XML 41 R31.htm IDEA: XBRL DOCUMENT v3.10.0.1
Inventory Inventory (Summary of Land-related Charges) (Details) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Jun. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Inventory Disclosure [Abstract]          
Net realizable value adjustments (NRV) - land held for sale     $ 81,006    
Land inventory impairments     31,487 $ 13,973 $ 131,254
Impairments of unconsolidated entities     8,017   8,000
Write-offs of deposits and pre-acquisition costs $ 3,136 $ 2,680 5,063 7,398 9,397
Total land-related charges $ 8,133 $ 2,146 $ 125,573 $ 13,973 $ 131,254