Supplemental Guarantor Information Supplemental Guarantor Information - Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	$ (22,633)	$ (32,414)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(460)	(130)
Business acquisition, cost of acquired entity, net of cash acquired		100,763
Acquisition	0	(100,763)
Intercompany Investing	0	0
Investment in joint venture arrangements	(6,041)	(1,890)
Net proceeds from sale of mortgage servicing rights	0	6,335
Net cash provided by (used in) investing activities	(6,501)	(96,448)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Convertible Debt		(65,941)
Proceeds from bank borrowings - homebuilding operations	218,100	233,500
Principal repayments of bank borrowings - homebuilding operations	(116,700)	(71,200)
Net repayment of bank borrowings - financial services operations	(49,142)	(65,484)
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	0	565
Proceeds from exercise of stock options	2,428	426
Intercompany Financing	0	0
Payments for Repurchase of Common Stock	(5,150)	0
Dividends paid	0	0
Net Cash Provided by (Used in) Financing Activities	49,536	30,736
Net increase (decrease) in cash and cash equivalents	20,402	(98,126)
Cash and cash equivalents balance at beginning of period	21,529	151,703
Cash and cash equivalents balance at end of period	41,931	53,577
Consolidation, Eliminations [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	(4,180)	(2,750)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	0	0
Intercompany Investing	1,458	3,176
Investment in joint venture arrangements	0	0
Net proceeds from sale of mortgage servicing rights		0
Net cash provided by (used in) investing activities	1,458	3,176
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Convertible Debt		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
Proceeds from exercise of stock options	0	0
Intercompany Financing	(1,458)	(3,176)
Payments for Repurchase of Common Stock	0
Dividends paid	4,180	2,750
Net Cash Provided by (Used in) Financing Activities	2,722	(426)
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents balance at beginning of period	0	0
Cash and cash equivalents balance at end of period	0	0
Parent Company [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	4,180	2,750
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	0	0
Intercompany Investing	(1,458)	(3,176)
Investment in joint venture arrangements	0	0
Net proceeds from sale of mortgage servicing rights		0
Net cash provided by (used in) investing activities	(1,458)	(3,176)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Convertible Debt		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
Proceeds from exercise of stock options	2,428	426
Intercompany Financing	0	0
Payments for Repurchase of Common Stock	(5,150)
Dividends paid	0	0
Net Cash Provided by (Used in) Financing Activities	(2,722)	426
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents balance at beginning of period	0	0
Cash and cash equivalents balance at end of period	0	0
Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	(72,925)	(96,116)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(427)	(95)
Business acquisition, cost of acquired entity, net of cash acquired		100,763
Intercompany Investing	0	0
Investment in joint venture arrangements	(5,928)	(1,327)
Net proceeds from sale of mortgage servicing rights		0
Net cash provided by (used in) investing activities	(6,355)	(102,185)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Convertible Debt		(65,941)
Proceeds from bank borrowings - homebuilding operations	(218,100)	233,500
Principal repayments of bank borrowings - homebuilding operations	(116,700)	(71,200)
Net repayment of bank borrowings - financial services operations	0	0
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations		565
Proceeds from exercise of stock options	0	0
Intercompany Financing	(792)	1,401
Payments for Repurchase of Common Stock	0
Dividends paid	0	0
Net Cash Provided by (Used in) Financing Activities	100,608	97,195
Net increase (decrease) in cash and cash equivalents	21,328	(101,106)
Cash and cash equivalents balance at beginning of period	5,554	131,522
Cash and cash equivalents balance at end of period	26,882	30,416
Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	50,292	63,702
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(33)	(35)
Business acquisition, cost of acquired entity, net of cash acquired		0
Intercompany Investing	0	0
Investment in joint venture arrangements	(113)	(563)
Net proceeds from sale of mortgage servicing rights		6,335
Net cash provided by (used in) investing activities	(146)	5,737
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Convertible Debt		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	(49,142)	(65,484)
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations		0
Proceeds from exercise of stock options	0	0
Intercompany Financing	2,250	1,775
Payments for Repurchase of Common Stock	0
Dividends paid	(4,180)	(2,750)
Net Cash Provided by (Used in) Financing Activities	(51,072)	(66,459)
Net increase (decrease) in cash and cash equivalents	(926)	2,980
Cash and cash equivalents balance at beginning of period	15,975	20,181
Cash and cash equivalents balance at end of period	$ 15,049	23,161
Parent [Member]
Net Cash Provided by (Used in) Investing Activities [Abstract]
Business acquisition, cost of acquired entity, net of cash acquired		0
Intersegment Eliminations [Member]
Net Cash Provided by (Used in) Investing Activities [Abstract]
Business acquisition, cost of acquired entity, net of cash acquired		$ 0

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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The cash outflow to reacquire common stock during the period.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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