Income Taxes - Schedule of Reconciliation of Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
U.S. federal statutory income tax rate	$ 9,419	$ 6,907	$ (7,662)
U.S. state and local income taxes, net of U.S. federal income tax benefits	3,144	1,430	(1,075)
Unrecognized tax benefit	0	(9)	(603)
Valuation allowance	1,833	89	1,208
Non-taxable income	(637)	(1,055)	(1,267)
Provision to return adjustments	(326)	(1,277)	(4,167)
Impact of the TCJA	0	(9,013)	0
Change in state and foreign tax rates	267	(353)	264
Foreign tax rate differentials	112	974	143
Excess tax benefits from share-based awards	(81)	(493)	0
Other non-deductible expenses	2,246	666	897
Current and Deferred Income Tax Expense (Benefit) from Continuing Operations	$ 15,977	$ (2,134)	$ (12,262)
U.S. federal statutory income tax rate, percent	21.00%	35.00%	35.00%
U.S. state and local income taxes, net of U.S. federal income tax benefits, percent	7.00%	7.20%	4.90%
Unrecognized tax benefits, percent	0.00%	0.00%	2.80%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	4.10%	0.50%	(5.50%)
Other, percent	(1.40%)	(5.30%)	5.80%
Adjustment to reflect prior year tax return filings, percent	(0.70%)	(6.50%)	19.00%
Effective Income Tax Reconciliation, impact of the TCJA Tax Reform, Percent	0.00%	(45.70%)	0.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	0.60%	(1.80%)	(1.20%)
Non-U.S. operations, percent	0.20%	4.90%	(0.70%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent	(0.20%)	(2.50%)	(0.00%)
Business promotion and other non-deductible expenses, percent	5.00%	3.40%	(4.10%)
Total income tax expense, percent	35.60%	(10.80%)	56.00%