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Financing Arrangements
 12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]  
Financing Arrangements Financing Arrangements
Financing arrangements consisted of the following:
December 31, 2021December 31, 2020
(In thousands)Principal AmountUnamortized Discount and Debt Issuance CostsTotal DebtPrincipal AmountUnamortized Discount and Debt Issuance CostsTotal Debt
Convertible Notes $— $— $— $66,912 $(4,221)$62,691 
ABL Facility86,500 — 86,500 19,100 — 19,100 
Term loan6,094 (110)5,984 — — — 
Financing obligation6,688 (78)6,610 — — — 
Other debt15,709 — 15,709 5,371 — 5,371 
Total debt114,991 (188)114,803 91,383 (4,221)87,162 
Less: current portion(19,210)— (19,210)(71,693)4,221 (67,472)
Long-term debt$95,781 $(188)$95,593 $19,690 $— $19,690 
 
Convertible Notes. In December 2016, we issued $100.0 million of unsecured convertible senior notes (“Convertible Notes”) that matured on December 1, 2021. The notes bore interest at a rate of 4.0% per year, payable semiannually in arrears on June 1 and December 1 of each year. The conversion rate was 107.1381 shares of our common stock per $1,000 principal amount of notes (equivalent to an initial conversion price of $9.33 per share of common stock), subject to adjustment in certain circumstances.
During 2020, we repurchased $33.1 million of our Convertible Notes in the open market for a total cost of $29.1 million, and recognized a net gain of $0.4 million reflecting the difference in the amount paid and the net carrying value of the extinguished debt, including original issue discount and debt issuance costs. During 2021, we repurchased $28.3 million of our Convertible Notes in the open market for a total cost of $28.1 million, and recognized a net loss of $1.0 million reflecting the difference in the amount paid and the net carrying value of the extinguished debt, including original issue discount and debt issuance costs. The remaining $38.6 million of our Convertible Notes were repaid at maturity in December 2021.
Asset-Based Loan Facility. In May 2016, we entered into an asset-based revolving credit agreement, which was amended in October 2017 and in March 2019 (as amended, the “ABL Facility”). The ABL Facility provides financing of up to $200.0 million available for borrowings (inclusive of letters of credit) and can be increased up to a maximum capacity of $275.0 million, subject to certain conditions. The ABL Facility terminates in March 2024.
As of December 31, 2021, our total availability under the ABL Facility was $116.3 million, of which $86.5 million was drawn and $1.1 million was used for outstanding letters of credit, resulting in remaining availability of $28.7 million. As of February 24, 2022, our total availability under the ABL Facility was $124.7 million, of which $83.7 million was drawn and $1.1 million was used for outstanding letters of credit, resulting in remaining availability of $39.9 million.
Borrowing availability under the ABL Facility is calculated based on eligible U.S. accounts receivable, inventory, and, subject to satisfaction of certain financial covenants as described below, composite mats included in the rental fleet, net of reserves and limits on such assets included in the borrowing base calculation. To the extent pledged by us, the borrowing base
calculation also includes the amount of eligible pledged cash. The lender may establish such reserves, in part based on appraisals of the asset base, and other limits at its discretion which could reduce the amounts otherwise available under the ABL Facility. Availability associated with eligible rental mats will also be subject to maintaining a minimum consolidated fixed charge coverage ratio of 1.5 to 1.0 and at least $1.0 million of operating income for the Site and Access Solutions business, each calculated based on a trailing twelve-month period.
Under the terms of the ABL Facility, we may elect to borrow at a variable interest rate based on either, (1) LIBOR subject to a floor of zero or (2) a base rate equal to the highest of: (a) the federal funds rate plus 50 basis points, (b) the prime rate of Bank of America, N.A. and (c) LIBOR, subject to a floor of zero, plus 100 basis points, plus, in each case, an applicable margin per annum. The applicable margin ranges from 150 to 200 basis points for LIBOR borrowings, and 50 to 100 basis points for base rate borrowings, based on the consolidated fixed charge coverage ratio as defined in the ABL Facility. As of December 31, 2021, the applicable margin for borrowings under our ABL Facility was 150 basis points with respect to LIBOR borrowings and 50 basis points with respect to base rate borrowings. The weighted average interest rate for outstanding borrowings under the ABL Facility was 1.6% at December 31, 2021. In addition, we are required to pay a commitment fee on the unused portion of the ABL Facility ranging from 25 to 37.5 basis points, based on the level of outstanding borrowings, as defined in the ABL Facility. As of December 31, 2021, the applicable commitment fee was 37.5 basis points.
The ABL Facility is a senior secured obligation, secured by first liens on substantially all of our U.S. tangible and intangible assets, and a portion of the capital stock of our non-U.S. subsidiaries has also been pledged as collateral. The ABL Facility contains customary operating covenants and certain restrictions including, among other things, those relating to the incurrence of additional debt, liens, dividends, asset sales, investments, mergers, acquisitions, affiliate transactions, stock repurchases and other restricted payments. The ABL Facility also requires a minimum consolidated fixed charge coverage ratio of 1.0 to 1.0 calculated based on a trailing twelve-month period if availability under the ABL Facility falls below $22.5 million. In addition, the ABL Facility contains customary events of default, including, without limitation, a failure to make payments under the facility, acceleration of more than $25.0 million of other indebtedness, certain bankruptcy events, and certain change of control events.
Other Debt. In August 2021, we completed sale-leaseback transactions related to certain vehicles and other equipment for net proceeds of approximately $7.9 million. The transactions have been accounted for as financing arrangements as they did not qualify for sale accounting. As a result, the vehicles and other equipment continue to be reflected on our balance sheet in property, plant and equipment, net. The financing arrangements have a weighted average annual interest rate of 5.4% and are payable in monthly installments with varying maturities through October 2025. We had $6.7 million in financing obligations outstanding under these arrangements at December 31, 2021.
In February 2021, a U.K. subsidiary entered a £6.0 million (approximately $8.3 million) term loan facility that matures in February 2024. The term loan bears interest at a rate of LIBOR plus a margin of 3.4% per year, payable in quarterly installments of £375,000 plus interest beginning March 2021 and a £1.5 million payment due at maturity. Effective January 1, 2022, the term loan bears interest at a rate of SONIA plus a margin of 3.5% per year. We had $6.1 million outstanding under this arrangement at December 31, 2021.
Certain of our foreign subsidiaries maintain local credit arrangements consisting primarily of lines of credit or overdraft facilities which are generally renewed on an annual basis. We utilize local financing arrangements in our foreign operations in order to provide short-term local liquidity needs. We had $11.8 million and $3.5 million outstanding under these arrangements at December 31, 2021 and 2020, respectively.
We incurred net interest expense of $8.8 million, $11.0 million and $14.4 million for the years ended December 31, 2021, 2020 and 2019, respectively. There was no capitalized interest for the years ended December 31, 2021, 2020 or 2019. As of December 31, 2021, we had scheduled repayments for financing arrangements of approximately $19 million in 2022, $5 million in 2023, and $91 million in 2024.