Securities (Schedule of Securities in a Gross Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Securities with unrealized loss position
Less than 12 Months, Fair Value	$ 40,897	$ 36,686
Less than 12 Months, Unrealized Losses	613	319
More than 12 Months, Fair Value	8,947	17,075
More than 12 Months, Unrealized Losses	265	383
Total, Fair Value	49,844	53,761
Total, Unrealized Losses	878	702
Mortgage-backed securities of government-sponsored entities [Member]
Securities with unrealized loss position
Less than 12 Months, Fair Value	32,810	32,930
Less than 12 Months, Unrealized Losses	409	269
More than 12 Months, Fair Value	7,978	14,560
More than 12 Months, Unrealized Losses	173	261
Total, Fair Value	40,788	47,490
Total, Unrealized Losses	582	530
Private-label collateralized mortgage obligations [Member]
Securities with unrealized loss position
Less than 12 Months, Fair Value
Less than 12 Months, Unrealized Losses
More than 12 Months, Fair Value	40
More than 12 Months, Unrealized Losses	1
Total, Fair Value	40
Total, Unrealized Losses	1
State and political subdivisions [Member]
Securities with unrealized loss position
Less than 12 Months, Fair Value	8,087	3,756
Less than 12 Months, Unrealized Losses	204	50
More than 12 Months, Fair Value	929	2,515
More than 12 Months, Unrealized Losses	91	122
Total, Fair Value	9,016	6,271
Total, Unrealized Losses	$ 295	$ 172