XML 85 R72.htm IDEA: XBRL DOCUMENT v3.19.1
Stock-Based Compensation (Narrative) (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
May 17, 2018
shares
Jun. 28, 2017
USD ($)
$ / shares
shares
Mar. 11, 2015
$ / shares
shares
Mar. 02, 2015
$ / shares
employee
shares
Mar. 17, 2015
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Jun. 15, 2016
shares
Mar. 18, 2015
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share awards granted           23,191 96,286    
Unrecognized compensation cost | $           $ 966        
Unrecognized compensation cost recognition period           3 years 1 month 6 days        
Common units redemption to common stock           0.01923%        
Stock-based compensation | $           $ 974 $ 1,237 $ 305    
2006 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares authorized           9,615        
Expiration date           Dec. 31, 2015        
2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of additional shares authorized 300,000                  
Shares available for issuance           601,695        
Vesting period           5 years        
Shares issued to independent directors           11,503 5,369 2,361    
Maximum [Member] | 2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares authorized                 761,538  
Stock Options [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vested options, outstanding               865    
Vested options, weighted average exercise price | $ / shares               $ 48.945    
Market Based Share Awards [Member] | 2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Unrecognized compensation cost | $   $ 1,380                
Market Based Share Awards [Member] | Executive Officer [Member] | 2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares authorized   36,692                
Market price target increments | $ / shares   $ 1                
Trading period used to determine award price   60 days                
Market Based Share Awards [Member] | Executive Officer [Member] | Minimum [Member] | 2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Market price target | $ / shares   $ 11.00                
Market Based Share Awards [Member] | Executive Officer [Member] | Maximum [Member] | 2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Market price target | $ / shares   $ 18.00                
Performance Based Share Awards [Member] | 2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Unrecognized compensation cost | $           $ 169 $ 191      
Additional shares earned per percentage if actual FFO exceeds budgeted FFO   391                
Percentage increment required to earn additional shares   2.00%                
Grant date fair value, assumed percentage of budgeted FFO           100.00%        
Performance Based Share Awards [Member] | Minimum [Member] | 2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Required percentage of budgeted FFO to achieve performance award   85.00%                
Potential shares earned and issued if operating results are obtained   11,741                
Performance Based Share Awards [Member] | Maximum [Member] | 2016 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Required percentage of budgeted FFO to achieve performance award   101.00%                
Potential shares earned and issued if operating results are obtained   19,569                
Additional shares earned per percentage if actual FFO exceeds budgeted FFO   3,910                
Warrants [Member] | Executive Officer [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Expiration date           Mar. 02, 2018        
Number of officers granted share awards | employee       1            
Number of shares called by warrant       101,213            
Common stock warrants, exercise price | $ / shares     $ 9.88 $ 9.88           $ 12.48
Expiration period       3 years            
Shares purchased with warrants     35,060              
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 Common Units [Member] | Executive Officer [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Expiration date           Jun. 28, 2017        
Share awards granted       5,263,152            
Number of officers granted share awards | employee       1            
Units earned, increments       33.33%            
Award vesting date       Mar. 31, 2018            
Common units redemption to common stock       0.01923%            
LTIP Common Units [Member] | Executive Officer [Member] | Share-based Compensation Award, Tranche One [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock price per share milestone | $ / shares       $ 22.75            
LTIP Common Units [Member] | Executive Officer [Member] | Share-based Compensation Award, Tranche Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock price per share milestone | $ / shares       29.25            
LTIP Common Units [Member] | Executive Officer [Member] | Share-based Compensation Award, Tranche Three [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock price per share milestone | $ / shares       $ 35.75            
LTIP Common Units [Member] | Executive Officer [Member] | Maximum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Redemption, number of shares       101,213