Homebuilding Prepaid and Other Assets - Summary of Homebuilding Prepaid and Other Assets (Details) - Homebuilding: - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule of Prepaid Expenses and Other Assets [Line Items]
Operating lease right-of-use asset	$ 31,584	$ 30,277
Land option deposits	19,669	27,361
Prepaid expenses	6,084	7,294
Goodwill	6,008	6,008
Deferred debt issuance costs on revolving credit facility, net	5,363	6,130
Other	776	1,288
Total assets	$ 69,484	$ 78,358