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v3.19.3.a.u2

Summary of Significant Accounting Policies Revenues and Tenant and Other Receivables (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) ft² | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Jan. 01, 2019 USD ($)
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Accrued CAM, insurance and tax reimbursements | $ 10,620 | $ 25,305 |  |
Straight-line rent receivables | 107,087 | 105,677 |  |
Provision for Doubtful Accounts |  | (10,100) |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  | $ 30,903 |
Other property income | 9,201 | 8,711 | 7,982 |
Management, transaction, and other fees | 29,636 | 28,494 | 26,158 |
Tenant and other receivables (note 1) | 169,337 | 172,359 |  |
Lease liabilities | 222,918 | 0 |  | $ 225,400
Right of use assets, net | 292,786 | 0 |  | $ 297,800
Management, transaction, and other fee [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Tenant and other receivables (note 1) | 11,600 | 12,500 |  |
Property management services [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Management, transaction, and other fees | 14,744 | 14,663 | 13,917 |
Asset management services [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Management, transaction, and other fees | 7,135 | 7,213 | 7,090 |
Leasing services [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Management, transaction, and other fees | 3,692 | 4,044 | 3,573 |
Other transaction fees [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Management, transaction, and other fees | 4,065 | 2,574 | $ 1,578 |
Accounting Standards Update 2017-05 [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  | 30,900 |  |
Parent Company [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Accounts and Notes Receivable, Net | 169,337 | 172,359 |  |
Billed Tenant Receivables [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Accounts and Notes Receivable, Net | 24,906 | 25,590 |  |
Other Receivable [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Accounts and Notes Receivable, Net | $ 26,724 | 30,953 |  |
straight line rent [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Provision for Doubtful Accounts |  | $ (5,066) |  |
Leases less than 10,000 sqft [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Operating leases, tenant space terms | ft² | 10,000 |  |  |
Leases greater then 10,000 sqft [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Operating leases, tenant space terms | ft² | 10,000 |  |  |
Minimum [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Operating leases, lease year range | 3 years |  |  |
Operating leases, lease year range for tenant space greater than 10,000 sq ft | 5 years |  |  |
Maximum [Member] |  |  |  |
Schedule of management, transaction, and other fees [Line Items] |  |  |  |
Operating leases, lease year range | 7 years |  |  |

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