Accumulated Other Comprehensive Income (Loss) (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Net unrealized gains and losses, beginning of period			$ (1,847)	$ (1,191)
Other comprehensive gain (losses), net of tax before reclassifications	$ 671	$ (451)	3,562	(1,442)
Net other comprehensive gain (loss)	671	(451)	3,562	(1,442)
Net unrealized gains and losses, end of period	$ 1,715	$ (2,633)	$ 1,715	$ (2,633)