Estimated useful lives of property and equipment, minimum			5 years
Minimum | Land, Buildings and Improvements
Subsidiary or Equity Method Investee [Line Items]
Estimated useful lives of property and equipment, minimum			15 years
Maximum | Land Improvements
Subsidiary or Equity Method Investee [Line Items]
Estimated useful lives of property and equipment, minimum			15 years
Maximum | Land, Buildings and Improvements
Subsidiary or Equity Method Investee [Line Items]
Estimated useful lives of property and equipment, minimum			30 years
UCP
Subsidiary or Equity Method Investee [Line Items]
Voting ownership percentage of noncontrolling interest		56.80%	56.80%
Indemnification Agreement
Subsidiary or Equity Method Investee [Line Items]
Guaranteed indemnification claims	$ 1,000
Accounting Standards Update 2015-03
Subsidiary or Equity Method Investee [Line Items]
Debt issuance costs				$ 1,500