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Stock-Based Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 17, 2015
Mar. 11, 2015
Mar. 02, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Jun. 15, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Trading period used to determine award price       20 days      
Stock-based compensation       $ 305 $ 285 $ 34  
2006 Stock Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares authorized       9,615      
Expiration date       Dec. 31, 2015      
Shares issued to independent directors         3,295 1,494  
2016 Stock Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Maximum number of shares authorized prior to redemption of preferred stock             38,461
Shares issued to independent directors       2,361      
Maximum [Member] | 2016 Stock Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares authorized             461,538
Stock Options [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vested options, outstanding       865      
Vested options, weighted average exercise price       $ 48.945      
Warrants [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock warrants, exercise price       $ 12.48      
Warrants [Member] | Executive Officer [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unrecognized compensation cost       $ 115      
Number of shares called by exercise of warrant     101,213        
Common stock warrants, exercise price $ 12.48 $ 9.88 $ 9.88        
Expiration period       3 years      
Unrecognized compensation cost recognition period       14 months      
Shares purchased with warrants   35,060   66,153      
Warrants [Member] | Executive Officer [Member] | Minimum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Units earned, increments 33.33%            
Warrants [Member] | Executive Officer [Member] | Maximum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Units earned, increments 50.00%            
LTIP [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unrecognized compensation cost       $ 199      
Unrecognized compensation cost recognition period       14 months      
Grants in period     101,213        
Units earned, increments     33.33%        
LTIP [Member] | Share-based Compensation Award, Tranche One [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage     12.50%        
Stock price per share milestone     $ 22.75        
LTIP [Member] | Share-based Compensation Award, Tranche Two [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock price per share milestone     29.25        
LTIP [Member] | Share-based Compensation Award, Tranche Three [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock price per share milestone     $ 35.75        
LTIP [Member] | Executive Officer [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Grants in period     5,263,152