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Mortgages and Notes Payable - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |  |
Debt satisfaction gains (charges), net | $ 21,452 | $ (4,517) | $ (2,596)
Interest paid, capitalized | $ 1,745 | $ 410 | 15
Mortgages and Notes Payable |  |  |
Debt Instrument [Line Items] |  |  |
Weighted-average interest rate | 4.50% | 4.50% |
Debt satisfaction gains (charges), net |  | $ 9 | $ 898
Minimum | Mortgages and Notes Payable |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate | 3.50% |  |
Effective interest percentage |  | 3.50% |
Maximum | Mortgages and Notes Payable |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate | 6.30% |  |
Effective interest percentage |  | 6.50% |

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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 3: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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