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Leases - Schedule of Other Information Related to Leases (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2019
USD ($)
Leases [Abstract]    
Measurement of operating lease liabilities $ 1.4 $ 3.8
Operating lease right-of-use assets $ 5.5 $ 5.5
Weighted average remaining operating lease term 5 years 7 months 6 days 5 years 7 months 6 days
Operating lease liabilities percentage 6.20% 6.20%
Additional operating lease that had not yet commenced $ 10.0 $ 10.0
Lease term 10 years 9 months 18 days 10 years 9 months 18 days