| 
           Acquisitions and Goodwill Details Textual (Details) (USD $) 
         | 
        9 Months Ended | 12 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|---|
| 
           Sep. 30, 2014 
         | 
        
           Sep. 30, 2013 
         | 
        
           Dec. 31, 2013 
         | 
        
           Jan. 01, 2013 
         | 
        
           Sep. 30, 2014
 
          Legendary Communities Acquisition [Member] 
         | 
        
           Aug. 01, 2014
 
          Legendary Communities Acquisition [Member] 
         | 
      |
| Cash paid for acquisitions | $ 130,677,000 | $ 18,379,000 | $ (130,700,000) | |||
| Business Acquisition Estimated Earn Out | 10,000,000 | |||||
| Goodwill, Acquired During Period | 22,715,000 | 10,247,000 | ||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory | 108,000,000 | |||||
| Goodwill | $ 32,962,000 | $ 10,247,000 | $ 0 | |||
| X | ||||||||||
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- Definition 
          For compensation arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. No definition available. 
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| X | ||||||||||
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- Definition 
          The amount of inventory recognized as of the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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