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Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value
Our liabilities measured at fair value were as follows:
 September 30, 2021December 31, 2020
 Level 1Level 2Level 3Total Fair
Value		Level 1Level 2Level 3Total Fair
Value
Liabilities:        
Debt (a)
— $9,132 — $9,132 — $9,011 — $9,011 
(a)The fair value for non-publicly traded debt is based upon estimates from a market maker and brokerage firm.  Refer to Note 13 for information related to the carrying value of our debt as of September 30, 2021 and December 31, 2020.