Stockholders' Equity and EPS Reclassifications out of AOCI (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reclassifications out of AOCI [Abstract]
Reclassification adjustment for losses (gains) included in net income	$ (219)	$ 101	$ (949)	$ (3,592)
Related tax expense (benefit)	85	(41)	363	1,421
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax	$ (134)	$ 60	$ (586)	$ (2,171)