Revenue (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 714,194			$ 623,686	$ 1,291,797	$ 1,104,795
Gain (Loss) on Hedging Activity	$ (7,000)			$ (2,600)	$ (10,600)	$ (6,000)
Homebuilding operations percent of total revenue	97.00%			98.00%	97.00%	98.00%
Mortgage Servicing Rights (MSR) Impairment (Recovery)	$ (600)	$ 1,000	$ 0		$ 400
Construction [Member]
Disaggregation of Revenue [Line Items]
Revenues	694,700			$ 597,870	1,254,149	$ 1,064,178
Land [Member]
Disaggregation of Revenue [Line Items]
Revenues	446			11,513	5,133	14,531
Financial Services Sector [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 19,048			$ 14,303	$ 32,515	$ 26,086