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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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- Definition

Change in the number of units for each class of partners' capital accounts during the year due to acquisitions. Partners include general, limited and preferred partners.

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- Definition

Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Beneficiaries Equity of the Parent Company - Textual (Details) - USD ($)		3 Months Ended		9 Months Ended
	Sep. 14, 2021	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Jan. 03, 2019
Class of Stock [Line Items]
Dividends, common stock	$ 32,800,000
Share repurchase, authorized amount						$ 150,000,000
Shares repurchased and retired (in shares)				0	6,248,483
Share price (in dollars per share)					$ 9.60
Value of stock repurchased and retired		$ 6,141,000	$ 53,858,000		$ 60,000,000.0
One and Two Commerce Square
Class of Stock [Line Items]
Units issued to acquire noncontrolling interest				226,695
Percent of noncontrolling interest acquired				1.00%
Dividend declared
Class of Stock [Line Items]
Dividends payable (in dollars per share)	$ 0.19
Redeemable Common Limited Partnership Units
Class of Stock [Line Items]
Redeemable common limited partnership units (in shares)				823,983	981,634