Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance					$ 98
Other comprehensive income (loss)	(7)		4		(31)		(6)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	67				67
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	74	[1]	97	[1]	98	[1]	107	[1]
Other comprehensive income before reclassifications	(7)	[1]	4	[1]	(31)	[1]	(6)	[1]
Amount reclassified from accumulated other comprehensive income		[1],[2]		[1],[2]		[1],[2]		[1],[2]
Other comprehensive income (loss)	(7)	[1]	4	[1]	(31)	[1]	(6)	[1]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	$ 67	[1]	$ 101	[1]	$ 67	[1]	$ 101	[1]

[1] All amounts are net of tax. Amounts in parentheses indicate a reduction of other comprehensive income.

[2] There were no amounts reclassified out of other comprehensive income for the three and nine months ended September 30, 2014 and 2013.