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Stock-based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended					9 Months Ended		12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	May 16, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 2,578	$ 2,578
Share-based comepnsation expense, accelerated cost				$ 16,211
Performance Conditioned AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Threshold percentage to satisfy performance based condition (percent)						110.00%
Weighted average grant date fair value (in usd per share)						$ 64.48
Threshold period to satisfy performance based condition (in days)						20 days
Stock options expiration term (years)						10 years
Grant-date fair value		8,983				$ 8,983
Share-based compensation expense						7,481
Share-based compensation, amount capitalized						$ 1,502
Grant amortization period (years)						4 years
Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 2,578										$ 8,477
General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		5,871			$ 5,545	$ 48,045	$ 26,190
2019 Omnibus Share Plan \| Not Full Value Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)												5,500,000
2019 Omnibus Share Plan \| Full Value Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)												11,000,000
2019 Omnibus Share Plan \| Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 2,401							$ 2,655	$ 7,718	$ 9,603	$ 9,603
Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant-date fair value		25,500				25,500
Executive Officer \| General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		1,413				6,729
Executive Officer \| 2019 Omnibus Share Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant-date fair value		15,000				$ 15,000
Vesting period (in years)						4 years
Executive Officer \| 2019 Omnibus Share Plan \| General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 988				$ 1,317
Share-based Payment Arrangement, Tranche One \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage						20.00%
Share-based Payment Arrangement, Tranche Two \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage						40.00%
Share-based Payment Arrangement, Tranche Three \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage						40.00%