Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

v3.19.3
Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2019
Mar. 31, 2019
Mar. 31, 2018
Fair Value Disclosures [Abstract]      
Increase (decrease) in contingent liability   $ (1.5)  
Repayments of related party debt $ 3.0   $ 1.0