Homebuilding Prepaids and Other Assets - Summary of Homebuilding Prepaid and Other Assets (Details) - Homebuilding: - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule of Prepaid Expenses and Other Assets [Line Items]
Operating lease right-of-use asset (Note 8)	$ 28,737	$ 29,226
Land option deposits	37,138	29,987
Prepaids	26,505	26,929
Goodwill	6,008	6,008
Deferred debt issuance costs on revolving credit facility, net	8,529	9,043
Other	511	492
Total prepaids and other assets	$ 107,428	$ 101,685