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Debt | 12 Months Ended
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Dec. 31, 2020
Debt Disclosure [Abstract] |
Debt | DEBT Credit Agreement Until March 2, 2020, we had a credit agreement dated as of August 3, 2016, which provided for a $900.0 million revolving credit facility (the “2016 Revolving Credit Facility”) and a $400.0 million term loan (the “2016 Term Loan”) (collectively referred to as the “2016 Credit Agreement”). On March 2, 2020, we amended and restated the 2016 Credit Agreement to provide for a $1.3 billion revolving credit facility (the “2020 Revolving Credit Facility”) and a $300.0 million term loan (the “2020 Term Loan”) (collectively referred to as the “2020 Credit Agreement”) expiring March 2, 2025. We may increase the 2020 Revolving Credit Facility to $1.9 billion if additional lenders are identified and/or existing lenders are willing to increase their current commitments. We may allocate up to $400.0 million of available capacity under the 2020 Revolving Credit Facility to letters of credit for our account or for the account of any of our subsidiaries. At the Company’s election, borrowings under the 2020 Credit Agreement bear interest at either: (1) a base rate plus a margin of 0.00% to 0.75%, based on certain financial tests, or (2) United States dollar LIBOR (0.15% at December 31, 2020) plus 1.00% to 1.75%, based on certain financial tests. The base rate is determined by the greater of (a) the prime commercial lending rate announced by Bank of Montreal from time to time (3.25% at December 31, 2020), (b) the federal funds effective rate, plus ½ of 1.00%, (c) the daily one month LIBOR rate, plus 1.00%, or (d) 0.00%. The interest rate in effect at December 31, 2020 was 1.15%. A commitment fee is payable on the average daily unused amount of the 2020 Revolving Credit Facility, which ranges from 0.10% to 0.25%, based on certain financial tests. The fee was 0.10% of the unused amount as of December 31, 2020. Fees for letters of credit issued under the 2020 Revolving Credit Facility range from 0.75% to 1.75% of the respective face amounts of outstanding letters of credit, depending on the nature of the letter of credit, and are computed based on certain financial tests. As of December 31, 2020 and 2019, the balance of the 2020 Term Loan and the 2016 Term Loan was $270.6 million and $254.4 million, respectively. As of December 31, 2020, there were no direct borrowings outstanding under the 2020 Revolving Credit Facility; however, we had $71.3 million of letters of credit outstanding, which reduce the available capacity under such facility. As of December 31, 2019, we had $50.0 million in direct borrowings outstanding and $109.0 million of letters of credit outstanding under the 2016 Revolving Credit Facility. We capitalized an additional $3.1 million of debt issuance costs associated with the 2020 Credit Agreement. Debt issuance costs are amortized over the life of the agreement and are included as part of interest expense. Obligations under the 2020 Credit Agreement are guaranteed by most of our direct and indirect subsidiaries and are secured by substantially all of our assets. The 2020 Credit Agreement contains various covenants providing for, among other things, the maintenance of certain financial ratios and certain limitations on the payment of dividends, common stock repurchases, investments, acquisitions, indebtedness and capital expenditures. We were in compliance with all such covenants as of December 31, 2020 with respect to the 2020 Credit Agreement and, as of December 31, 2019, with respect to the 2016 Credit Agreement. We are required to make annual principal payments on the 2020 Term Loan. On September 30, 2020, we made a voluntary prepayment of $22.5 million, which was applied against our scheduled payments on a ratable basis. Principal payments of $13.9 million are due on December 31 of each subsequent year. All unpaid principal and interest is due on March 2, 2025. Long-term debt as of December 31, 2020 and 2019 consisted of the following amounts (in thousands):
| 2020 |  | 2019
Revolving credit facility | $ | — |  |  | $ | 50,000 |
Term loan, interest payable at varying amounts through 2025 | 270,563 |  |  | 254,431 |
Unamortized debt issuance costs | (4,000) |  |  | (1,879) |
Finance lease liabilities | 9,966 |  |  | 9,679 |
Total debt | 276,529 |  |  | 312,231 |
Less: current maturities | 16,910 |  |  | 18,092 |
Total long-term debt | $ | 259,619 |  |  | $ | 294,139 |
Finance Lease Liabilities See Note 17 - Leases of the notes to consolidated financial statements for additional information.

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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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