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Other Assets (Tables)
 3 Months Ended
Mar. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Assets
Other assets consist of the following (in thousands):
 
March 31,
2016
 
December 31,
2015
Investments
$
9,049

 
$
10,106

Senior credit facility debt issuance costs, net of amortization
3,012

 
3,131

Utility deposits
4,796

 
—

Other
296

 
—

Total other assets
$
17,153

 
$
13,237