Shareholders' Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ (810)	$ (692)
Other comprehensive income (loss) before reclassifications, net of tax	630	(118)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0	0
Other comprehensive income (loss), net of tax	630	(118)
Ending Balance	(180)	(810)
Unrealized Gain (Loss) on Securities Available-for-Sale, net of tax
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(810)	(692)
Other comprehensive income (loss) before reclassifications, net of tax	630	(118)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0	0
Other comprehensive income (loss), net of tax	630	(118)
Ending Balance	$ (180)	$ (810)