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Debt | 12 Months Ended
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Dec. 31, 2020
Debt Disclosure [Abstract] |
Debt | 6. DEBT Long-term debt is as follows:
|  | DECEMBER 31, 2020 |  |  | DECEMBER 31, 2019
|  | DEBT (INCLUSIVE OF DISCOUNT) |  | UNAMORTIZED DEFERRED FINANCING COSTS |  | CARRYING AMOUNT |  | FAIR VALUE |  |  | DEBT (INCLUSIVE OF DISCOUNT) |  | UNAMORTIZED DEFERRED FINANCING COSTS |  | CARRYING AMOUNT |  | FAIR VALUE
Revolving Credit Facility(1) |  | $ | — |  |  | $ | (8,620) |  |  | $ | (8,620) |  |  | $ | — |  |  |  | $ | 348,808 |  |  | $ | (12,053) |  |  | $ | 336,755 |  |  | $ | 348,808 |
Term Loan A(1) |  | 215,625 |  |  | — |  |  | 215,625 |  |  | 215,625 |  |  |  | 228,125 |  |  | — |  |  | 228,125 |  |  | 228,125 |
Term Loan B(1)(2) |  | 679,621 |  |  | (6,244) |  |  | 673,377 |  |  | 680,750 |  |  |  | 686,395 |  |  | (7,493) |  |  | 678,902 |  |  | 686,890 |
Australian Dollar Term Loan (the “AUD Term Loan”)(3)(4) |  | 243,152 |  |  | (1,624) |  |  | 241,528 |  |  | 244,014 |  |  |  | 226,924 |  |  | (2,313) |  |  | 224,611 |  |  | 228,156 |
UK Bilateral Revolving Credit Facility(4) |  | 191,101 |  |  | (1,307) |  |  | 189,794 |  |  | 191,101 |  |  |  | 184,601 |  |  | (1,801) |  |  | 182,800 |  |  | 184,601 |
4 3/8% Senior Notes due 2021 (the “4 3/8% Notes”)(5)(6)(7) |  | — |  |  | — |  |  | — |  |  | — |  |  |  | 500,000 |  |  | (2,436) |  |  | 497,564 |  |  | 503,450 |
6% Senior Notes due 2023 (the “6% Notes”)(5)(6) |  | — |  |  | — |  |  | — |  |  | — |  |  |  | 600,000 |  |  | (4,027) |  |  | 595,973 |  |  | 613,500 |
5 3/8% CAD Senior Notes due 2023 (the “CAD Notes”)(5)(7)(8) |  | — |  |  | — |  |  | — |  |  | — |  |  |  | 192,058 |  |  | (2,071) |  |  | 189,987 |  |  | 199,380 |
5 3/4% Senior Subordinated Notes due 2024 (the “5 3/4% Notes”)(5)(6) |  | — |  |  | — |  |  | — |  |  | — |  |  |  | 1,000,000 |  |  | (6,409) |  |  | 993,591 |  |  | 1,010,625 |
3% Euro Senior Notes due 2025 (the “Euro Notes”)(5)(6)(7) |  | — |  |  | — |  |  | — |  |  | — |  |  |  | 336,468 |  |  | (3,462) |  |  | 333,006 |  |  | 345,660 |
3 7/8% GBP Senior Notes due 2025 (the “GBP Notes “)(5)(7)(9) |  | 546,003 |  |  | (4,983) |  |  | 541,020 |  |  | 553,101 |  |  |  | 527,432 |  |  | (5,809) |  |  | 521,623 |  |  | 539,892 |
5 3/8% Senior Notes due 2026 (the “5 3/8% Notes”)(5)(7)(10) |  | — |  |  | — |  |  | — |  |  | — |  |  |  | 250,000 |  |  | (2,756) |  |  | 247,244 |  |  | 261,641 |
4 7/8% Senior Notes due 2027 (the “4 7/8% Notes due 2027”)(5)(6)(7) |  | 1,000,000 |  |  | (9,598) |  |  | 990,402 |  |  | 1,046,250 |  |  |  | 1,000,000 |  |  | (11,020) |  |  | 988,980 |  |  | 1,029,475 |
5 1/4% Senior Notes due 2028 (the “5 1/4% Notes due 2028”)(5)(6)(7) |  | 825,000 |  |  | (8,561) |  |  | 816,439 |  |  | 868,313 |  |  |  | 825,000 |  |  | (9,742) |  |  | 815,258 |  |  | 859,598 |
5% Senior Notes due 2028 (the “5% Notes”)(5)(6)(7) |  | 500,000 |  |  | (5,486) |  |  | 494,514 |  |  | 523,125 |  |  |  | — |  |  | — |  |  | — |  |  | — |
4 7/8% Senior Notes due 2029 (the “4 7/8% Notes due 2029”)(5)(6)(7) |  | 1,000,000 |  |  | (12,658) |  |  | 987,342 |  |  | 1,050,000 |  |  |  | 1,000,000 |  |  | (14,104) |  |  | 985,896 |  |  | 1,015,640 |
5 1/4% Senior Notes due 2030 (the “5 1/4% Notes due 2030”)(5)(6)(7) |  | 1,300,000 |  |  | (14,416) |  |  | 1,285,584 |  |  | 1,400,750 |  |  |  | — |  |  | — |  |  | — |  |  | — |
4 1/2% Senior Notes due 2031 (the “4 1/2% Notes”)(5)(6)(7) |  | 1,100,000 |  |  | (12,648) |  |  | 1,087,352 |  |  | 1,138,500 |  |  |  | — |  |  | — |  |  | — |  |  | — |
5 5/8% Senior Notes due 2032 (the “5 5/8% Notes”)(5)(6)(7) |  | 600,000 |  |  | (6,727) |  |  | 593,273 |  |  | 660,000 |  |  |  | — |  |  | — |  |  | — |  |  | — |
Real Estate Mortgages, Financing Lease Liabilities and Other(11) |  | 511,922 |  |  | (1,086) |  |  | 510,836 |  |  | 511,922 |  |  |  | 573,671 |  |  | (1,388) |  |  | 572,283 |  |  | 623,671 |
Accounts Receivable Securitization Program(12) |  | 85,000 |  |  | (152) |  |  | 84,848 |  |  | 85,000 |  |  |  | 272,062 |  |  | (81) |  |  | 271,981 |  |  | 272,062 |
Total Long-term Debt |  | 8,797,424 |  |  | (94,110) |  |  | 8,703,314 |  |  |  |  |  | 8,751,544 |  |  | (86,965) |  |  | 8,664,579 |  |  |
Less Current Portion |  | (193,759) |  |  | — |  |  | (193,759) |  |  |  |  |  | (389,013) |  |  | — |  |  | (389,013) |  |  |
Long-term Debt, Net of Current Portion |  | $ | 8,603,665 |  |  | $ | (94,110) |  |  | $ | 8,509,555 |  |  |  |  |  | $ | 8,362,531 |  |  | $ | (86,965) |  |  | $ | 8,275,566 |  |  |
6. DEBT (CONTINUED) (1)The capital stock or other equity interests of most of our United States subsidiaries, and up to 66% of the capital stock or other equity interests of most of our first-tier foreign subsidiaries, are pledged to secure these debt instruments, together with all intercompany obligations (including promissory notes) of subsidiaries owed to us or to one of our United States subsidiary guarantors. In addition, Iron Mountain Canada Operations ULC (“Canada Company”) has pledged 66% of the capital stock of its subsidiaries, and all intercompany obligations (including promissory notes) owed to or held by it, to secure the Canadian dollar subfacility under the Revolving Credit Facility. The fair value (Level 3 of fair value hierarchy described at Note 2.o.) of these debt instruments approximates the carrying value (as borrowings under these debt instruments are based on current variable market interest rates (plus a margin that is subject to change based on our consolidated leverage ratio)), as of December 31, 2020 and 2019. (2)The amount of debt for the Term Loan B (as defined below) reflects an unamortized original issue discount of $1,129 and $1,355 as of December 31, 2020 and 2019, respectively. (3)The amount of debt for the AUD Term Loan reflects an unamortized original issue discount of $862 and $1,232 as of December 31, 2020 and 2019, respectively. (4)The fair value (Level 3 of fair value hierarchy described at Note 2.o.) of this debt instrument approximates the carrying value as borrowings under this debt instrument are based on a current variable market interest rate. (5)The fair values (Level 1 of fair value hierarchy described at Note 2.o.) of these debt instruments are based on quoted market prices for these notes on December 31, 2020 and 2019, respectively. (6)Collectively, the “Parent Notes". IMI is the direct obligor on the Parent Notes, which are fully and unconditionally guaranteed, on a senior basis, by IMI’s direct and indirect 100% owned United States subsidiaries that represent the substantial majority of our United States operations (the “Guarantors”). These guarantees are joint and several obligations of the Guarantors. The remainder of our subsidiaries do not guarantee the Parent Notes. (7)Collectively, the “Unregistered Notes". The Unregistered Notes have not been registered under the Securities Act of 1933, as amended (the “Securities Act”), or under the securities laws of any other jurisdiction. Unless they are registered, the Unregistered Notes may be offered only in transactions that are exempt from registration under the Securities Act or the securities laws of any other jurisdiction. (8)Canada Company was the direct obligor on the CAD Notes, which were fully and unconditionally guaranteed, on a senior basis, by IMI and the Guarantors. These guarantees were joint and several obligations of IMI and the Guarantors. (9)Iron Mountain (UK) PLC (“IM UK”) is the direct obligor on the GBP Notes, which are fully and unconditionally guaranteed, on a senior basis, by IMI and the Guarantors. These guarantees are joint and several obligations of IMI and the Guarantors. (10)Iron Mountain US Holdings, Inc., one of the Guarantors, was the direct obligor on the 5 3/8% Notes, which were fully and unconditionally guaranteed, on a senior basis, by IMI and the other Guarantors. These guarantees were joint and several obligations of IMI and such Guarantors. (11)We believe the fair value (Level 3 of fair value hierarchy described at Note 2.o.) of this debt approximates its carrying value. This debt includes the following:
| DECEMBER 31, 2020 |  | DECEMBER 31, 2019
Real estate mortgages(i) | $ | 71,673 |  |  | $ | 77,036 |
Financing lease liabilities(ii) | 366,311 |  |  | 367,182 |
Other notes and other obligations(iii) | 73,938 |  |  | 129,453 |
| $ | 511,922 |  |  | $ | 573,671 |
(i)Bear interest at approximately 3.3% and 3.9% at December 31, 2020 and 2019, respectively, and includes $50,000 outstanding under our Mortgage Securitization Program at both December 31, 2020 and 2019. (ii)Bear a weighted average interest rate of 5.9% and 5.7% at December 31, 2020 and 2019, respectively. (iii)These notes and other obligations, which were assumed by us as a result of certain acquisitions bear a weighted average interest rate of 10.7% and 10.8% at December 31, 2020 and 2019, respectively. (12)The Accounts Receivable Securitization Special Purpose Subsidiaries are the obligors under this program. We believe the fair value (Level 3 of fair value hierarchy described at Note 2.o.) of this debt approximates its carrying value. 6. DEBT (CONTINUED) A. CREDIT AGREEMENT Our credit agreement (the "Credit Agreement") consists of a revolving credit facility (the “Revolving Credit Facility”) and a term loan (the “Term Loan A”). The Revolving Credit Facility enables IMI and certain of its United States and foreign subsidiaries to borrow in United States dollars and (subject to sublimits) a variety of other currencies (including Canadian dollars, British pounds sterling and Euros, among other currencies) in an aggregate outstanding amount not to exceed $1,750,000. Under the Credit Agreement, we have the option to request additional commitments of up to $1,260,000, in the form of term loans or through increased commitments under the Revolving Credit Facility, subject to the conditions specified in the Credit Agreement. The Credit Agreement is scheduled to mature on June 4, 2023, at which point all obligations become due. The original principal amount of the Term Loan A was $250,000 and is to be paid in quarterly installments in an amount equal to $3,125 per quarter, with the remaining balance due on June 4, 2023. On December 20, 2019, we entered into an amendment to the Credit Agreement. This amendment amended the definition of EBITDA and certain other definitions and restrictive covenants contained in the Credit Agreement. IMI and the Guarantors guarantee all obligations under the Credit Agreement. The interest rate on borrowings under the Credit Agreement varies depending on our choice of interest rate and currency options, plus an applicable margin, which varies based on our consolidated leverage ratio. Additionally, the Credit Agreement requires the payment of a commitment fee on the unused portion of the Revolving Credit Facility, which fee ranges from between 0.25% to 0.4% based on our consolidated leverage ratio and fees associated with outstanding letters of credit. As of December 31, 2020, we had no outstanding borrowings under the Revolving Credit Facility and $215,625 aggregate outstanding principal amount under the Term Loan A. At December 31, 2020, we had various outstanding letters of credit totaling $3,232 under the Revolving Credit Facility. The remaining amount available for borrowing under the Revolving Credit Facility as of December 31, 2020, which is based on IMI’s leverage ratio, the last 12 months' earnings before interest, taxes, depreciation and amortization and rent expense (“EBITDAR”), other adjustments as defined in the Credit Agreement and current external debt, was $1,746,768 (which amount represents the maximum availability as of such date). Available borrowings under the Revolving Credit Facility are subject to compliance with our indenture covenants as discussed below. The average interest rate in effect for all outstanding borrowings under the Credit Agreement was 1.9% and 3.3% as of December 31, 2020 and 2019, respectively. The average interest rate in effect under the Revolving Credit Facility was 3.2% as of December 31, 2019, and the interest rate in effect under the Term Loan A as of December 31, 2020 and 2019 was 1.9% and 3.5%, respectively. IMI’s wholly owned subsidiary, Iron Mountain Information Management, LLC (“IMIM”), has an incremental term loan B with a principal amount of $700,000 (the “Term Loan B”). The Term Loan B, which matures on January 2, 2026, was issued at 99.75% of par. The Term Loan B holders benefit from the same security and guarantees as other borrowings under the Credit Agreement. The Term Loan B holders also benefit from the same affirmative and negative covenants as other borrowings under the Credit Agreement; however, the Term Loan B holders are not generally entitled to the benefits of the financial covenants under the Credit Agreement. Principal payments on the Term Loan B are to be paid in quarterly installments of $1,750 per quarter during the period June 30, 2018 through December 31, 2025, with the balance due on January 2, 2026. The Term Loan B may be prepaid without penalty at any time. The Term Loan B bears interest at a rate of LIBOR plus 1.75%. As of December 31, 2020, we had $679,621 aggregate outstanding principal amount under the Term Loan B. The interest rate in effect under Term Loan B as of December 31, 2020 and 2019 was 1.9% and 3.6%, respectively.
REVOLVING CREDIT FACILITY $1,750,000 |  |  | TERM LOAN A $250,000 |  |  | TERM LOAN B $700,000
Outstanding borrowings $0 |  |  | Aggregate outstanding principal amount $215,625 |  |  | Aggregate outstanding principal amount $679,621
N/A Interest rate |  |  | 1.9% Interest rate |  |  | 1.9% Interest rate
As of December 31, 2020 |  |  | As of December 31, 2020 |  |  | As of December 31, 2020
6. DEBT (CONTINUED) B. NOTES ISSUED UNDER INDENTURES Each series of notes shown below (i) is effectively subordinated to all of our secured indebtedness, including under the Credit Agreement, to the extent of the value of the collateral securing such indebtedness, (ii) ranks pari passu in right of payment with each other and with debt outstanding under the Credit Agreement, the senior notes shown below and other “senior debt” we incur from time to time, and (iii) is structurally subordinated to all liabilities of our subsidiaries that do not guarantee such series of notes. The key terms of our indentures are as follows:
SENIOR NOTES |  | AGGREGATE PRINCIPAL AMOUNT |  | DIRECT OBLIGOR |  | MATURITY DATE |  | CONTRACTUAL INTEREST RATE |  | INTEREST PAYMENTS DUE |  | PAR CALL DATE(1)
GBP Notes |  | £ | 400,000 |  |  | IM UK |  | November 15, 2025 |  | 3 7/8% |  | May 15 and November 15 |  | November 15, 2022
4 7/8% Notes due 2027 |  | $ | 1,000,000 |  |  | IMI |  | September 15, 2027 |  | 4 7/8% |  | March 15 and September 15 |  | September 15, 2025
5 1/4% Notes due 2028 |  | $ | 825,000 |  |  | IMI |  | March 15, 2028 |  | 5 1/4% |  | March 15 and September 15 |  | March 15, 2025
5% Notes |  | $ | 500,000 |  |  | IMI |  | July 15, 2028 |  | 5% |  | January 15 and July 15 |  | July 15, 2025
4 7/8% Notes due 2029 |  | $ | 1,000,000 |  |  | IMI |  | September 15, 2029 |  | 4 7/8% |  | March 15 and September 15 |  | September 15, 2027
5 1/4% Notes due 2030 |  | $ | 1,300,000 |  |  | IMI |  | July 15, 2030 |  | 5 1/4% |  | January 15 and July 15 |  | July 15, 2028
4 1/2% Notes |  | $ | 1,100,000 |  |  | IMI |  | February 15, 2031 |  | 4 1/2% |  | February 15 and August 15 |  | February 15, 2029
5 5/8% Notes |  | $ | 600,000 |  |  | IMI |  | July 15, 2032 |  | 5 5/8% |  | January 15 and July 15 |  | July 15, 2029
(1)We may redeem the notes at any time, at our option, in whole or in part. Prior to the par call date, we may redeem the notes at the redemption price or make-whole premium specified in the applicable indenture, together with accrued and unpaid interest to, but excluding, the redemption date. On or after the par call date, we may redeem the notes at a price equal to 100% of the principal amount being redeemed, together with accrued and unpaid interest to, but excluding, the redemption date. Each of the indentures for the notes provides that we must repurchase, at the option of the holders, the notes at 101% of their principal amount, plus accrued and unpaid interest, upon the occurrence of a “Change of Control,” which is defined in each respective indenture. Except for required repurchases upon the occurrence of a Change of Control or in the event of certain asset sales, each as described in the respective indenture, we are not required to make sinking fund or redemption payments with respect to any of the notes. JUNE 2020 OFFERINGS On June 22, 2020, IMI completed private offerings of the following series of notes in the amounts set forth below (collectively, the "June 2020 Offerings"):
SERIES OF NOTES | AGGREGATE PRINCIPAL AMOUNT
5% Notes | $ | 500,000 |
5 1/4% Notes due 2030 | 1,300,000 |
5 5/8% Notes | 600,000 |
The 5% Notes, the 5 1/4% Notes due 2030 and the 5 5/8% Notes were issued at 100.000% of par. The total net proceeds of approximately $2,376,000 from the June 2020 Offerings, after deducting the initial purchasers’ commissions, were used to redeem all of the 4 3/8% Notes, the 6% Notes and the 5 3/4% Notes and to repay a portion of the outstanding borrowings under the Revolving Credit Facility. On June 29, 2020, we redeemed all of the $500,000 in aggregate principal outstanding of the 4 3/8% Notes at 100.000% of par and all of the $600,000 in aggregate principal outstanding of the 6% Notes at 102.000% of par, plus, in each case, accrued and unpaid interest to, but excluding, the redemption date. We recorded a charge of $17,040 to Other expense (income), net during the second quarter of 2020 related to the early extinguishment of this debt, representing the call premium associated with the early redemption of the 6% Notes, as well as a write-off of unamortized deferred financing costs associated with the early redemption of the 4 3/8% Notes and the 6% Notes. 6. DEBT (CONTINUED) On July 2, 2020, we redeemed all of the $1,000,000 in aggregate principal outstanding of the 5 3/4% Notes at 100.958% of par, plus accrued and unpaid interest to, but excluding, the redemption date. We recorded a charge of $15,310 to Other expense (income), net during the third quarter of 2020 related to the early extinguishment of this debt, representing the call premium and write-off of unamortized deferred financing fees. AUGUST 2020 OFFERING On August 18, 2020, IMI completed a private offering of:
SERIES OF NOTES | AGGREGATE PRINCIPAL AMOUNT
4 1/2% Notes | $ | 1,100,000 |
The 4 1/2% Notes were issued at 100.000% of par. The total net proceeds of approximately $1,089,000 from the issuance of the 4 1/2% Notes, after deducting the initial purchasers’ commissions, were used to redeem all of the CAD Notes, the Euro Notes, and the 5 3/8% Notes and to repay a portion of the outstanding borrowings under the Revolving Credit Facility. On August 21, 2020, we redeemed all of the 250,000 CAD in aggregate principal outstanding of the CAD Notes at 104.031% of par, 300,000 Euro in aggregate principal outstanding of the Euro Notes at 101.500% of par and $250,000 in aggregate principal outstanding of the 5 3/8% Notes at 106.628% of par, plus, in each case accrued and unpaid interest to, but excluding, the redemption date. We recorded a charge of $35,950 to Other expense (income), net during the third quarter of 2020 related to the early extinguishment of the CAD Notes, the Euro Notes and the 5 3/8% Notes, representing the call premiums and write off unamortized deferred financing costs associated with the early redemption of these debt instruments. C. AUSTRALIAN DOLLAR TERM LOAN Iron Mountain Australia Group Pty, Ltd. (“IM Australia”), a wholly owned subsidiary of IMI, has an AUD term loan with an original principal balance of 350,000 Australian dollars (“AUD Term Loan”). All indebtedness associated with the AUD Term Loan was issued at 99% of par. Principal payments on the AUD Term Loan are to be paid in quarterly installments in an aggregate amount of 8,750 Australian dollars per year. The AUD Term Loan bears interest at BBSY (an Australian benchmark variable interest rate) plus 3.875%. The AUD Term Loan is scheduled to mature on September 22, 2022, at which point all obligations become due.
As of December 31, 2020, we had 316,563 Australian dollars ($244,014 based upon the exchange rate between the United States dollar and the Australian dollar as of December 31, 2020) outstanding on the AUD Term Loan. As of December 31, 2019, we had 325,313 Australian dollars ($228,156 based upon the exchange rate between the United States dollar and the Australian dollar as of December 31, 2019) outstanding on the AUD Term Loan. The interest rate in effect under the AUD Term Loan was 3.9% and 4.8% as of December 31, 2020 and 2019, respectively. |  |  | OUTSTANDING BORROWINGS AU$244,014
|  | 3.9% Interest Rate |  |
|  | As of December 31, 2020
6. DEBT (CONTINUED) D. UK BILATERAL REVOLVING CREDIT FACILITY
IM UK and Iron Mountain (UK) Data Centre Limited has a 140,000 British pounds sterling Revolving Credit Facility (the “UK Bilateral Facility”) with Barclays Bank PLC. The maximum amount permitted to be borrowed under the UK Bilateral Facility is 140,000 British pounds sterling, and we have the option to request additional commitments of up to 125,000 British pounds sterling, subject to the conditions specified in the UK Bilateral Facility. The UK Bilateral Facility is fully drawn. The UK Bilateral Facility is secured by certain properties in the United Kingdom. IMI and the Guarantors guarantee all obligations under the UK Bilateral Facility. The UK Bilateral Facility is scheduled to mature on September 23, 2022, at which point all obligations become due. The UK Bilateral Facility contains an option to extend the maturity date for an additional year, subject to the conditions specified in the UK Bilateral Facility, including the lender’s consent. The UK Bilateral Facility bears interest at a rate of LIBOR plus 2.25%. The interest rate in effect under the UK Bilateral Facility was 2.3% and 3.1% as of December 31, 2020 and 2019, respectively. |  |  | MAXIMUM AMOUNT £140,000 OPTIONAL ADDITIONAL COMMITMENTS £125,000
|  | 2.3% Interest Rate |  |
|  | As of December 31, 2020
E. ACCOUNTS RECEIVABLE SECURITIZATION PROGRAM We participate in an accounts receivable securitization program (the “Accounts Receivable Securitization Program”) involving several of our wholly owned subsidiaries and certain financial institutions. Under the Accounts Receivable Securitization Program, certain of our subsidiaries sell substantially all of their United States accounts receivable balances to our wholly owned special purpose entities, Iron Mountain Receivables QRS, LLC and Iron Mountain Receivables TRS, LLC (the “Accounts Receivable Securitization Special Purpose Subsidiaries”). The Accounts Receivable Securitization Special Purpose Subsidiaries use the accounts receivable balances to collateralize loans obtained from certain financial institutions. The Accounts Receivable Securitization Special Purpose Subsidiaries are consolidated subsidiaries of IMI. The Accounts Receivable Securitization Program is accounted for as a collateralized financing activity, rather than a sale of assets, and therefore: (i) accounts receivable balances pledged as collateral are presented as assets and borrowings are presented as liabilities on our Consolidated Balance Sheets, (ii) our Consolidated Statements of Operations reflect the associated charges for bad debt expense related to pledged accounts receivable (a component of selling, general and administrative expenses) and reductions to revenue due to billing and service related credit memos issued to customers and related reserves, as well as interest expense associated with the collateralized borrowings and (iii) receipts from customers related to the underlying accounts receivable are reflected as operating cash flows and borrowings and repayments under the collateralized loans are reflected as financing cash flows within our Consolidated Statements of Cash Flows. IMIM retains the responsibility of servicing the accounts receivable balances pledged as collateral for the Accounts Receivable Securitization Program and IMI provides a performance guaranty. The maximum availability allowed is limited by eligible accounts receivable, as defined under the terms of the Accounts Receivable Securitization Program.
On March 31, 2020, we amended the Accounts Receivable Securitization Program to (i) increase the maximum amount available from $275,000 to $300,000 and (ii) extend the maturity date from July 30, 2020 to July 30, 2021, at which point all obligations become due. The full amount outstanding under the Accounts Receivable Securitization Program is classified within the current portion of long-term debt in our Consolidated Balance Sheet as of December 31, 2020 and 2019. As of December 31, 2020, the maximum availability allowed and amount outstanding under the Accounts Receivable Securitization Program was $274,100 and $85,000, respectively. At December 31, 2019, both the maximum availability and amount outstanding under the Accounts Receivable Securitization Program was $272,062. The interest rate in effect under the Accounts Receivable Securitization Program was 1.1% and 2.8% as of December 31, 2020 and 2019, respectively. Commitment fees at a rate of 40 basis points are charged on amounts made available but not borrowed under the Accounts Receivable Securitization Program. |  |  | MAXIMUM AMOUNT $300,000
|  | MAXIMUM AVAILABILITY ALLOWED $274,100
|  | OUTSTANDING BORROWINGS $85,000 1.1% Interest rate
|  | As of December 31, 2020
6. DEBT (CONTINUED) F. CASH POOLING Certain of our subsidiaries participate in cash pooling arrangements (the “Cash Pools”) with Bank Mendes Gans (“BMG”), an independently operated wholly owned subsidiary of ING Group, in order to help manage global liquidity requirements. Under the Cash Pools, cash deposited by participating subsidiaries with BMG is pledged as security against the debit balances of other participating subsidiaries, and legal rights of offset are provided and, therefore, amounts are presented in our Consolidated Balance Sheets on a net basis. Each subsidiary receives interest on the cash balances held on deposit or pays interest on its debit balances based on an applicable rate as defined in the Cash Pools. We currently utilize two separate Cash Pools with BMG, one of which we utilize to manage global liquidity requirements for our qualified REIT subsidiaries (the “QRS Cash Pool”) and the other for our taxable REIT subsidiaries (the “TRS Cash Pool”). We have executed overdraft facility agreements for the QRS Cash Pool and TRS Cash Pool, each in an amount not to exceed $10,000. Each overdraft facility permits us to cover a temporary net debit position in the applicable pool. The approximate amount of the net cash position, gross position and outstanding debit balances for the QRS Cash Pool and TRS Cash Pool as of December 31, 2020 and 2019 were as follows:
| DECEMBER 31, 2020 |  | DECEMBER 31, 2019
| GROSS CASH POSITION |  | OUTSTANDING DEBIT BALANCES |  | NET CASH POSITION |  | GROSS CASH POSITION |  | OUTSTANDING DEBIT BALANCES |  | NET CASH POSITION
QRS Cash Pool | $ | 448,700 |  |  | $ | (447,400) |  |  | $ | 1,300 |  |  | $ | 372,100 |  |  | $ | (369,000) |  |  | $ | 3,100 |
TRS Cash Pool | 555,500 |  |  | (553,500) |  |  | 2,000 |  |  | 319,800 |  |  | (301,300) |  |  | 18,500 |
The net cash position balances as of December 31, 2020 and 2019 are reflected as Cash and cash equivalents in our Consolidated Balance Sheets. G. LETTERS OF CREDIT As of December 31, 2020, we had outstanding letters of credit totaling $36,160, of which $3,232 reduce our borrowing capacity under the Revolving Credit Facility (as described above). The letters of credit expire at various dates between January 2021 and January 2033. H. DEBT COVENANTS The Credit Agreement, our bond indentures and other agreements governing our indebtedness contain certain restrictive financial and operating covenants, including covenants that restrict our ability to complete acquisitions, pay cash dividends, incur indebtedness, make investments, sell assets and take certain other corporate actions. The covenants do not contain a rating trigger. Therefore, a change in our debt rating would not trigger a default under the Credit Agreement, our bond indentures or other agreements governing our indebtedness. The Credit Agreement requires that we satisfy a fixed charge coverage ratio, a net total lease adjusted leverage ratio and a net secured debt lease adjusted leverage ratio on a quarterly basis and our bond indentures require that, among other things, we satisfy a leverage ratio (not lease adjusted) or a fixed charge coverage ratio (not lease adjusted), as a condition to taking actions such as paying dividends and incurring indebtedness. The Credit Agreement uses EBITDAR-based calculations and the bond indentures use EBITDA-based calculations as the primary measures of financial performance for purposes of calculating leverage and fixed charge coverage ratios. The bond indenture EBITDA-based calculations include our consolidated subsidiaries, other than those we have designated as “Unrestricted Subsidiaries” as defined in the bond indentures. Generally, the Credit Agreement and the bond indentures use a trailing four fiscal quarter basis for purposes of the relevant calculations and require certain adjustments and exclusions for purposes of those calculations, which make the calculation of financial performance for purposes of those calculations under the Credit Agreement and bond indentures not directly comparable to Adjusted EBITDA as presented herein. We are in compliance with our leverage and fixed charge coverage ratios under the Credit Agreement, our bond indentures and other agreements governing our indebtedness as of December 31, 2020 and 2019. Noncompliance with these leverage and fixed charge coverage ratios would have a material adverse effect on our financial condition. 6. DEBT (CONTINUED) I.MATURITIES OF LONG-TERM DEBT (GROSS OF DISCOUNTS) ARE AS FOLLOWS:
YEAR |  | AMOUNT
2021 |  | $ | 193,759 |
2022 |  | 536,811 |
2023 |  | 232,264 |
2024 |  | 45,680 |
2025 |  | 569,005 |
Thereafter |  | 7,221,896 |
|  | 8,799,415 |
Net Discounts |  | (1,991) |
Net Deferred Financing Costs |  | (94,110) |
Total Long-term Debt (including current portion) |  | $ | 8,703,314 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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