Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income	$ 252,833,000	$ 137,304,000
Depreciation, Depletion and Amortization	1,717,000	2,075,000
Gain (Loss) on Disposition of Property Plant Equipment	(386,000)	195,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Share-based compensation expense	3,329,000	2,917,000
Earnest Money Deposits and Pre-acquisition Costs Written-Off	839,000	210,000
Income (Loss) from Equity Method Investments	(19,907,000)	(14,039,000)
Distributions of income from unconsolidated entities	9,870,000	7,755,000
Changes in operating assets and liabilities:
Increase in receivables	(368,000)	(1,805,000)
Increase in inventory	(248,303,000)	(325,086,000)
Decrease (increase) in earnest money deposits	727,000	(4,166,000)
(Increase) decrease in other assets	(1,486,000)	617,000
Increase in accounts payable	(15,302,000)	(23,793,000)
Payment for Contingent Consideration Liability, Operating Activities	0	(368,000)
Increase in accrued expenses	38,161,000	24,151,000
Increase (Decrease) in Contract with Customer, Liability	(20,988,000)	31,948,000
Net cash provided by (used in) operating activities	31,340,000	(114,499,000)
Cash flows from investing activities:
Purchase of property and equipment	(1,349,000)	(1,782,000)
Net cash used in investing activities	(4,946,000)	(1,790,000)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Borrowings from lines of credit	355,000,000	506,000,000
Repayments of Lines of Credit	312,000,000	490,000,000
Payment, Tax Withholding, Share-based Payment Arrangement	1,075,000	834,000
Payments for Repurchase of Common Stock	(101,463,000)	0
Payments of Dividends	(2,092,000)	0
Payments to Noncontrolling Interests	5,718,000	1,606,000
Net cash (used in) provided by financing activities	(53,006,000)	135,657,000
Net (decrease) increase in cash and cash equivalents and restricted cash	(26,612,000)	19,368,000
Cash and cash equivalents, beginning of period		19,479,000
Restricted cash, beginning of period	16,388,000	14,156,000
Cash and cash equivalents and restricted cash, beginning of period	93,554,000	33,635,000
Cash and cash equivalents, end of period		21,561,000
Restricted cash, end of period	18,739,000	31,442,000
Cash and cash equivalents and restricted cash, end of period	66,942,000	53,003,000
Supplemental Cash Flow Information [Abstract]
Interest Paid, Excluding Capitalized Interest, Operating Activities	0	0
Income Taxes Paid, Net	63,527,000	32,485,000
Earnest Money Deposits and Pre-acquisition Costs Written-Off	839,000	210,000
Proceeds from Notes Payable	14,472,000	127,000
Repayments of Notes Payable	(44,000)	(2,030,000)
Payments of Debt Issuance Costs	(86,000)	(894,000)
Payments for Repurchase of Redeemable Noncontrolling Interest	0	(106,000)
Payments to Acquire Equity Method Investments	(3,597,000)	(8,000)
Proceeds from Issuance of Senior Long-term Debt	$ 0	$ 125,000,000