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Income Taxes (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
state_and_local_jurisdiction
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Mar. 31, 2015
USD ($)
Income Tax Disclosure [Abstract]        
Intraperiod tax allocated to tax benefit from operations     $ 2,303  
Operating Loss Carryforwards [Line Items]        
Unrecognized tax benefits that would impact effective tax rate $ 17      
Unrecognized tax benefits 32      
Penalties and interest accrued 15 $ 0    
Penalties and interest expense $ 15 $ 0    
Internal Revenue Service (IRS) [Member]        
Operating Loss Carryforwards [Line Items]        
Number of States and Local Jurisdictions in which Entity Files Tax Returns | state_and_local_jurisdiction 18      
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards       $ 5,422
Income tax examination, statute of limitations (in years) 3 years      
Memphis and Evansville [Member] | State and Local Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards       $ 44,202
Minimum [Member] | State and Local Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]        
Operating Loss Carryforwards [Line Items]        
Income tax examination, statute of limitations (in years) 3 years      
Maximum [Member] | State and Local Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]        
Operating Loss Carryforwards [Line Items]        
Income tax examination, statute of limitations (in years) 4 years