Comprehensive Income (Loss) (The Effect of the Reclassifications from Comprehensive Income (Loss) to Earnings) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, Before Tax	$ 174	$ (255)
Foreign currency translation adjustments, Tax	0	0
Foreign currency translation adjustments, Net of Tax	174	(255)
Net change related to available-for-sale securities: Unrealized gains, Before Tax	138	26
Net change related to available-for-sale securities: Unrealized gains, Tax	(28)	(5)
Net change related to available-for-sale securities: Unrealized gains, Net of Tax	110	21
Reclassification adjustments for gains included in interest income and other, Before Tax	0	(3)
Reclassification adjustments for gains included in interest income and other, Tax	0	0
Reclassification adjustments for gains included in interest income and other, Net of Tax	0	(3)
Total unrealized gains on available-for-sale securities	138	23
Total net changes related to available-for-sale securities, Tax	(28)	(5)
Total net changes related to available-for-sale securities, Net of Tax	110	18
Other comprehensive income (loss), before tax	312	(232)
Other comprehensive income (loss), Tax	(28)	(5)
Other comprehensive income (loss), net of tax	$ 284	$ (237)