Revenue (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 961,040	$ 714,194		$ 1,789,816	$ 1,291,797
Gain (Loss) on Hedging Activity	$ 2,700	$ (7,000)		$ 3,900	$ (10,600)
Homebuilding operations percent of total revenue	97.00%	97.00%		97.00%	97.00%
Mortgage Servicing Rights (MSR) Impairment (Recovery)	$ 0	$ (600)	$ 1,000		$ 400	$ 200
Construction [Member]
Disaggregation of Revenue [Line Items]
Revenues	927,506	694,700		$ 1,725,785	1,254,149
Land [Member]
Disaggregation of Revenue [Line Items]
Revenues	4,899	446		5,747	5,133
Financial Services Sector [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 28,635	$ 19,048		$ 58,284	$ 32,515