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Mortgage Notes Payable, Unsecured Notes and Credit Facility (Details) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
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Notes Payable, Unsecured Notes and Credit Facility |  |
Total mortgage notes payable and unsecured notes and Term Loans | $ 7,595,080,000 | $ 7,629,814,000
Credit Facility | 0 | 0
Total mortgage notes payable, unsecured notes, Term Loans and Credit Facility | 7,595,080,000 | 7,629,814,000
Unsecured notes |  |
Notes Payable, Unsecured Notes and Credit Facility |  |
Long-term Debt, Percentage Bearing Fixed Interest, Amount | 6,500,000,000 | 6,500,000,000
Total mortgage notes payable and unsecured notes and Term Loans | 6,750,000,000 |
Amount of debt discount | 9,577,000 | 10,380,000
Amount of deferred financing costs, net | 34,910,000 | 37,615,000
Term Loans |  |
Notes Payable, Unsecured Notes and Credit Facility |  |
Variable rate notes | 250,000,000 | 250,000,000
Secured notes |  |
Notes Payable, Unsecured Notes and Credit Facility |  |
Long-term Debt, Percentage Bearing Fixed Interest, Amount | 380,030,000 | 408,964,000
Variable rate notes | 465,050,000 | 470,850,000
Total mortgage notes payable and unsecured notes and Term Loans | 547,688,000 |
Amount of debt discount | 14,083,000 | 14,478,000
Amount of deferred financing costs, net | 2,877,000 | 3,004,000
Line of Credit [Member] |  |
Notes Payable, Unsecured Notes and Credit Facility |  |
Credit Facility | $ 0 | $ 0

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: 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 Reference 2: 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 3: 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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