Stock Based Compensation (Summary of non-vested stock and restricted stock units) (Details) - Jun. 30, 2015 - $ / shares	Total
Nonvested stock [Member]
Number of shares/units outstanding (in shares):
December 31, 2014 (in shares)	83,940
Granted (in shares)	0
Vested (in shares)	0
Forfeited (in shares)	0
June 30, 2015 (in shares)	83,940
Weighted average grant date fair value (in dollars per share):
December 31, 2014 (in dollars per share)	$ 17.46
Granted (in dollars per share)	0.00
Vested (in dollars per share)	0.00
Forfeited (in dollars per share)	0.00
June 30, 2015 (in dollars per share)	$ 17.46
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)	(11,124)
Forfeited (in shares)	0
June 30, 2015 (in shares)	5,000
Weighted average grant date fair value (in dollars per share):
December 31, 2014 (in dollars per share)	$ 17.02
Granted (in dollars per share)	0.00
Vested (in dollars per share)	18.39
Forfeited (in dollars per share)	0.00
June 30, 2015 (in dollars per share)	$ 13.96