Supplemental Disclosure of Cash Flow Information (Details) - USD ($) $ in Thousands  | 
6 Months Ended | |
|---|---|---|
Jun. 30, 2015  | 
Jun. 30, 2014  | 
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| Cash paid during the period for: | ||
| Interest, net of interest capitalized | $ 4,061 | $ 2,413 | 
| Income taxes | 27,227 | 41,519 | 
| Non-cash operating activities: | ||
| Real estate not owned (decrease)/increase | (4,999) | 4,710 | 
| Real estate acquired through notes payable | $ 7,143 | $ 1,043 | 
| X | ||||||||||
- Definition Cash flow noncash operating activities disclosure. No definition available. 
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| X | ||||||||||
- Definition This item represents the total net increase or decrease in consolidated inventory not owned related to land options. No definition available. 
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| X | ||||||||||
- Definition This item represents the total net increase or decrease in real estate acquired through notes payable. No definition available. 
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| X | ||||||||||
- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
- Definition The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
- References No definition available. 
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