Income Taxes (Summary of Uncertain Tax Positions Included in Income Tax Provision) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Taxes [Abstract]
Current (provision) benefit for UTPs	$ (244)	$ (1,751)	$ (1,052)	$ (2,488)
Deferred benefit (provision) for UTPs	50	86	222	239
Tax (provision) benefit for UTPs	$ (194)	$ (1,665)	$ (830)	$ (2,249)