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Equity Incentive Plan - 2020 Activity (Details) - USD ($) $ in Millions				3 Months Ended	6 Months Ended
	Feb. 13, 2020	Jan. 08, 2020	Jan. 07, 2019	Mar. 31, 2020	Jun. 30, 2020
LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted		136,741		364,173	278,806
Unrecognized compensation costs					$ 6.5
Unrecognized compensation costs, period for recognition					2 years 6 months
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	4 years	4 years
Stock Repurchased and Retired During Period, Shares				28,504	33,119
Granted				110,830	75,419
Unrecognized compensation costs					$ 4.2
Unrecognized compensation costs, period for recognition					2 years 8 months 12 days
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs					$ 8.6
Unrecognized compensation costs, period for recognition					2 years
Performance Units Granted in 2017 [Domain] \| LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Issuance of vested LTIP units and shares		76,096
Stock Repurchased and Retired During Period, Shares		18,241
Granted		65,969
Performance Units Granted in 2017 [Domain] \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of vested LTIP units and shares		46,376
Performance Units Granted in 2017 [Domain] \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Granted		3,398