Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Securities available for sale and transferred securities: Before Tax Amount
Change in net unrealized gain/loss during the period		$ (3,839)	$ 2,743	$ (2,337)	$ 4,465
Reclassification adjustment for net gains included in net income	[1]	0	(471)	0	(471)
Total other comprehensive loss		(3,839)	2,272	(2,337)	3,994
Securities available for sale and transferred securities: Tax Expense (Benefit)
Change in net unrealized gain/loss during the period		(1,344)	936	(817)	1,538
Reclassification adjustment for net gains included in net income		0	(141)	0	(141)
Total other comprehensive loss		(1,344)	795	(817)	1,397
Securities available for sale and transferred securities: Net of Tax Amount
Change in net unrealized gain/loss during the period		(2,495)	1,807	(1,520)	2,927
Reclassification adjustment for net gains included in net income		0	(330)	0	(330)
Total other comprehensive loss		$ (2,495)	$ 1,477	$ (1,520)	$ 2,597

[1] Amounts are included in gains on sale or call of securities on the Consolidated Condensed Statements of Income. Income tax expense associated with the reclassification adjustments, included in federal income taxes, for the three months ended June 30, 2015 and 2014 was $0 and $141, respectively. Income tax expense associated with the reclassification adjustments, included in federal income taxes, for the six months ended June 30, 2015 and 2014 was $0 and $141, respectively.