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Debt
 12 Months Ended
Dec. 31, 2021
Long-term Debt, Unclassified [Abstract]  
Debt DEBT
Long-term debt consists of the following (in thousands):

December 31, 2021December 31, 2020
Revolving credit facility$24,500 $85,000 
Other debt— 636 
Less unamortized debt issuance costs(719)— 
Total debt$23,781 $85,636 

Senior Credit Agreement

On January 24, 2019, the Company entered into the Sixth Amended and Restated Credit Agreement ("Senior Credit Agreement"), which amended and restated the Company’s Fifth Amended and Restated Credit Agreement dated December 9, 2015, and provided a revolving credit facility and letters of credit in an aggregate amount equal to $400 million. The Company can request additional financing to increase the revolving credit facility to $700 million or enter into a term loan of up to $300 million subject to conditions set forth in the Senior Credit Agreement. The Senior Credit Agreement contains three financial covenants. As of December 31, 2021, the Company was in compliance with all three covenants.

Interest rates on the revolving credit facility are based on LIBOR plus an additional margin that ranges from 1.125% to 2.00%. In addition, the revolving credit facility is subject to an undrawn commitment fee ranging between 0.15% and 0.25% based on the Total Leverage Ratio and the daily average undrawn balance. The Senior Credit Agreement terminates on January 23, 2024.

Borrowings under the Senior Credit Agreement are secured by the trade receivables, inventory, personal property, equipment, and general intangibles of the Company’s significant domestic subsidiaries. Capital distributions are subject to certain Total Leverage Ratio requirements and capped by an annual aggregate limit under the Senior Credit Agreement.

Standby letters of credit of $6.2 million have been issued under the Senior Credit Agreement to third parties on behalf of the Company as of December 31, 2021. These letters of credit reduce the amount otherwise available under the revolving credit facility. The Company had $369.3 million and $309.2 million of availability under the revolving credit facility as of December 31, 2021 and 2020, respectively.

Total cash paid for interest in the years ended December 31 was (in thousands):
202120202019
Interest expense, net$1,639 $703 $2,323 
Interest income 269 276 764 
Other non-cash adjustments(345)(345)(380)
Cash paid for interest$1,563 $634 $2,707