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Commitments and Contingencies Estimate of Future Net Minimum Lease Payments (Tables)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Estimate of Future Net Minimum Lease Payments
An estimate of future net minimum lease payments in each of the next five years ending December 31, and the periods thereafter, is as follows:
 
 
Amount
2015
 
$
5,679

2016
 
533

2017
 
533

2018
 
533

2019
 
416

All later years
 
324

 
 
$
8,018