Annual report pursuant to Section 13 and 15(d)

EQUITY-BASED AWARDS - Narrative (Details)

v3.6.0.2
EQUITY-BASED AWARDS - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended 24 Months Ended 48 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2016
Dec. 31, 2016
LTIP units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate fair value of LTIP units vested during period $ 1.2 $ 2.7 $ 1.5      
Total compensation cost recognized 2.5 $ 3.0 $ 1.5      
Unvested compensation cost not yet recognized $ 2.9       $ 2.9 $ 2.9
Recognition period on unvested shares 2 years          
2013 Long-Term Incentive Plan [Member] | LTIP units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Maximum number of shares authorized under 2013 equity incentive plan (in shares) 2,500,000       2,500,000 2,500,000
Total shares issued (in shares)           2,474,710
Granted (in shares) 177,546 6,000 378,550      
2015 Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percent of shares outstanding issuable 5.00%          
2015 Plan [Member] | LTIP units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total shares issued (in shares)           177,546
2015 Plan [Member] | Restricted Common Shares [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Recognition period on unvested shares 2 years          
Restricted common shares granted (in shares) 8,090 17,210     25,300  
Vesting period for restricted common shares         2 years 8 months  
Aggregate fair value and total compensation cost of vested shares $ 0.1 $ 0.1        
Compensation cost not yet recognized on unvested restricted common shares 0.2       $ 0.2 $ 0.2
LP Agreement [Member] | LTIP units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total shares issued (in shares)           312,809
Participating Regional Operator [Member] | Management [Member] | 2013 Long-Term Incentive Plan [Member] | LTIP units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate fair value of LTIP units vested during period $ 0.8 $ 1.4 $ 3.7      
Granted (in shares)       1,683,560    
Acquisition Consultants [Member] | LP Agreement [Member] | LTIP units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares issued for services (in shares) 2,758 88,981 221,070      
Shares issued for services $ 0.1 $ 1.0 $ 2.1