Homebuilding Accrued Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Homebuilding Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Warranty accrual	$ 30,458	$ 30,887	$ 31,386	$ 29,349	$ 29,992	$ 28,262
Lease liability			33,393
Homebuilding:
Segment Reporting Information [Line Items]
Customer and escrow deposits	43,632		39,001
Warranty accrual	30,458		31,386
Accrued compensation and related expenses	34,076		45,003
Lease liability	32,441		30,830
Accrued interest	27,843		27,734
Construction defect claim reserves	8,393		8,196
Land development and home construction accruals	8,125		9,750
Other accrued liabilities	93,575		54,040
Accrued and other liabilities	$ 278,543		$ 245,940