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Inventory (Tables) | 9 Months Ended
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Sep. 30, 2018
Inventory Disclosure [Abstract] |
Components of Inventory | Major components of inventory were as follows ($000’s omitted):
| September 30, 2018 |  | December 31, 2017
Homes under construction | $ | 2,992,687 |  |  | $ | 2,421,405 |
Land under development | 4,002,007 |  |  | 4,135,814 |
Raw land | 494,760 |  |  | 589,911 |
| $ | 7,489,454 |  |  | $ | 7,147,130 |
Capitalized Interest Rollforward | Information related to interest capitalized into inventory is as follows ($000’s omitted):
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Interest in inventory, beginning of period | $ | 243,627 |  |  | $ | 212,850 |  |  | $ | 226,611 |  |  | $ | 186,097 |
Interest capitalized | 42,743 |  |  | 46,077 |  |  | 130,474 |  |  | 135,949 |
Interest expensed | (43,583 | ) |  | (36,381 | ) |  | (114,298 | ) |  | (99,500 | )
Interest in inventory, end of period | $ | 242,787 |  |  | $ | 222,546 |  |  | $ | 242,787 |  |  | $ | 222,546 |
Schedule Of Company Interests In Land Option Agreements | The following provides a summary of our interests in land option agreements as of September 30, 2018 and December 31, 2017 ($000’s omitted):
| September 30, 2018 |  | December 31, 2017
| Deposits and Pre-acquisition Costs |  | Remaining Purchase Price |  | Deposits and Pre-acquisition Costs |  | Remaining Purchase Price
Land options with VIEs | $ | 85,173 |  |  | $ | 1,167,087 |  |  | $ | 78,889 |  |  | $ | 977,480 |
Other land options | 159,395 |  |  | 1,571,768 |  |  | 129,098 |  |  | 1,485,099 |
| $ | 244,568 |  |  | $ | 2,738,855 |  |  | $ | 207,987 |  |  | $ | 2,462,579 |
Schedule Of Impairment Losses | We incurred the following land-related charges in the second quarter of 2017 ($000's omitted):
| Statement of Operations Classification |  |
Net realizable value adjustments ("NRV") - land held for sale | Land sale cost of revenues |  | $ | 81,006 |
Land inventory impairments | Home sale cost of revenues |  | 31,487 |
Impairments of unconsolidated entities | Other expense, net |  | 8,017 |
Write-offs of deposits and pre-acquisition costs | Other expense, net |  | 5,063 |
Total land-related charges |  |  | $ | 125,573 |
Schedule of Fair Value Inputs | The table below summarizes certain quantitative unobservable inputs utilized in determining the fair value of the assets for which the impairments were recorded in the second quarter of 2017:
| Range
Average selling price ($000s) |  | $253 | to | $461
Sales pace per quarter (units) |  | 5 | to | 9
Discount rate |  | 18% | to | 25%

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