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Acquired Leases Intangibles (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | $ 524,893 | $ 473,679 |
Accumulated amortization | (312,186) | (284,880) |
Acquired lease intangible assets, net of amortization | 212,707 | 188,799 |
Finite-Lived Intangible Liabilities, Accumulated Accretion | (172,293) | (145,966) |
Off-market Lease, Unfavorable | 363,276 | 377,712 |
Finite-Lived Intangible Assets, Amortization Expense | 39,108 | 55,955 | $ 69,362
Partnership Interest [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Accumulated amortization | (312,186) | (284,880) |
Acquired lease intangible assets, net of amortization | 212,707 | 188,799 |
Off-market Lease, Unfavorable | 363,276 | 377,712 |
In-place leases, net [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 443,460 | 414,298 |
Finite-Lived Intangible Assets, Amortization Expense | 33,621 | 48,297 | 60,250
Above Market Leases [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 81,433 | 59,381 |
Finite-Lived Intangible Assets, Amortization Expense | 5,487 | 7,658 | 9,112
Off-Market Lease, Unfavorable [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite Lived Intangible Liabilities, Gross | 535,569 | 523,678 |
Acquired lease intangible liability accretion | $ 30,378 | $ 50,103 | $ 54,730

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- Definition Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6394232&loc=d3e17558-110866 + Details
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