XML 18 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary Of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2013
Summary Of Significant Accounting Policies [Abstract]  
Inventory By Class

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(All Amounts in Thousands)

 

For the Years Ended December 31,

Inventory Classes

 

 

2013

 

 

2012

Spare Parts Inventory

 

$
3,968 

 

$
3,652 

Fuel Inventory

 

 
4,627 

 

 
4,633 

Warehouse Inventory

 

 
2,691 

 

 
3,562 

 

 

$
11,286 

 

$
11,847 

 

Estimated Useful Lives Of Property And Equipment

 

 

 

 

 

Jones Act

 

 

 

 

 
1 

Coal Carrier

 

15

 
2 

Bulk Carriers

 

25

 
1 

Harbor Tug

 

20

 
3 

ATB Barge and Tug Units

 

9-30

 
1 

ITB Barge and Tug Unit

 

9-30

Pure Car Truck Carriers

 

 

 

 

 
4 

Pure Car/Truck Carriers

 

20-25

Rail-Ferry

 

 

 

 

 
2 

Special Purpose Vessels

 

25

 

 

Building

 

15-25

Dry Bulk Carriers

 

 

 

 

 
5 

Bulk Carriers

 

25

Specialty Contracts

 

 

 

 

 
1 

Tanker

 

25

 
1 

Multi-Purpose Ice Strengthened

 

25

Other

 

 

 

 

 

 

Leasehold Improvements

 

10-20

 

 

Other Equipment

 

3-12

 

 

Furniture and Equipment

 

3-10