|
Schedule of Assets Impaired and Impairment Loss Recognized (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2014
|
|
| Long Lived Assets Held-for-sale [Line Items] | |||
| Estimated fair market value | $ 92,000 | ||
| Property, plant and equipment, net | 116,735 | 113,175 | |
| Impairment loss | (64,726) | (283) | |
| Wood mobile offices in rental fleet | |||
| Long Lived Assets Held-for-sale [Line Items] | |||
| Property, plant and equipment, net | 155,558 | ||
| Ancillary items in property, plant and equipment | |||
| Long Lived Assets Held-for-sale [Line Items] | |||
| Property, plant and equipment, net | $ 1,168 | ||