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Equity - Share-based Awards Expensed & Capitalized Amounts (Details) - 2013 Incentive Award Plan - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expensed share-based compensation $ 1,329 $ 991 $ 4,070 $ 2,879
Capitalized share-based compensation 7 38 120 111
Total share-based compensation 1,336 $ 1,029 4,190 $ 2,990
Unrecognized compensation expense related to non-vested shares 7,500   $ 7,500  
Compensation expense not yet capitalized $ 400      
Weighted average remaining vesting period 26 months