Stock Based Compensation (Summary of non-vested stock and restricted stock units) (Details)	9 Months Ended
	Sep. 30, 2015 $ / shares shares
Nonvested stock [Member]
Number of shares/units outstanding (in shares):
December 31, 2014 (in shares)	83,940
Granted (in shares)	0
Vested (in shares)	(29,031)
Forfeited (in shares)	0
September 30, 2015 (in shares)	54,909
Weighted average grant date fair value (in dollars per share):
December 31, 2014 (in dollars per share) | $ / shares	$ 17.46
Granted (in dollars per share) | $ / shares	0.00
Vested (in dollars per share) | $ / shares	17.20
Forfeited (in dollars per share) | $ / shares	0.00
September 30, 2015 (in dollars per share) | $ / shares	$ 17.59
Restricted stock units [Member]
Number of shares/units outstanding (in shares):
December 31, 2014 (in shares)	16,124
Granted (in shares)	0
Vested (in shares)	(16,124)
Forfeited (in shares)	0
September 30, 2015 (in shares)	0
Weighted average grant date fair value (in dollars per share):
December 31, 2014 (in dollars per share) | $ / shares	$ 17.02
Granted (in dollars per share) | $ / shares	0.00
Vested (in dollars per share) | $ / shares	17.02
Forfeited (in dollars per share) | $ / shares	0.00
September 30, 2015 (in dollars per share) | $ / shares	$ 0.00