Segment Information - Summary of NOI by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Property rentals	$ 120,380	$ 119,413
Other property revenue	6,381	6,455
Total rental revenue	126,761	125,868
Property operating	34,503	32,174
Real estate taxes	18,199	17,235
Total property expense	52,702	49,409
Consolidated NOI	74,059	76,459
Operating Segments \| Commercial Segment
Segment Reporting Information [Line Items]
Property rentals	91,198	96,247
Other property revenue	6,244	6,375
Total rental revenue	97,442	102,622
Property operating	27,943	30,481
Real estate taxes	12,372	12,513
Total property expense	40,315	42,994
Consolidated NOI	57,127	59,628
Operating Segments \| Multifamily
Segment Reporting Information [Line Items]
Property rentals	32,803	28,249
Other property revenue	137	80
Total rental revenue	32,940	28,329
Property operating	10,307	7,967
Real estate taxes	4,738	3,548
Total property expense	15,045	11,515
Consolidated NOI	17,895	16,814
Other
Segment Reporting Information [Line Items]
Property rentals	(3,621)	(5,083)
Total rental revenue	(3,621)	(5,083)
Property operating	(3,747)	(6,274)
Real estate taxes	1,089	1,174
Total property expense	(2,658)	(5,100)
Consolidated NOI	$ (963)	$ 17

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- Definition

Rental Revenue

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- Definition

Amount of expense incurred and directly related to generating revenue from leased and rented property or equipment.

+ References

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-Publisher FASB
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- Definition

Amount of operating lease expense. Excludes sublease income.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.

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- Definition

A tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land).

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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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