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Interest Expense, Net (Tables)
 6 Months Ended
Jun. 30, 2021
Other Income and Expenses [Abstract]  
Schedule of Interest Expense, Net
Interest expense consists of the following:
Three Months EndedSix Months Ended
June 30,June 30,
2021202020212020
Bank credit facility:
Senior secured revolving loan facility (1)
$850 $1,004 $1,579 $2,544 
Interest rate swap316 — 617 — 
Amortization and write-off of deferred debt issuance costs221 139 796 277 
1,387 1,143 2,992 2,821 
2026 Notes:
Coupon interest217 — 371 — 
Amortization of deferred debt issuance costs907 — 1,561 — 
1,124 — 1,932 — 
2027 Notes:
Coupon interest12 — 12 — 
Amortization of deferred debt issuance costs14 — 14 — 
26 — 26 — 
Other obligations45 13 33 25 
Total interest expense$2,582 $1,156 $4,983 $2,846 
(1)The weighted average interest rate was 2.11% and 1.48% for the three months ended June 30, 2021 and 2020, respectively, and 2.02% and 2.18% for the six months ended June 30, 2021 and 2020, respectively.
Interest expense, net is comprised of the following:
Three Months EndedSix Months Ended
June 30,June 30,
2021202020212020
Interest expense$(2,582)$(1,156)$(4,983)$(2,846)
Interest income129 28 211 330 
Interest expense, net$(2,453)$(1,128)$(4,772)$(2,516)