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Retirement Plans (Tables)
12 Months Ended
Dec. 31, 2016
Compensation And Retirement Disclosure [Abstract]  
Schedule of Significant Multiemployer Pension Plans

Information on significant multiemployer pension plans in which the Company participates is included in the table below:

 

 

 

 

Pension Protection Act of 2006 Certified Zone Status at December 31,

 

 

 

Company's Contributions

 

Pension Plan Legal Name

 

Federal Identification Number

 

2016

 

2015

 

Expiration of Collective Bargaining Arrangement with the Company

 

2016

 

 

2015

 

 

2014

 

Seafarers Pension Trust

 

13-6100329  001

 

Green

 

Green

 

February 28, 2018

 

$

1,102

 

 

$

1,005

 

 

$

828