Investment Securities (Gains and Losses on Sales) (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Investments, Debt and Equity Securities [Abstract]
Gain on Sale of Investments	$ 38	$ 0	$ 7,701	$ 0
Gain (Loss) on Sale of Investments	(1,469)	(729)	(3,080)	(3,097)
Loss on Sale of Investments	$ (1,507)	$ (729)	$ (10,781)	$ (3,097)