Property, Plant and Equipment, Net (Tables)
 12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment, Net
 
As of December 31,
 
2016
 
2015
Plant, machinery, furniture and fixtures
$
314,880

 
$
305,763

Building and leasehold improvements
14,420

 
14,698

Land and land improvements
60,863

 
60,687

Construction in progress
8,451

 
6,660

Property, plant and equipment, gross
398,614

 
387,808

Less: accumulated depreciation
(147,513
)
 
(136,899
)
Property, plant and equipment, net
$
251,101

 
$
250,909
Schedule of Property, Plant and Equipment Include Amounts for Capital Leases
Property, plant and equipment include the following amounts under capital leases: 
 
As of December 31,
 
2016
 
2015
Plant, machinery, furniture and fixtures
$
16,664

 
$
16,457

Building and leasehold improvements
4,719

 
4,719

Land and land improvements
251

 
251

Property, plant and equipment, gross
21,634

 
21,427

Less: accumulated amortization
(10,186
)
 
(9,572
)
Property, plant and equipment, net
$
11,448

 
$
11,855