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Acquisition-Related Obligations
 9 Months Ended
Sep. 30, 2022
Fair Value Disclosures [Abstract]  
Acquisition-Related Obligations Acquisition-Related Obligations
Acquisition-related obligations consisted of the following:
September 30, 2022December 31, 2021
Contingent Revenue Obligation$29,454 $35,005 
Environmental Settlement Obligations677 6,633 
Discount— (233)
Total acquisition-related obligations$30,131 $41,405 
Less current portion(30,131)(22,405)
Acquisition-related obligations, net of current portion$— $19,000 

Contingent Revenue Obligation
As of September 30, 2022 and December 31, 2021, the carrying value of the Contingent Revenue Obligation was $29,454 and $35,005, with $29,454 and $16,005 classified as current, respectively, classified as an acquisition-related obligation in the Condensed Consolidated Balance Sheets. Refer to Note 12 for further disclosures related to the fair value assignment and methods used.