Other Real Estate Owned ("OREO") (Foreclosed Real Estate Roll Forward) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Repossessed Assets Rollforward [Roll Forward]
Balance at beginning of year		$ 8,111	$ 9,341	$ 9,341
Additions of underlying property	$ 3,200	3,249	238	307
Disposals of underlying property		(416)	(991)	(1,005)
Valuation allowance		(637)	(283)	(532)
Balance at end of period	$ 10,307	$ 10,307	$ 8,305	$ 8,111