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v3.20.2

Debt - Narrative (Details) |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 21, 2018 USD ($) option | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |
Debt, net |  | $ 655,213,000 |  | $ 572,850,000
Repayment of mortgages payable |  | 67,349,000 | $ 106,041,000 |
Mortgages Payable |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total mortgages payable, net |  | 107,009,000 |  | 175,321,000
Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Remaining borrowing capacity |  | 200,000,000 |  |
Revolving Credit Facility | Revolving Credit Facility, Amended and Restated |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt, net |  | 150,000,000 |  | $ 150,000,000
Debt instrument, face amount | $ 350,000,000 |  |  |
Proceeds from lines of credit |  | $ 150,000,000 |  |
Debt instrument, term | 4 years |  |  |
Number of extension options | option | 2 |  |  |
Extension option on line of credit, period | 6 months |  |  |
Interest rate (percentage) |  | 1.22% |  | 1.22%
Remaining borrowing capacity |  | $ 0 |  | $ 0
Unused commitment fee (percent) |  | 0.15% |  | 0.15%
Revolving Credit Facility | Revolving Credit Facility, Amended and Restated | One-month LIBOR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate (percent) |  | 1.05% |  |

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- Definition Amount of short-term and long-term debt and lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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