Goodwill and Other Intangible Assets - Net - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 67,200,000		$ 67,200,000		$ 67,200,000
Goodwill impairment			0	$ 0
Amortization expense	$ 3,700,000	$ 2,900,000	$ 7,700,000	$ 5,900,000