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Quarterly Results (Unaudited) (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Jun. 30, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Inventory adjustments NRV |  |  | $ 2,600 |  |  |  |  | $ 2,600 |
Net realizable value adjustments (NRV) - land held for sale |  |  |  |  | $ 81,000 |  | $ 11,489 | 83,576 | $ 1,105
Litigation Settlement, Expense |  |  |  |  |  |  |  |  | 15,000
Impairment Losses Related to Real Estate Partnerships |  |  |  |  | 8,000 |  | 0 | 8,017 | 0
Write-off of insurance receivables |  |  | (9,300) | $ (5,300) |  | $ (15,000) |  |  |
Loss on debt retirements |  |  |  |  |  |  | 0 | 0 | 657
Adjustment to self insurance reserves |  | $ 37,900 | (75,300) |  | (19,800) |  | (35,873) | (97,789) | (57,132)
Write-off of deposits and pre-acquisition costs | $ 9,600 |  |  |  |  |  | 16,992 | 11,367 | 17,157
Reserves provided | 16,200 |  |  |  |  |  | $ 16,130 | (50) | 506
Home Office Relocation [Member] |  |  |  |  |  |  |  |  |
Costs associated with the relocation of corporate headquarters |  |  |  |  |  |  |  |  | $ 8,300
Florida [Member] |  |  |  |  |  |  |  |  |
Product Warranty Expense |  |  |  |  |  |  |  | $ 12,400 |
Land inventory impairments |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold | 66,900 |  | $ 57,500 |  | 31,500 |  |  |  |
NRV adjustments on land held for sale |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold | $ 9,000 |  |  |  | $ 81,000 |  |  |  |

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