Change in Accounting Principle (Schedul of Impact of Accounting Changes) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Investment in limited partnerships	$ 477,000		$ 477,000		$ 527,000
Deferred tax asset	13,750,000		13,750,000		13,575,000
Retained earnings	53,312,000		53,312,000		49,386,000
Noninterest Income	4,366,000	$ 3,542,000	8,383,000	$ 6,542,000
Income tax expense	1,315,000	1,133,000	2,351,000	1,936,000
Income available to common stockholders	$ 3,218,000	$ 2,614,000	$ 5,698,000	$ 4,634,000
Basic	$ 0.44	$ 0.37	$ 0.78	$ 0.65
Diluted	$ 0.43	$ 0.36	$ 0.76	$ 0.63
As Previously Reported [Member]
Investment in limited partnerships					1,582,000
Deferred tax asset					13,305,000
Retained earnings					50,171,000
Noninterest Income		$ 3,414,000		$ 6,287,000
Income tax expense		1,062,000		1,794,000
Income available to common stockholders		$ 2,557,000		$ 4,521,000
Basic		$ 0.36		$ 0.63
Diluted		$ 0.35		$ 0.61
As Reported Under the New Guidance [Member]
Investment in limited partnerships					527,000
Deferred tax asset					13,575,000
Retained earnings					$ 49,386,000
Noninterest Income		$ 3,542,000		$ 6,542,000
Income tax expense		1,133,000		1,936,000
Income available to common stockholders		$ 2,614,000		$ 4,634,000
Basic		$ 0.37		$ 0.65
Diluted		$ 0.36		$ 0.63