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Equity Incentive Plan - Schedule of LTIP Unit Awards (Details) - Long Term Incentive Plan Units - $ / shares
12 Months Ended
Jun. 01, 2015
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Number of Shares, Nonvested at beginning of the period (in shares)   476,398 482,056 295,551
Number of Shares, Granted (in shares) 183,300 221,853 244,917 223,922
Number of Shares, Vested (in shares)   (99,931) (67,275) (37,417)
Number of shares forfeited (in shares)   0 (183,300) 0
Number of Shares, Nonvested at end of the period (in shares)   598,320 476,398 482,056
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)   $ 17.73 $ 16.58 $ 14.36
Weighted - Average Grant Date Fair Value, Granted (in dollars per share) $ 14.13 18.73 16.94 19.20
Weighted - Average Grant Date Fair Value, Vested (in dollars per share)   16.55 16.42 14.73
Weighted - Average Grant Date Fair Value, Forfeited (in dollars per share)   0 14.13 0
Weighted - Average Grant Date Fair Value, Nonvested at end of the period (in dollars per share)   $ 18.30 $ 17.73 $ 16.58