Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 828,776	$ 577,603
Gain (Loss) on Hedging Activity	$ 1,200	$ (3,600)
Homebuilding operations percent of total revenue	96.00%	98.00%
Mortgage Servicing Rights (MSR) Impairment (Recovery)	$ 0	$ 1,000	$ 200
Construction [Member]
Disaggregation of Revenue [Line Items]
Revenues	798,279	559,449
Land [Member]
Disaggregation of Revenue [Line Items]
Revenues	848	4,687
Financial Services Sector [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 29,649	$ 13,467