Investment Securities (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Amount of OTTI related to credit loss Beginning Balance	$ 3,176	$ 3,251	$ 3,249
Additions for amounts related to credit loss for which an OTTI was not previously recognized	337	0	0
Reductions for amounts realized for securities sold/redeemed during the period	0	(80)	0
Reductions for amounts related to securities for which the Company intends to sell or that it will be more likely than not that the Company will be required to sell prior to recovery of amortized cost basis	0	0	0
Reductions for increase in cash flows expected to be collected that are Recognized over the remaining life of the security	0	0	0
Increases to the amount related to the credit loss for which Other-than-temporary was previously recognized	0	5	2
Amount of OTTI related to credit loss Ending Balance	$ 3,513	$ 3,176	$ 3,251