Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning Balance	$ (437)	$ 708
Other comprehensive (loss) income	300	(1,263)
Reclassification of (gains) losses recognized		234
Accumulated other comprehensive income (loss), Ending Balance	(137)	(321)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning Balance	(437)	1,894
Other comprehensive (loss) income	300	(1,670)
Reclassification of (gains) losses recognized		(545)
Accumulated other comprehensive income (loss), Ending Balance	(137)	(321)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning Balance	0	(1,186)
Other comprehensive (loss) income	0	407
Reclassification of (gains) losses recognized		779
Accumulated other comprehensive income (loss), Ending Balance	$ 0	$ 0