Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
OPERATING ACTIVITIES:
Net income	$ 239,874	$ 127,587	$ 107,663
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Impairment of inventory and abandoned land transaction write-offs	8,435	5,002	5,809
Equity in income from joint venture arrangements	(466)	(311)	(312)
Mortgage loan originations	(1,843,576)	(1,382,695)	(1,200,474)
Net loss (gain) from property disposals	0	(448)	0
Proceeds from the sale of mortgage loans	1,764,845	1,394,841	1,206,167
Fair value adjustment of mortgage loans held for sale	(318)	2,261	(3,764)
Capitalization of originated mortgage servicing rights	(6,048)	(4,684)	(4,550)
Amortization of mortgage servicing rights	2,427	1,547	784
Gain on sale of mortgage servicing rights	(33)	0	(1,224)
Depreciation	12,636	11,691	10,956
Amortization of debt discount and debt issue costs	2,515	2,712	2,791
Loss on early extinguishment of debt	950	0	0
Stock-based compensation expense	7,138	5,846	5,974
Deferred Income Tax Expense	3,448	3,851	4,957
Change in assets and liabilities:
Inventory	(134,941)	(88,358)	(157,573)
Other assets	(17,253)	(2,072)	2,044
Accounts payable	60,643	(6,485)	3,750
Customer deposits	38,173	2,407	1,521
Accrued compensation	9,420	3,944	3,486
Other liabilities	20,465	(11,005)	9,403
Net cash (used in) provided by operating activities	168,334	65,631	(2,592)
INVESTING ACTIVITIES:
Purchase of property and equipment	(11,677)	(4,526)	(8,141)
Acquisition	0	0	(100,960)
Return of Capital from Joint Venture Arrangements	2,477	812	676
Investment in and advances to joint venture arrangements	(28,539)	(30,188)	(31,867)
Proceeds from the sale of mortgage servicing rights	3,869	0	6,335
Proceeds from sale of property	0	6,308	0
Net cash provided by (used in) investing activities	(33,870)	(27,594)	(133,957)
FINANCING ACTIVITIES:
Repayments of Other Debt	(300,000)	0	0
Proceeds from issuance of senior notes	400,000	0	0
Proceeds from issuance of convertible senior subordinated notes	0	0	(65,941)
Proceeds from bank borrowings - homebuilding operations	306,800	696,500	666,600
Repayments of bank borrowings - homebuilding operations	(372,800)	(747,900)	(549,200)
(Net repayment of) net proceeds from bank borrowings - financial services operations	88,730	(16,264)	(15,027)
Proceeds from (principal repayment of) notes payable-other and community development district bond obligations	(1,756)	(110)	(4,638)
Repurchase of common shares	(1,912)	(5,150)	(25,709)
Debt issue costs	(8,705)	(203)	(248)
Proceeds from exercise of stock options	9,906	19,644	538
Net cash provided (used in) by financing activities	120,263	(53,483)	6,375
Net increase (decrease) in cash, cash equivalents and restricted cash	254,727	(15,446)	(130,174)
Cash, Cash Equivalents, and Restricted Cash-Period Start	6,083	21,529	151,703
Cash, Cash Equivalents, and Restricted Cash-Period End	260,810	6,083	21,529
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest — net of amount capitalized	7,811	18,962	17,793
Income taxes	63,666	36,993	25,279
NON-CASH TRANSACTIONS DURING THE PERIOD:
Community development district infrastructure	(5,335)	1,139	(657)
Consolidated inventory not owned	1,980	(11,374)	(2,237)
Distribution of single-family lots from unconsolidated LLC's	29,740	27,672	16,158
Common stock issued for conversion of convertible notes	$ 0	$ 0	$ 20,309