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Fair Value Measurements - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Fair Value Disclosures [Abstract]      
Goodwill and intangible impairment charges $ 10,490,000 $ 10,490,000 $ 0