Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT

v3.8.0.1
PROPERTY, PLANT AND EQUIPMENT
 12 Months Ended
Dec. 31, 2017
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
 
2017
 
2016
 
(in Years)
 
 
 
 
Land
-
 
$
4,972

 
$
10,463

Buildings
25
 
34,653

 
65,894

Machinery and equipment
3 to 25
 
141,704

 
238,029

Furniture and fixtures
3 to 5
 
4,450

 
5,570

Transportation equipment
3 to 5
 
2,667

 
3,814

Improvements
15
 
42,975

 
128,437

Construction in progress
-
 
96

 
5,303

Total cost
 
 
231,517

 
457,510

Less accumulated depreciation
 
 
142,618

 
251,288

Net book value
 
 
$
88,899

 
$
206,222


We lease certain equipment used in the normal course under month-to-month lease agreements cancelable only by us. During 2017, 2016, and 2015, we expensed $1.0 million, $2.5 million, and $5.9 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 expires on January 31, 2020. We also lease and/or sublease facilities in Lake Charles, Jennings and Houma, Louisiana. See Note 11 "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
2018
$
572

2019
379

2020
388

2021
396

2022
405

Thereafter
869

Total
$
3,009