Summary of Significant Accounting Policies - Inventories and Property (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Land and Other Inventories | |||
| Land and other inventories, impairment assessment | $ 769 | $ 0 | $ 0 |
| Land Improvements | Minimum | |||
| Property and Equipment, net | |||
| Estimated useful lives | 5 years | ||
| Land Improvements | Maximum | |||
| Property and Equipment, net | |||
| Estimated useful lives | 15 years | ||
| Building and Improvements | Minimum | |||
| Property and Equipment, net | |||
| Estimated useful lives | 3 years | ||
| Building and Improvements | Maximum | |||
| Property and Equipment, net | |||
| Estimated useful lives | 40 years | ||
| Machinery, Equipment and Fixtures | Minimum | |||
| Property and Equipment, net | |||
| Estimated useful lives | 2 years | ||
| Machinery, Equipment and Fixtures | Maximum | |||
| Property and Equipment, net | |||
| Estimated useful lives | 10 years | ||