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Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2021
Fair Value Disclosures [Abstract]  
Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis
Our financial assets and liabilities measured at fair value on a recurring basis are as follows:
 Fair value measurements as of September 30, 2021
(In thousands)Quoted
prices in
active
markets for
identical
assets
(Level 1)		Significant
other
observable
inputs
(Level 2)		Significant
unobservable
inputs
(Level 3)		Total
Assets:
Equity securities$6,548 $— $— $6,548 
Common stock options/warrants— 46 — 46 
Forward contracts— 684 — 684 
Total assets$6,548 $730 $— $7,278 
Liabilities:
Contingent consideration— — 2,985 2,985 
Total liabilities$— $— $2,985 $2,985 
Fair value measurements as of December 31, 2020
(In thousands)Quoted
prices in
active
markets for
identical
assets
(Level 1)		Significant
other
observable
inputs
(Level 2)		Significant
unobservable
inputs
(Level 3)		Total
Assets:
Equity securities$14,136 $— $— $14,136 
Common stock options/warrants— 74 — 74 
Total assets$14,136 $74 $— $14,210 
Liabilities:
Forward contracts— 1,040 — 1,040 
Contingent consideration— — 5,695 5,695 
Total liabilities$— $1,040 $5,695 $6,735 
Carrying Amount and Estimated Fair Value of Long-Term Debt
The carrying amount and estimated fair value of our 2025 Notes, as well as the applicable fair value hierarchy tiers, are contained in the table below. The fair value of the 2025 Notes is determined using inputs other than quoted prices in active markets that are directly observable.

September 30, 2021
(In thousands)Carrying
Value		Total
Fair Value		Level 1Level 2Level 3
2025 Notes$117,661 $179,046 $— $179,046 $— 
Reconciliation of the Beginning and Ending Balances of Level 3 Assets
The following table reconciles the beginning and ending balances of our Level 3 assets and liabilities as of September 30, 2021:
September 30, 2021
(In thousands)Contingent
consideration
Balance at December 31, 2020$5,695 
Change in fair value:
Included in results of operations(1,556)
Foreign currency impact8 
Payments(1,162)
Balance at September 30, 2021$2,985 
Reconciliation of the Beginning and Ending Balances of Level 3 Liabilities
The following table reconciles the beginning and ending balances of our Level 3 assets and liabilities as of September 30, 2021:
September 30, 2021
(In thousands)Contingent
consideration
Balance at December 31, 2020$5,695 
Change in fair value:
Included in results of operations(1,556)
Foreign currency impact8 
Payments(1,162)
Balance at September 30, 2021$2,985