Revenue Recognition (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 1,402,876,000	$ 976,021,000	$ 791,660,000
Document Period End Date	Dec. 31, 2021
Contract with Customer, Performance Obligation Satisfied in Previous Period	$ 0
Revenue, Practical Expedient, Remaining Performance Obligation, Description	Our contracts with homebuyers have a duration of less than one year. As such, the Company uses the practical expedient as allowed under ASC 606 and has not disclosed the transaction price allocated to remaining performance obligations as of the end of the reporting period.
Residential Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 1,309,687,000	930,176,000	759,830,000
Residential Real Estate [Member] | Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,305,620,000	923,901,000	752,273,000
Residential Real Estate [Member] | Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Revenues	4,067,000	6,275,000	7,557,000
Real Estate, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	93,189,000	45,845,000	31,830,000
Real Estate, Other [Member] | Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenues	93,189,000	45,845,000	31,830,000
Real Estate, Other [Member] | Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Homebuyers [Member] | Residential Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,309,687,000	930,176,000	759,830,000
Homebuyers [Member] | Real Estate, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	185,000
Homebuilders [Member] | Residential Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Homebuilders [Member] | Real Estate, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	93,189,000	45,845,000	31,645,000
Central | Residential Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	938,052,000	644,976,000	396,900,000
Central | Real Estate, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	66,613,000	43,788,000	31,080,000
Southeast | Residential Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	371,635,000	285,200,000	362,930,000
Southeast | Real Estate, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	26,576,000	2,057,000	750,000
sic_Z6552 Land Subdividers and Developers (No Cemeteries)
Disaggregation of Revenue [Line Items]
Revenues	64,644,000	43,289,000	31,080,000
sic_Z6552 Land Subdividers and Developers (No Cemeteries) | Residential Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
us-gaap_HomeBuildingMember
Disaggregation of Revenue [Line Items]
Revenues	1,338,232,000	932,732,000	760,580,000
us-gaap_HomeBuildingMember | Real Estate, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	28,500,000	2,600,000	800,000
us-gaap_HomeBuildingMember | Land and Lots [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
us-gaap_HomeBuildingMember | Central
Disaggregation of Revenue [Line Items]
Revenues	940,021,000	645,475,000	396,900,000
us-gaap_HomeBuildingMember | Southeast
Disaggregation of Revenue [Line Items]
Revenues	$ 398,211,000	$ 287,257,000	$ 363,680,000