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Capitalized Interest (Tables) | 12 Months Ended
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Dec. 31, 2017
Capitalized Interest Costs, Including Allowance for Funds Used During Construction [Abstract] |
Summary of Interest Costs Incurred, Capitalized, Expensed and Charged to Cost of Sales | NVR’s interest costs incurred, capitalized, expensed and charged to cost of sales during the years ended December 31, 2017, 2016 and 2015 was as follows:
|  | December 31,
|  | 2017 |  | 2016 |  | 2015
Interest capitalized, beginning of year |  | $ | 5,106 |  |  | $ | 4,434 |  |  | $ | 4,072 |
Interest incurred |  | 26,384 |  |  | 25,951 |  |  | 25,155 |
Interest charged to interest expense |  | (24,185 | ) |  | (21,707 | ) |  | (23,559 | )
Interest charged to cost of sales |  | (1,722 | ) |  | (3,572 | ) |  | (1,234 | )
Interest capitalized, end of year |  | $ | 5,583 |  |  | $ | 5,106 |  |  | $ | 4,434 |

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