Summary of Significant Accounting Policies (AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income (loss), net of tax	$ (6,473)	$ (2,304)
Realized gains on available-for-sale securities	901	616	$ 1,192
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax	(261)	(216)	(465)
Total reclassifications out of accumulated other comprehensive income	640	400	$ 727
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net unrealized losses on securities available-for-sale	(8,951)	(2,619)
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	166	281
Securities with other-than-temporary impairment losses	0	(345)
Tax benefit	2,644	841
Other Than Temporary Impairment Losses Investments Portion In Accumulated Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Available For Sale Securities	0	(100)
Other Comprehensive Income (Loss), Tax	2,644	941
Accumulated Other Comprehensive Income (Loss), Debt Securities, Available-for-sale, Adjustment, after Tax	(6,473)	(2,059)
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Debt Securities	$ 0	$ 245