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Debt (Tables)
 6 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
Our long-term debt consists of the following (in thousands):
June 30, 2026December 31, 2025
Senior Notes
$397,693 $397,319 
Credit Facility
122,912 125,435 
Acquisition debt, net of current portion
5,411 5,581 
Total Long-term debt
$526,016 $528,335 
The interest expense and amortization of debt discount and debt issuance costs related to our Senior Notes are as follows (in thousands):
Three months ended June 30,Six months ended June 30,
2026202520262025Filter Handle
Senior Notes interest expense4,250 4,250 $8,500 $8,500 X
Senior Notes amortization of debt discount145 140 291 278 X
Senior Notes amortization of debt issuance costs42 40 83 79 X
Our Credit Facility and acquisition debt consisted of the following (in thousands): 
June 30, 2026December 31, 2025
Credit Facility$124,000 $126,700 
Debt issuance costs, net of accumulated amortization of $3,477 and $3,300, respectively
(1,088)(1,265)
Total Credit Facility$122,912 $125,435 
Acquisition debt$6,205 $6,188 
Less: current portion(794)(607)
Total acquisition debt, net of current portion$5,411 $5,581 
The interest expense and amortization of debt issuance costs related to our Credit Facility are as follows (in thousands):
Three months ended June 30,Six months ended June 30,
2026202520262025
Credit Facility interest expense1,977 2,102 $3,964 $4,601 
Credit Facility amortization of debt issuance costs90 89 177 177 
The imputed interest expense related to our acquisition debt is as follows (in thousands):
Three months ended June 30,Six months ended June 30,
2026202520262025
Acquisition debt imputed interest expense$112 $93 262 187 
Schedule of Carrying Values
The carrying value of our 4.25% senior notes due 2029 (the “Senior Notes”) is reflected on our Condensed Consolidated Balance Sheets as follows (in thousands):
June 30, 2026December 31, 2025
Principal amount$400,000 $400,000 
Debt discount, net of accumulated amortization of $2,702 and $2,411, respectively
(1,798)(2,089)
Debt issuance costs, net of accumulated amortization of $768 and $685, respectively
(509)(592)
Carrying value of the Senior Notes$397,693 $397,319