Share Based Compensation - Additional Information (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) Multiplier Installments $ / shares shares	Dec. 31, 2021 USD ($) Multiplier Installments $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting, percentage	33.30%	50.00%
2003 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total remaining number of common shares to be issued | shares	149,835
Time Based Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate compensation expense	$ 1,200,000	$ 2,500,000
Aggregate fair value of shares granted			$ 4,600,000
Unrecognized compensation expense	$ 100,000
CEO Time Based Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average closing price common share traded period		60 days
Vest in equal installments | Installments		3
Number of awards granted | shares		53,355
Weighted average grant date fair value | $ / shares		$ 25.65
2021 PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate compensation expense		$ 300,000
Award modification measurement period based on total shareholder return		3 years
Award modification measurement period based on total shareholder return start date		Jan. 01, 2021
Award modification measurement period based on total shareholder return end date		Dec. 31, 2023
Share-based payment arrangement performance level multiplier | Multiplier		1.0
Number of awards granted | shares		102,967
2021 PSUs | Core Mall Occupancy
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period		3 years
2021 PSUs | Corporate Debt Yield
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period		3 years
2021 PSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement performance level multiplier | Multiplier		0.5
2021 PSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement performance level multiplier | Multiplier		2.0
2020 RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance measures of core mall non-anchor occupancy period	3 years
Performance measure fixed charge coverage ratio period	3 years
Performance measure of core mall non-anchor occupancy weighted percentage	50.00%
Performance measures of fixed charge coverage ratio weighted percentage	50.00%
2022 PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate compensation expense	$ (300,000)
Award modification measurement period based on total shareholder return	3 years
Award modification measurement period based on total shareholder return start date	Jan. 01, 2022
Award modification measurement period based on total shareholder return end date	Dec. 31, 2024
Share-based payment arrangement performance level multiplier | Multiplier	1.0
Number of awards granted | shares	236,575
2022 PSUs | Core Mall Occupancy
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period	3 years
2022 PSUs | Corporate Debt Yield
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period	3 years
2022 PSUs | Core Mall Sales Per Square Foot
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period	3 years
2022 PSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement performance level multiplier | Multiplier	0.5
2022 PSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement performance level multiplier | Multiplier	2.0
Restricted Share Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate compensation expense	$ 800,000	$ 1,900,000
Shares vest over period	3 years
Shares issued | shares	0	0
Non-Employee Trustees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate compensation expense	$ 2,600,000	$ 4,600,000
Accrued amortization relating to employee separation	50,000.00	100,000
Income tax benefit for share based compensation arrangements	0
Non-Employee Trustees | Accrued Expenses and Other Liabilities
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Liability awards	500,000	1,200,000
Non-Employee Trustees | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs capitalized	1,000	10,000
Non-Employee Trustees | Time Based Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate compensation expense	70,000.00	500,000
Aggregate fair value of shares granted	$ 900,000	$ 800,000
Shares vest over period	1 year
Number of awards granted | shares			40,884
Weighted average grant date fair value | $ / shares	$ 5.95	$ 31.05
Fair value of shares vested	$ 200,000	$ 700,000
Non-Employee Trustees | Time Based Restricted Share Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 0
Non-Employee Trustees | Restricted Share Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted | shares	155,186	24,738
Employees | Time Based Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrued amortization relating to employee separation	$ 50,000.00	$ 60,000.00
Aggregate fair value of shares granted			$ 3,900,000
Number of awards granted | shares			113,775
Weighted average grant date fair value | $ / shares			$ 48.30
Fair value of shares vested	500,000	1,600,000
Employees | Time Based Restricted Stock Awards | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period			1 year
Employees | Time Based Restricted Stock Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period			3 years
Employees | Outperformance Units ("OPUs")
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate compensation expense	$ 700,000	4,200,000
Number of shares vested | shares	53,114,000
Number of awards granted | shares	70,208
Employees | Outperformance Units ("OPUs") | Vest Immediately
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting, percentage	50.00%
Employees | Outperformance Units ("OPUs") | Subject to an Additional One-year Vesting Requirement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period	1 year
Awards vesting, percentage	25.00%
Employees | Outperformance Units ("OPUs") | Subject to an Additional Two-year Vesting Requirement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vest over period	2 years
Awards vesting, percentage	25.00%
Employees | Time Based Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate compensation expense	$ 10,000.00	600,000
Accrued amortization relating to employee separation	10,000.00	10,000.00
Aggregate fair value of shares granted	$ 4,100,000	$ 2,800,000
Vest in equal installments | Installments	3
Number of awards granted | shares	322,531	94,494
Weighted average grant date fair value | $ / shares	$ 12.75	$ 29.25
Director | Time Based Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vest in equal installments | Installments	2