Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 313,997,000	$ 204,381,000	$ 117,797,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization expense	2,367,000	2,744,000	3,666,000
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	(377,000)	150,000	36,000
Share-based compensation expense	3,477,000	3,078,000	2,097,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	0	0	368,000
Deferred income taxes, net	(707,000)	(365,000)	(114,000)
Income (Loss) from Equity Method Investments	(25,626,000)	(19,713,000)	(16,654,000)
Allowances For Option Deposits And Pre-Acquisition Costs	966,000	223,000	1,513,000
Distributions of income from unconsolidated entities	11,483,000	10,548,000	10,936,000
Changes in operating assets and liabilities:
Decrease (increase) in receivables	1,583,000	(1,647,000)	(504,000)
Increase in inventory	(217,598,000)	(358,270,000)	(90,345,000)
Decrease (increase) in earnest money deposits	2,021,000	(3,772,000)	(9,069,000)
(Increase) decrease in other assets	(1,551,000)	2,054,000	(3,739,000)
Increase (decrease) in accounts payable	6,122,000	21,161,000	(5,523,000)
Increase in accrued expenses	30,017,000	20,935,000	15,760,000
Payment for Contingent Consideration Liability, Operating Activities	0	(368,000)	(5,267,000)
Increase (Decrease) in Contract with Customer, Liability	(35,498,000)	26,479,000	14,177,000
Net cash provided by (used in) operating activities	90,676,000	(92,382,000)	35,135,000
Cash flows from investing activities:
Investments in unconsolidated entities	(4,465,000)	(8,000)	(10,431,000)
Purchase of property and equipment, net of disposals	(2,012,000)	(2,025,000)	(2,903,000)
Net cash used in investing activities	(6,477,000)	(2,033,000)	(13,334,000)
Cash flows from financing activities:
Borrowings from lines of credit	420,000,000	749,800,000	354,500,000
Proceeds from Issuance of Senior Long-term Debt	0	225,000,000	37,500,000
Payments of Debt Issuance Costs	(829,000)	(2,901,000)	(527,000)
Repayments of lines of credit	(402,000,000)	(855,800,000)	(412,500,000)
Proceeds from Notes Payable	14,472,000	209,000	10,714,000
Repayments of notes payable	(60,000)	(2,124,000)	(8,590,000)
Payments of withholding tax on vesting of restricted stock awards	(1,074,000)	(834,000)	(592,000)
Payments for Repurchase of Common Stock	(101,463,000)	0	0
Proceeds from Issuance of Preferred Stock and Preference Stock	0	47,696,000	0
Contributions from noncontrolling interests	0	0	400,000
Distributions to noncontrolling interests	(10,718,000)	(6,606,000)	(1,505,000)
Proceeds from (Payments for) Other Financing Activities	0	(106,000)	(5,251,000)
Net cash (used in) provided by financing activities	(84,483,000)	154,334,000	(25,851,000)
Payments of Dividends	(2,811,000)	0	0
Net (decrease) increase in cash and cash equivalents and restricted cash	(284,000)	59,919,000	(4,050,000)
Restricted Cash	16,682,000	16,388,000	14,156,000
Cash	76,588,000	77,166,000	19,479,000
Cash and restricted cash	93,270,000	93,554,000	33,635,000
Supplemental disclosure of cash flow information:
Cash paid for income taxes, net of refunds	$ 85,445,000	$ 47,288,000	$ 20,541,000