Income Taxes - Schedule of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments [Abstract]
U.S. Federal, Current	$ 13,372	$ 10,953	$ 15,105
U.S. Federal, Deferred	4,172	3,466	(8,784)
U.S. Federal, Total	17,544	14,419	6,321
U.S. state and local, Current	1,912	2,032	1,636
U.S. state and local, Deferred	(116)	51	(524)
U.S. state and local, Total	1,796	2,083	1,112
Foreign jurisdictions, Current	1,408	1,576	710
Foreign jurisdictions, Deferred	18	(255)	389
Foreign jurisdictions, Total	1,426	1,321	1,099
Income tax provision (benefit), Current	16,692	14,561	17,451
Income tax provision (benefit), Deferred	4,074	3,262	(8,919)
Income tax provision (benefit), Total	$ 20,766	$ 17,823	$ 8,532