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Summary of Significant Accounting Policies - Schedule of Rental Income Detail by Leasing and Revenue Recognition Standards Along with Percentages of Rental Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Leasing standard | $ 2,608,103 |  |
Percentage of rental income | 100.00% | 100.00% |
Rental income | $ 2,700,691 | $ 2,577,681 | $ 2,470,689
Percentage of rental income | 100.00% | 100.00% |
Residential and Retail Rent [Member] |  |  |
Leasing standard | $ 2,486,189 |  |
Utility Recoveries ("RUBS") [Member] |  |  |
Leasing standard | 68,576 |  |
Storage Rent [Member] |  |  |
Leasing standard | 3,816 |  |
Pet Rent [Member] |  |  |
Leasing standard | 11,617 |  |
Accounting Standards Update 2016-02 [Member] |  |  |
Leasing standard | $ 2,608,103 | $ 2,481,386 |
Percentage of rental income | 96.60% | 96.30% |
Percentage of rental income | 96.60% | 96.30% |
Accounting Standards Update 2016-02 [Member] | Residential and Retail Rent [Member] |  |  |
Leasing standard | $ 2,486,189 | $ 2,369,552 |
Accounting Standards Update 2016-02 [Member] | Utility Recoveries ("RUBS") [Member] |  |  |
Leasing standard | 68,576 | 63,218 |
Accounting Standards Update 2016-02 [Member] | Parking Rent [Member] |  |  |
Leasing standard | 37,905 | 33,757 |
Accounting Standards Update 2016-02 [Member] | Storage Rent [Member] |  |  |
Leasing standard | 3,816 | 3,674 |
Accounting Standards Update 2016-02 [Member] | Pet Rent [Member] |  |  |
Leasing standard | $ 11,617 | $ 11,185 |
Accounting Standards Update 2014-09 [Member] |  |  |
Percentage of rental income | 3.40% | 3.70% |
Rental income | $ 92,588 | $ 96,295 |
Percentage of rental income | 3.40% | 3.70% |
Accounting Standards Update 2014-09 [Member] | Parking Revenue [Member] |  |  |
Rental income | $ 28,272 | $ 26,743 |
Accounting Standards Update 2014-09 [Member] | Other Revenue [Member] |  |  |
Rental income | $ 64,316 | $ 69,552 |

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- Definition Operating lease lease income (loss). + References No definition available. + Details
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- Definition Percentage of rental income. + References No definition available. + Details
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- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707 + Details
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- Details
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