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Borrowings | 9 Months Ended
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Sep. 30, 2023
Notes To Financial Statements [Abstract] |
Borrowings | 6. Borrowings The following table summarizes the Company’s outstanding debt as of September 30, 2023 (dollars in thousands):
|  | Balance |  |  | Weighted Average Effective Rate |  |  | Weighted Average Contract Maturity
Unsecured debt |  |  |  |  |  |  |  |
Fixed rate senior notes |  | $ | 4,050,000 |  |  |  | 3.4 | % |  | 5/14/2029
Debt issuance costs, discounts, premiums and fair market value adjustments |  |  | (15,847 | ) |  |  |  |  |
Total unsecured debt |  | $ | 4,034,153 |  |  |  | 3.4 | % |  |
Secured debt |  |  |  |  |  |  |  |
Fixed rate property mortgages |  | $ | 363,293 |  |  |  | 4.4 | % |  | 1/26/2049
Debt issuance costs |  |  | (3,183 | ) |  |  |  |  |
Total secured debt |  | $ | 360,110 |  |  |  | 4.4 | % |  |
Total outstanding debt |  | $ | 4,394,263 |  |  |  | 3.4 | % |  |
Unsecured Revolving Credit Facility MAALP has entered into an unsecured revolving credit facility, with a borrowing capacity of $1.25 billion and an option to expand to $2.0 billion. The revolving credit facility bears interest at an adjusted Secured Overnight Financing Rate plus a spread of 0.70% to 1.40% based on an investment grade pricing grid. The revolving credit facility has a maturity date in October 2026 with an option to extend for two additional six-month periods. As of September 30, 2023, there was no outstanding balance under the revolving credit facility, while $4.5 million of capacity was used to support outstanding letters of credit. Unsecured Commercial Paper MAALP has established an unsecured commercial paper program whereby MAALP may issue unsecured commercial paper notes with varying maturities not to exceed 397 days up to a maximum aggregate principal amount outstanding of $625.0 million. As of September 30, 2023, MAALP had no borrowings outstanding under the commercial paper program. For the three months ended September 30, 2023, MAALP had no borrowings under the commercial paper program. Unsecured Senior Notes As of September 30, 2023, MAALP had $4.1 billion of publicly issued unsecured senior notes outstanding. The unsecured senior notes had maturities at issuance ranging from 5 to 30 years, with a weighted average maturity in 2029. In October 2023, MAALP retired $350.0 million of publicly issued unsecured senior notes at maturity using available cash on hand and borrowings under the commercial paper program. Secured Property Mortgages As of September 30, 2023, MAALP had $363.3 million of fixed rate conventional property mortgages with a weighted average maturity in 2049. In July 2023, MAALP retired $3.0 million remaining on a mortgage associated with an apartment community prior to its June 2025 maturity. Upcoming Debt Obligations As of September 30, 2023, MAALP’s debt obligations over the next 12 months consist of approximately $750 million of principal obligations, including $350.0 million of unsecured senior notes due October 2023 and $400.0 million of unsecured senior notes due June 2024.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//470/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I + Details
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