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Debt Debt (Details) $ in Thousands | Jun. 30, 2017 USD ($) | Dec. 31, 2016 USD ($)
--- | --- | ---
Line of Credit Facility [Line Items] |  |
Debt Instrument, Unused Borrowing Capacity, Amount | $ 646,800 |
Notes payable bank - homebuilding operations | 138,000 | $ 40,300
letters of credit outstanding under credit facility | 41,300 |
Maximum borrowing availability subject to limit | 220,700 |
Aggregate Capacity of Secured Letters of Credit under Credit Facility | 2,000 |
Letters of Credit Outstanding Under Letter of Credit Facilities | 622 | 624
Restricted Cash for Secured Letter of Credit Agreements | 629 | $ 630
First Amendment to New Unsecured Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Sub-limit for letters of credit | 125,000 |
Line of Credit Facility, Maximum Borrowing Capacity | 400,000 |
2021 Senior Notes [Member] |  |
Line of Credit Facility [Line Items] |  |
Debt Instrument, Face Amount | $ 300,000 |
Debt Instrument, Interest Rate, Stated Percentage | 6.75% |
2017 Convertible Senior Notes [Member] |  |
Line of Credit Facility [Line Items] |  |
Convertible Subordinated Debt | $ 57,500 |
Debt Instrument, Interest Rate, Stated Percentage | 3.25% |
2018 Convertible Senior Notes [Member] |  |
Line of Credit Facility [Line Items] |  |
Convertible Subordinated Debt | $ 86,250 |
Debt Instrument, Interest Rate, Stated Percentage | 3.00% |
Maximum [Member] | First Amendment to New Unsecured Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Basis Points Spread on Variable Rate - Credit Facility | 250 |
Minimum [Member] | First Amendment to New Unsecured Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Basis Points Spread on Variable Rate - Credit Facility | 150 |

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- Definition Aggregate Capacity of Secured Letters of Credit under Credit Facility + References No definition available. + Details
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- Definition Basis points added to the reference rate to compute the variable rate on the credit facility borrowings. + References No definition available. + Details
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- Definition The amount of letters of credit outstanding under the Company's Credit Facility + References No definition available. + Details
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- Definition Letters of Credit Outstanding Under the Company's Letter of Credit Facilities + References No definition available. + Details
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- Definition Maximum borrowing availability in accordance with the borrowing base calculation, such that the the full commitment amount of the facility was available, less any borrowings and letters of credit outstanding. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition This element represents restricted cash deposits maintained as collateral for outstanding letter of credit arrangements. + References No definition available. + Details
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- Definition Sub-limit for letters of credit + References No definition available. + Details
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Balance Type: | credit
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- Definition Including the current and noncurrent portions, the carrying value of convertible subordinated debt, as of the balance sheet date, initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. This form of debt 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, and places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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