Goodwill and Other Intangible Assets, Net - Narrative (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 72,800,000				$ 72,800,000				$ 72,800,000	$ 72,800,000
Goodwill impairment									0	0
Accumulated impairment loss	0								0
Amortization of intangible assets	$ 2,300,000	$ 2,300,000	$ 2,700,000	$ 2,700,000	$ 2,400,000	$ 2,500,000	$ 2,600,000	$ 2,500,000	$ 10,000,000.0	10,000,000.0	$ 8,500,000
Reduction of the cost and associated accumulated amortization for fully amortized software										$ 2,700,000