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Equity Incentive Awards - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
General and Administrative Expense          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense $ 2.7   $ 2.6 $ 5.6 $ 5.0
Restricted Stock | 2014 Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued (in shares)   90,933      
Shares categorized as vesting (percent)   50.00%      
Vesting period   3 years   3 years  
Fair value of shares issued   $ 3.3      
Shares categorized as performance based (percent)   50.00%      
Restricted Stock | 2014 Plan | Share-based Payment Arrangement, Tranche One          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage       33.33%  
Restricted Stock | 2014 Plan | Share-based Payment Arrangement, Tranche Two          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage       33.33%  
Restricted Stock | 2014 Plan | Share-based Payment Arrangement, Tranche Three          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage       33.33%  
Performance Shares | 2014 Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Fair value of shares issued   $ 1.1      
Grants in period (in shares)   15,154