Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Tables)

v3.10.0.1
Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future minimum rental payments for operating leases
Aggregate future minimum payments under these obligations in effect at June 30, 2018 are as follows (in thousands):
Year ended December 31:
 
Operating Leases
 
Capital Spend Commitments
 
Minimum Purchase Commitments
Remainder of 2018
 
$
12,148

 
$
16,393

 
$
19,254

2019
 
18,091

 

 
12,125

2020
 
15,622

 

 
400

2021
 
12,029

 

 
165

2022
 
8,995

 

 

Thereafter
 
6,057

 

 

 
 
$
72,942

 
$
16,393

 
$
31,944

Schedule of letters of credit
The letters of credit are categorized below (in thousands):
 
 
June 30,
 
December 31,
 
 
2018
 
2017
Environmental remediation
 
$
3,582

 
$
3,582

Insurance programs
 
2,486

 
2,486

Rail car commitments
 
455

 
455

Total letters of credit
 
$
6,523

 
$
6,523