Income Taxes (Schedule of Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
Income tax based on income from continuing operations, at estimated tax rates of 32.8% in 2017 and 38.7% in 2016, respectively	$ 989	$ 6,258	$ 6,744	$ 14,131
Provision for change in estimated tax rate	36	(203)
Income tax expense before discrete items	1,025	6,055	6,744	14,131
Discrete tax expense/(benefit):
Provision for/resolution of tax audits and contingencies, net	109		961	(825)
Uncertain Tax Positions	490		490
Adjustments to prior period tax liabilities	189		189	(243)
Other discrete tax adjustments, net	(34)	27	(55)	62
Total income tax expense	$ 1,779	$ 6,082	$ 8,329	$ 13,125