Investment Securities Schedule of Realized Gain (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Gain (Loss) on Securities [Line Items]
Proceeds	$ 10,335	$ 1,060
Gross gains	62	10
Gross losses	(37)	0
Net gains	$ 25	$ 10