Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 417,155,000	$ 306,675,000	$ 313,997,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	4,879,000	3,545,000	2,367,000
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	74,000	207,000	(377,000)
Share-based compensation expense	8,402,000	6,753,000	3,477,000
Deferred income taxes, net	1,321,000	1,142,000	(707,000)
Income (Loss) from Equity Method Investments	(5,083,000)	(16,742,000)	(25,626,000)
Equity Method Investment, Realized Gain (Loss) on Disposal	(10,718,000)
Allowances For Option Deposits And Pre-Acquisition Costs	284,000	64,000	966,000
Distributions of income from unconsolidated entities	7,670,000	11,859,000	11,483,000
Changes in operating assets and liabilities:
(Increase) decrease in receivables	(3,226,000)	(5,344,000)	1,583,000
Increase in inventory	(403,312,000)	(109,243,000)	(217,598,000)
Decrease in earnest money deposits	2,990,000	7,290,000	2,021,000
Increase in other assets	(8,002,000)	(14,875,000)	(1,550,000)
Increase in accounts payable	5,426,000	2,517,000	6,122,000
Increase in accrued expenses	14,131,000	5,459,000	30,017,000
Increase (Decrease) in Contract with Customer, Liability	(6,079,000)	14,035,000	(35,498,000)
Net cash provided by operating activities	25,912,000	213,342,000	90,677,000
Cash flows from investing activities:
Investments in unconsolidated entities	(31,757,000)	(5,547,000)	(4,465,000)
Proceeds from Sale of Equity Method Investments	63,960,000
Purchase of property and equipment, net of disposals	(4,365,000)	(7,802,000)	(2,012,000)
Net cash provided by (used in) investing activities	27,838,000	(13,349,000)	(6,477,000)
Cash flows from financing activities:
Borrowings from lines of credit	106,000,000	22,000,000	420,000,000
Payments of Debt Issuance Costs	(841,000)	(638,000)	(829,000)
Repayments of lines of credit	(81,000,000)	(42,000,000)	(402,000,000)
Repayments of Senior Debt	(37,500,000)
Proceeds from Notes Payable	14,871,000	63,000	14,472,000
Repayments of notes payable	(12,981,000)	(1,704,000)	(60,000)
Payments of withholding tax on vesting of restricted stock awards and stock option exercises	(11,337,000)	(1,977,000)	(1,074,000)
Payments for Repurchase of Common Stock	(48,428,000)	(45,777,000)	(101,463,000)
Distributions to noncontrolling interests	(16,785,000)	(19,056,000)	(10,718,000)
Proceeds from (Payments for) Other Financing Activities	(2,637,000)	(1,840,000)	0
Net cash used in financing activities	(93,513,000)	(93,804,000)	(84,484,000)
Payments of Dividends	(2,875,000)	(2,875,000)	(2,812,000)
Net (decrease) increase in cash and cash equivalents and restricted cash	(39,763,000)	106,189,000	(284,000)
Restricted Cash	18,153,000	19,703,000
Cash and restricted cash	159,696,000	199,459,000	93,270,000	$ 93,554,000
Supplemental disclosure of cash flow information:
Cash paid for income taxes, net of refunds	$ 83,609,000	$ 90,535,000	$ 85,445,000