Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Aug. 01, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 1,299,878,000	$ 154,757,000		$ 1,145,121,000
Goodwill impairment charge	0	0	$ 73,041,000
Impairment of intangible assets	0	0	368,000
Amortization expense for intangible assets	$ 11,700,000	$ 3,400,000	$ 2,000,000.0
Other intangible assets				$ 159,532,000