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Equity Incentive Plan - Schedule of LTIP unit Awards (Details) - Long Term Incentive Plan Units - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Summary of company's restricted share awards    
Number of Shares, Nonvested at beginning of the period (in shares) 295,551 183,300
Number of shares, granted (in shares) 223,922 112,251
Number of Shares, Vested (in shares) (37,417) 0
Number of Shares, Nonvested at end of the period (in shares) 482,056 295,551
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]    
Weighted - Average Grant Date Fair Value, Nonvested at beginning of the period (in dollars per share) $ 14.36 $ 14.13
Weighted - Average Grant Date Fair Value, Granted (in dollars per share) 19.20 14.73
Weighted - Average Grant Date Fair Value, Vested (in dollars per share) 14.73 0.00
Weighted - Average Grant Date Fair Value, Nonvested at end of the period (in dollars per share) $ 16.58 $ 14.36