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Restricted Cash
9 Months Ended
Sep. 30, 2020
Cash and Cash Equivalents [Abstract]  
Restricted Cash Restricted Cash
The following table provides the components of restricted cash (in thousands):
September 30,
2020
December 31,
2019
Asset retirement obligation surety bonds (collateralized obligation)$39,654 $39,477 
First Lien Agreement restricted cash - Note 10— 3,270 
Total$39,654 $42,747 
As of September 30, 2020, the Company's asset retirement obligation was secured with surety bonds totaling $59.9 million, which were partially collateralized by the restricted cash shown above. Restricted cash from Seller's First Lien Agreement was released on May 29, 2020 when such indebtedness was repaid in conjunction with the Recapitalization Transaction (see Note 3 - Recapitalization Transaction).