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Equity Incentive Plan - 2021 Activity (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Jan. 07, 2021	Mar. 31, 2021	Jun. 30, 2021
LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	153,430	278,806	405,844
Unrecognized compensation costs			$ 4.1
Unrecognized compensation costs, period for recognition			2 years 3 months 18 days
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	4 years
Stock Repurchased and Retired During Period, Shares		34,117	25,840
Granted		75,419	90,304
Unrecognized compensation costs			$ 4.4
Unrecognized compensation costs, period for recognition			2 years 7 months 6 days
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs			$ 8.5
Unrecognized compensation costs, period for recognition			1 year 10 months 24 days
Performance Units Granted in 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	1 year
Performance Units Granted in 2018 \| LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of vested LTIP units and shares	127,671
Stock Repurchased and Retired During Period, Shares	17,731
Granted	124,743
Performance Units Granted in 2018 \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of vested LTIP units and shares	44,591
Performance Units Granted in 2018 \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	6,352