Investment Securities Unrealized Gains (Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Investments, Debt and Equity Securities [Abstract]
Net Gain on Securities Transactions	$ 0	$ 223	$ 76	$ 241
Less: Net gain (loss) recognized during the reporting period on equity securities sold during the period	0	0	0	0
Unrealized net gain recognized during the reporting period on equity securities still held at the reporting date	$ 0	$ 223	$ 76	$ 241