Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill And Other Intangible Assets [Line Items]
Goodwill impairment	$ 0	$ 0	$ 0
Discrete forecast period	5 years
Intangible assets, net	$ 2,952,000	3,297,000
Finite-lived intangible assets, net	700,000	1,100,000
Amortization of intangible assets	27,900,000	27,500,000
Impairment expense	0	0	$ 0
Trademarks and Trade Names
Goodwill And Other Intangible Assets [Line Items]
Intangible assets, net	$ 2,200,000	$ 2,200,000