Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT

v3.6.0.2
PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment consisted of the following at December 31, (in thousands):
 
Estimated
Useful Life
 
2016
 
2015
 
(in Years)
 
 
 
 
Land
-
 
$
10,463

 
$
10,463

Buildings
25
 
65,894

 
64,154

Machinery and equipment
3 to 25
 
238,029

 
223,521

Furniture and fixtures
3 to 5
 
5,570

 
5,354

Transportation equipment
3 to 5
 
3,814

 
3,481

Improvements
15
 
128,437

 
127,727

Construction in progress
-
 
5,303

 
2,488

Total cost
 
 
457,510

 
437,188

Less accumulated depreciation
 
 
251,288

 
236,804

Net book value
 
 
$
206,222

 
$
200,384


We lease certain equipment used in the normal course under month-to-month lease agreements cancelable only by us. During 2016, 2015, and 2014, we expensed $2.5 million, $5.9 million, and $5.6 million, respectively, related to these leases.
We lease our corporate office and parking facilities located in Houston, Texas. Leased premises consist of office space of approximately 8,000 square feet. The term of the lease matures on January 31, 2020. We also lease and/or sublease facilities in Lake Charles, Jennings and Houma, Louisiana. See note 2 "LEEVAC Transaction" for additional description of these leases. The schedule of minimum rental payments under our leases/sublease is as follows (in thousands):
 
Minimum Payments
2017
$
852

2018
439

2019
325

2020
115

2021
96

Thereafter
295

Total
$
2,122