Supplemental Guarantor Information Supplemental Guarantor Information - Statements of Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	$ 10,617	$ (20,925)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(1,599)	(4,615)
Acquisition, net of cash acquired	0	(100,960)
Intercompany Investing	0	0
Investment in joint venture arrangements	(15,281)	(4,321)
Return of capital from Investment in joint venture arrangements	150	676
Net proceeds from sale of mortgage servicing rights	0	6,335
Net cash provided by (used in) investing activities	(16,730)	(102,885)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Convertible Debt		(65,941)
Proceeds from bank borrowings - homebuilding operations	374,500	353,900
Principal repayments of bank borrowings - homebuilding operations	(317,600)	(172,100)
Net repayment of bank borrowings - financial services operations	(49,165)	(75,032)
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	(845)	(1,214)
Proceeds from exercise of stock options	3,277	426
Intercompany Financing	0	0
Payments for repurchase of common stock	(5,150)	0
Dividends paid	0	0
Debt issue costs	(40)	(115)
Net Cash Provided by (Used in) Financing Activities	4,977	39,924
Net increase (decrease) in cash, cash equivalents and restricted cash	(1,136)	(83,886)
Cash, cash equivalents and restricted cash balance at beginning of period	21,529	151,703
Cash, cash equivalents and restricted cash balance at end of period	20,393	67,817
Consolidation, Eliminations [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	(5,130)	(5,750)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	0	0
Acquisition, net of cash acquired		0
Intercompany Investing	3,257	6,176
Investment in joint venture arrangements	0	0
Return of capital from Investment in joint venture arrangements	0	0
Net proceeds from sale of mortgage servicing rights		0
Net cash provided by (used in) investing activities	3,257	6,176
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	0
Proceeds from exercise of stock options	0	0
Intercompany Financing	(3,257)	(6,176)
Payments for repurchase of common stock	0
Dividends paid	5,130	5,750
Debt issue costs	0	0
Net Cash Provided by (Used in) Financing Activities	1,873	(426)
Net increase (decrease) in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash balance at beginning of period	0	0
Cash, cash equivalents and restricted cash 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	5,130	5,750
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	0	0
Acquisition, net of cash acquired		0
Intercompany Investing	(3,257)	(6,176)
Investment in joint venture arrangements	0	0
Return of capital from Investment in joint venture arrangements	0	0
Net proceeds from sale of mortgage servicing rights		0
Net cash provided by (used in) investing activities	(3,257)	(6,176)
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	0
Proceeds from exercise of stock options	3,277	426
Intercompany Financing	0	0
Payments for repurchase of common stock	(5,150)
Dividends paid	0	0
Debt issue costs	0	0
Net Cash Provided by (Used in) Financing Activities	(1,873)	426
Net increase (decrease) in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash balance at beginning of period	0	0
Cash, cash equivalents and restricted cash 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	(41,562)	(95,387)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(1,411)	(4,449)
Acquisition, net of cash acquired		(100,960)
Intercompany Investing	0	0
Investment in joint venture arrangements	(15,119)	(3,485)
Return of capital from Investment in joint venture arrangements	0	0
Net cash provided by (used in) investing activities	(16,530)	(108,894)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Convertible Debt		(65,941)
Proceeds from bank borrowings - homebuilding operations	374,500	353,900
Principal repayments of bank borrowings - homebuilding operations	(317,600)	(172,100)
Net repayment of bank borrowings - financial services operations	0	0
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	(845)	(1,214)
Proceeds from exercise of stock options	0	0
Intercompany Financing	(44)	8,862
Payments for repurchase of common stock	0
Dividends paid	0	0
Debt issue costs	0	(75)
Net Cash Provided by (Used in) Financing Activities	56,011	123,432
Net increase (decrease) in cash, cash equivalents and restricted cash	(2,081)	(80,849)
Cash, cash equivalents and restricted cash balance at beginning of period	5,554	131,522
Cash, cash equivalents and restricted cash balance at end of period	3,473	50,673
Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	52,179	74,462
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(188)	(166)
Acquisition, net of cash acquired		0
Intercompany Investing	0	0
Investment in joint venture arrangements	(162)	(836)
Return of capital from Investment in joint venture arrangements	150	676
Net proceeds from sale of mortgage servicing rights		6,335
Net cash provided by (used in) investing activities	(200)	6,009
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	(49,165)	(75,032)
Proceeds from (principal repayments of) notes payable-other and CDD bond obligations	0	0
Proceeds from exercise of stock options	0	0
Intercompany Financing	3,301	(2,686)
Payments for repurchase of common stock	0
Dividends paid	(5,130)	(5,750)
Debt issue costs	(40)	(40)
Net Cash Provided by (Used in) Financing Activities	(51,034)	(83,508)
Net increase (decrease) in cash, cash equivalents and restricted cash	945	(3,037)
Cash, cash equivalents and restricted cash balance at beginning of period	15,975	20,181
Cash, cash equivalents and restricted cash balance at end of period	$ 16,920	$ 17,144

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

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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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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The cash outflow to reacquire common stock during the period.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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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 outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from bank borrowing during the year.

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The cash inflow from the sale of servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. Rights may be obtained via (1) acquisition or assumption of a servicing obligation that does not relate to financial assets of the servicer or its consolidated affiliates; or (2) by originating mortgage loans and then (a) transferring the loans to a Variable Interest Entity (VIE) in a transaction that meets the necessary transfer and classification requirements, or (b) transferring the loans in a transaction that meets the requirements for sale accounting.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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