Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Gross liability for unrecognized tax benefits, exclusive of interest and penalties	$ 17,122	$ 15,356
Unrecognized tax benefits that would affect effective tax rate	17,097	15,194
Interest and penalties on unrecognized benefits	2,387	$ 1,962
Settlement and Lapse of Statute
Income Tax Contingency [Line Items]
Unrecognized tax benefits within the next twelve months	$ 4,950