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Other Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Investments $ 9,049 $ 10,106
Senior credit facility debt issuance costs, net of amortization 3,012 3,131
Utility deposits 4,796 0
Other 296 0
Total other assets $ 17,153 $ 13,237