Income Taxes (Schedule of Current Income Taxes Prepaid and Receivable) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Prepaid taxes	$ 4,859	$ 4,872
Taxes receivable	2,614	1,394
Total current income taxes prepaid and receivable	$ 7,473	$ 6,266

Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant