Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Changes in balances of each component of accumulated other comprehensive income, net of taxes [Roll Forward]
Beginning balance	$ 9,279
Total other comprehensive income (loss), net of tax	(4,695)	$ 3,075
Ending balance	4,584	9,279
AOCI Attributable to Parent [Member]
Changes in balances of each component of accumulated other comprehensive income, net of taxes [Roll Forward]
Total other comprehensive income (loss), net of tax	(4,695)	3,075
Unrealized Gains on Available-for-Sale Securities [Member]
Changes in balances of each component of accumulated other comprehensive income, net of taxes [Roll Forward]
Beginning balance	9,279
Other comprehensive income (loss) before reclassifications	(1,538)
Amounts reclassified from accumulated other comprehensive income	(3,157)
Total other comprehensive income (loss), net of tax	(4,695)
Ending balance	$ 4,584	$ 9,279