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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Fair Value of Financial Liability Measured on a Non-recurring Basis The following table presents certain information for our financial liability that is not measured at fair value on a recurring basis at December 31, 2020 and 2019:
 December 31, 2020December 31, 2019
 Carrying
Amount
Fair ValueCarrying
Amount
Fair Value
Liabilities:    
Senior Notes$870,256 $883,580 $900,000 $812,250