Supplemental Guarantor Information Supplemental Guarantor Information - Statements of Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	$ 197,226	$ 977
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(8,465)	(2,626)
Return of capital from joint venture arrangements	1,213	438
Intercompany Investing	0	0
Investment in joint venture arrangements	(24,075)	(23,522)
Net cash provided by (used in) investing activities	(31,327)	(25,710)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes due 2021	(300,000)
Net proceeds from issuance of senior notes	400,000	0
Proceeds from bank borrowings - homebuilding operations	306,800	568,900
Principal repayments of bank borrowings - homebuilding operations	(372,800)	(496,400)
Net repayment of bank borrowings - financial services operations	(785)	(44,574)
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	(503)	(429)
Intercompany Financing	0	0
Payments for repurchase of common stock	(1,912)	(5,150)
Dividends paid	0	0
Debt issue costs	(8,524)	(40)
Proceeds from exercise of stock options	8,254	14,348
Net cash (used in) provided by financing activities	30,530	36,655
Net increase (decrease) in cash, cash equivalents and restricted cash	196,429	11,922
Cash, cash equivalents and restricted cash-Period Start	6,083	21,529
Cash, cash equivalents and restricted cash-Period End	202,512	33,451
Consolidation, Eliminations [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	(9,410)	(9,530)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	0	0
Return of capital from joint venture arrangements	0	0
Intercompany Investing	110,525	18,728
Investment in joint venture arrangements	0	0
Net cash provided by (used in) investing activities	110,525	18,728
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes due 2021	0
Net proceeds from issuance of senior notes	0
Proceeds from bank borrowings - homebuilding operations	0	0
Principal repayments of bank borrowings - homebuilding operations	0	0
Net repayment of bank borrowings - financial services operations	0	0
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	0	0
Intercompany Financing	(104,800)	(18,728)
Payments for repurchase of common stock	0	0
Dividends paid	9,410	9,530
Debt issue costs	0	0
Proceeds from exercise of stock options	0	0
Net cash (used in) provided by financing activities	(95,390)	(9,198)
Net increase (decrease) in cash, cash equivalents and restricted cash	5,725	0
Cash, cash equivalents and restricted cash-Period Start	(5,725)	0
Cash, cash equivalents and restricted cash-Period End	0	0
Parent Company [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	10,360	9,530
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	0	0
Return of capital from joint venture arrangements	0	0
Intercompany Investing	(110,525)	(18,728)
Investment in joint venture arrangements	0	0
Net cash provided by (used in) investing activities	(110,525)	(18,728)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes due 2021	(300,000)
Net proceeds from issuance of senior notes	400,000
Proceeds from bank borrowings - homebuilding operations	0	0
Principal repayments of bank borrowings - homebuilding operations	0	0
Net repayment of bank borrowings - financial services operations	0	0
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	0	0
Intercompany Financing	0	0
Payments for repurchase of common stock	(1,912)	(5,150)
Dividends paid	0	0
Debt issue costs	(6,177)	0
Proceeds from exercise of stock options	8,254	14,348
Net cash (used in) provided by financing activities	100,165	9,198
Net increase (decrease) in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash-Period Start	0	0
Cash, cash equivalents and restricted cash-Period End	0	0
Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	153,255	(48,625)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(8,151)	(2,438)
Return of capital from joint venture arrangements	0	0
Intercompany Investing	0	0
Investment in joint venture arrangements	(24,060)	(23,351)
Net cash provided by (used in) investing activities	(32,211)	(25,789)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes due 2021	0
Net proceeds from issuance of senior notes	0
Proceeds from bank borrowings - homebuilding operations	306,800	568,900
Principal repayments of bank borrowings - homebuilding operations	(372,800)	(496,400)
Net repayment of bank borrowings - financial services operations	0	0
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	(503)	(429)
Intercompany Financing	104,291	16,155
Payments for repurchase of common stock	0	0
Dividends paid	0	0
Debt issue costs	(2,307)	0
Proceeds from exercise of stock options	0	0
Net cash (used in) provided by financing activities	35,481	88,226
Net increase (decrease) in cash, cash equivalents and restricted cash	156,525	13,812
Cash, cash equivalents and restricted cash-Period Start	219	5,554
Cash, cash equivalents and restricted cash-Period End	156,744	19,366
Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	43,021	49,602
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(314)	(188)
Return of capital from joint venture arrangements	1,213	438
Intercompany Investing	0	0
Investment in joint venture arrangements	(15)	(171)
Net cash provided by (used in) investing activities	884	79
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes due 2021	0
Net proceeds from issuance of senior notes	0
Proceeds from bank borrowings - homebuilding operations	0	0
Principal repayments of bank borrowings - homebuilding operations	0	0
Net repayment of bank borrowings - financial services operations	(785)	(44,574)
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	0	0
Intercompany Financing	509	2,573
Payments for repurchase of common stock	0	0
Dividends paid	(9,410)	(9,530)
Debt issue costs	(40)	(40)
Proceeds from exercise of stock options	0	0
Net cash (used in) provided by financing activities	(9,726)	(51,571)
Net increase (decrease) in cash, cash equivalents and restricted cash	34,179	(1,890)
Cash, cash equivalents and restricted cash-Period Start	11,589	15,975
Cash, cash equivalents and restricted cash-Period End	$ 45,768	$ 14,085

The cash outflow from the parent as a source of financing.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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The cash outflow to reacquire common stock during the period.

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Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

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