Equity - Stock Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions							1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	May 04, 2023	Apr. 01, 2023	Mar. 28, 2023	Mar. 01, 2023	Mar. 18, 2022	Mar. 11, 2022	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restricted stock
Stock-based incentive plan awards
Compensation expense, net of capitalization										$ 7.9	$ 4.8
Restricted stock | Employees
Stock-based incentive plan awards
Vesting service period		3 years
Awards granted (in units)		218,456
Weighted average fair value of shares granted during the year (in dollars per share)		$ 111.97
Restricted stock | Non-employee Director
Stock-based incentive plan awards
Vesting service period	1 year		1 year
Awards granted (in units)	17,182		165
Weighted average fair value of shares granted during the year (in dollars per share)	$ 107.59		$ 103.30
2019 Stock Incentive Plan | Time Based Restricted Stock Units
Stock-based incentive plan awards
Vesting rights each year beginning 2022 (as a percent)													33.33%
Vesting service period				3 years					3 years			3 years	3 years
Awards granted (in units)				64,852					52,673			37,976	312,263
Grant date fair value				$ 7.9					$ 6.9			$ 4.3	$ 26.3
Weighted average fair value of shares granted during the year (in dollars per share)				$ 121.25	$ 130.84	$ 130.05						$ 112.92	$ 84.37
LTIP programs
Stock-based incentive plan awards
Percent of distributions of Operating Partnership that participants are entitled to receive during performance period										10.00%
Compensation expense, net of capitalization										$ 12.2	$ 10.7
2019 LTIP program | LTIP Units
Stock-based incentive plan awards
Performance period														3 years
Units earned (in shares)							72,442
2021 LTIP program | LTIP Units
Stock-based incentive plan awards
Performance period												3 years
Grant date fair value										5.7
Grant date target value										12.2
2021 LTIP program | Time Based Restricted Stock Units | Maximum
Stock-based incentive plan awards
Grant date fair value												$ 18.4
2022 LTIP program | LTIP Units
Stock-based incentive plan awards
Performance period									3 years
Grant date target value										13.7
2022 LTIP program | LTIP Units | Maximum
Stock-based incentive plan awards
Grant date fair value									$ 20.6
2023 LTIP program | LTIP Units
Stock-based incentive plan awards
Performance period								3 years
Grant date target value										$ 23.6
2023 LTIP program | LTIP Units | Maximum
Stock-based incentive plan awards
Grant date fair value								$ 42.5