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Commitments and Contingencies - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 USD ($) community Lease property | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) community Lease property | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items] |  |  |  |  |
Number of office leases | Lease | 12 |  | 12 |  |
Operating lease assets | $ 118,645 |  | $ 118,645 |  | $ 118,370
Operating lease obligation | 146,424 |  | 146,424 |  | 146,377
Operating lease expense | 3,964 | $ 3,896 | 7,670 | $ 7,723 |
Finance lease asset | 28,528 |  | 28,528 |  | 28,229
Finance lease obligation | $ 20,095 |  | $ 20,095 |  | $ 20,120
Properties on Land Subject to Land Leases |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Number of operating apartment communities owned | community | 7 |  | 7 |  |
Number of commercial properties owned | property | 2 |  | 2 |  |
Assets Held under Operating Leases |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Number of operating apartment communities owned | community | 6 |  | 6 |  |
Assets Held under Finance Leases |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Number of operating apartment communities owned | community | 1 |  | 1 |  |
Number of finance leases for parking garages adjacent to communities | Lease | 4 |  | 4 |  |

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- Definition Number of Finance Leases for Parking Garages Adjacent to Communities + References No definition available. + Details
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- Definition Number of operating apartment communities owned (or in which a direct or indirect ownership interest is held). + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition 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. + References No definition available. + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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