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Debt Obligations | 12 Months Ended
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Dec. 31, 2024
Debt Obligations |
Debt Obligations | 10. Debt Obligations Unsecured Credit Facility. We had an unsecured credit agreement (the “Original Credit Agreement”) that provided for an aggregate commitment of the lenders of up to $500,000,000 comprising of a $400,000,000 revolving credit facility (the “Revolving Line of Credit”) and two $50,000,000 term loans (the “Term Loans”). The Term Loans mature on November 19, 2025 and November 19, 2026. The Revolving Line of Credit had a maturity date of November 19, 2025 and provided a one-year extension option at our discretion, subject to customary conditions. During the first quarter of 2024, we entered into an amendment to the Original Credit Agreement (the “Credit Agreement”) to accelerate our one-year extension option notice to January 4, 2024. Concurrently, we exercised our option to extend the maturity date to November 19, 2026. Other material terms of the Original Credit Agreement remained unchanged. The Credit Agreement permits us to request increases to the Revolving Line of Credit and Term Loans commitments up to a total of $1,000,000,000 (the “Accordion”). As permitted under the terms of the Credit Agreement, we exercised $25,000,000 of the available $500,000,000 Accordion feature of the Revolving Line of Credit during the third quarter of 2024. Accordingly, the aggregate commitment of the lenders under the Credit Agreement increased to $525,000,000, with $475,000,000 remaining available under the Accordion. The exercise of the Accordion did not materially change any other term or condition of the Credit Agreement, including its maturity date or covenant requirements. Based on our leverage at December 31, 2024, the Revolving Line of Credit provides for interest annually at Adjusted SOFR plus 110 points and a facility fee of 15 basis points and the Term Loans provide for interest annually at Adjusted SOFR plus 125 points. Interest Rate Swap Agreements. In connection with entering into the Term Loans as discussed above, we entered into two receive variable/pay fixed interest rate swap agreements (“Interest Rate Swaps”) with maturities of November 19, 2025 and November 19, 2026, respectively, that will effectively lock-in the forecasted interest payments on the Term Loans’ borrowings over the four and five year terms of the loans. The Interest Rate Swaps are considered cash flow hedges and are recorded on our Consolidated Balance Sheets at fair value, with changes in the fair value of these instruments recognized in Accumulated other comprehensive income (loss) on our Consolidated Balance Sheets. During the year ended December 31, 2024 and 2023, we recorded $2,295,000 and $2,609,000, respectively, decrease in fair value of Interest Rate Swaps. The following table sets forth information regarding our Interest Rate Swaps at December 31, 2024 and 2023 (dollar amounts in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Notional | ​ | Fair Value at | ​
Date Entered | ​ | Maturity Date | ​ | Swap Rate | ​ | Rate Index | ​ | ​ | Amount | ​ | ​ | December 31, 2024 | ​ | ​ | ​ | December 31, 2023 | ​
November 2021 | ​ | November 19, 2025 | ​ | 2.62 | % | ​ | 1-month SOFR | ​ | $ | 50,000 | ​ | $ | 1,305 | ​ | ​ | $ | 2,698 | ​
November 2021 | ​ | November 19, 2026 | ​ | 2.76 | % | ​ | 1-month SOFR | ​ | ​ | 50,000 | ​ | ​ | 2,510 | ​ | ​ | ​ | 3,412 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 100,000 | ​ | $ | 3,815 | ​ | ​ | $ | 6,110 | ​
​ Senior Unsecured Notes. We have senior unsecured notes held by institutional investors with interest rates ranging from 3.66% to 4.5%. The senior unsecured notes mature between 2026 and 2033. The senior unsecured notes and Credit Agreement, including the Revolving Line of Credit and the Term Loans, contain financial covenants, which are measured quarterly, require us to maintain, among other things:
| (i) | a ratio of total indebtedness to total asset value not greater than 0.5 to 1.0;
| (ii) | a ratio of secured debt to total asset value not greater than 0.35 to 1.0;
| (iii) | a ratio of unsecured debt to the value of the unencumbered asset value not greater than 0.6 to 1.0; and
| (iv) | a ratio of EBITDA, as calculated in the Unsecured Credit Agreement, to fixed charges not less than 1.50 to 1.0.
At December 31, 2024, we were in compliance with all applicable financial covenants. These debt obligations also contain additional customary covenants and events of default that are subject to a number of important and significant limitations, qualifications and exceptions. The following table sets forth information regarding debt obligations by component as of December 31, 2024 and 2023 (dollar amounts in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | At December 31, 2024 | ​ | At December 31, 2023 | ​
​ | ​ | Applicable | ​ | ​ | ​ | Available | ​ | ​ | ​ | Available | ​
​ | ​ | Interest | ​ | Outstanding | ​ | for | ​ | Outstanding | ​ | for | ​
Debt Obligations | ​ | Rate (1) | ​ | Balance | ​ | Borrowing | ​ | Balance | ​ | Borrowing | ​
Revolving line of credit (2) | ​ | 6.04% | ​ | $ | 144,350 | ​ | $ | 280,650 | ​ | $ | 302,250 | ​ | $ | 97,750 | ​
Term loans, net of debt issue costs | ​ | 2.59% | ​ | ​ | 99,808 | ​ | ​ | — | ​ | ​ | 99,658 | ​ | ​ | — | ​
Senior unsecured notes, net of debt issue costs (3) | ​ | 4.15% | ​ | ​ | 440,442 | ​ | ​ | — | ​ | ​ | 489,409 | ​ | ​ | — | ​
Total | ​ | 4.32% | ​ | $ | 684,600 | ​ | $ | 280,650 | ​ | $ | 891,317 | ​ | $ | 97,750 | ​
(1) | Represents weighted average of interest rate as of December 31, 2024.
​
(2) | Subsequent to December 31, 2024, we borrowed $15,000 under our unsecured revolving line of credit. Accordingly, we have $159,350 outstanding and $265,650 available for borrowing under our unsecured revolving line of credit.
​
(3) | Subsequent to December 31, 2024, we repaid $7,000 in scheduled principal paydowns on our senior unsecured notes. Accordingly, we have $433,442 outstanding under our senior unsecured notes, net of debt issue costs.
Our borrowings and repayments for the years ended December 31, 2024, 2023 and 2022 are as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ | 2024 | ​ | 2023 | ​ | 2022
Debt Obligations | ​ | ​ | Borrowings | ​ | ​ | Repayments | ​ | Borrowings | ​ | Repayments | ​ | Borrowings | ​ | Repayments
Revolving line of credit | ​ | $ | 27,200 | (1) | $ | (185,100) | ​ | $ | 277,450 | ​ | $ | (105,200) | ​ | $ | 194,000 | ​ | $ | (174,900)
Senior unsecured notes | ​ | ​ | — | ​ | ​ | (49,160) | (2) | ​ | — | ​ | ​ | (49,160) | ​ | ​ | 75,000 | ​ | ​ | (48,160)
Total | ​ | $ | 27,200 | ​ | $ | (234,260) | ​ | $ | 277,450 | ​ | $ | (154,360) | ​ | $ | 269,000 | ​ | $ | (223,060)
(1) | Subsequent to December 31, 2024, we borrowed $15,000 under our unsecured revolving line of credit. Accordingly, we have $159,350 outstanding and $265,650 available for borrowing under our unsecured revolving line of credit.
​
(2) | Subsequent to December 31, 2024, we repaid $7,000 in scheduled principal paydowns on our senior unsecured notes. Accordingly, we have $433,442 outstanding under our senior unsecured notes, net of debt issue costs.
Scheduled Principal Payments. The following table represents our long-term contractual obligations (scheduled principal payments and amounts due at maturity) as of December 31, 2024, and excludes the effects of interest and debt issue costs (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Total | ​ | 2025 | ​ | 2026 | ​ | 2027 | ​ | 2028 | ​ | 2029 | ​ | Thereafter |
Revolving line of credit | ​ | $ | 144,350 | (1) | $ | — | ​ | $ | 144,350 | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​
Term loans | ​ | ​ | 100,000 | ​ | ​ | 50,000 | ​ | ​ | 50,000 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​
Senior unsecured notes | ​ |  | 441,500 | (2) |  | 49,500 | (2) |  | 51,500 | ​ |  | 54,500 | ​ |  | 55,000 | ​ | ​ | 63,000 | ​ |  | 168,000 | ​
​ | ​ | $ | 685,850 | ​ | $ | 99,500 | ​ | $ | 245,850 | ​ | $ | 54,500 | ​ | $ | 55,000 | ​ | $ | 63,000 | ​ | $ | 168,000 | ​
(1) | Subsequent to December 31, 2024, we borrowed $15,000 under our unsecured revolving line of credit. Accordingly, we have $159,350 outstanding and $265,650 available for borrowing under our unsecured revolving line of credit.
​
(2) | Subsequent to December 31, 2024, we repaid $7,000 in scheduled principal paydowns on our senior unsecure notes. Accordingly, we have $433,442 outstanding under our senior unsecured notes, net of debt issue costs.

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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 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 Reference 2: 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