Shareholders' Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ (692)	$ (2,154)
Other comprehensive income (loss) before reclassifications, net of tax	(139)	1,462
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0	0
Other comprehensive income (loss), net of tax	(139)	1,462
Ending Balance	(831)	(692)
Unrealized Gain (Loss) on Securities Available-for-Sale, net of tax [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(692)	(2,154)
Other comprehensive income (loss) before reclassifications, net of tax	(139)	1,462
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0	0
Other comprehensive income (loss), net of tax	(139)	1,462
Ending Balance	$ (831)	$ (692)