Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Securities available for sale and transferred securities: Before Tax Amount
Change in net unrealized gain (loss) during the period	$ 2,743		$ (5,500)		$ 4,465		$ (6,164)
Reclassification adjustment for net (gains) losses included in net income, Before Tax Amount	(471)	[1]	(43)	[1]	(471)	[1]	(97)	[1]
Total other comprehensive income (loss), Before Tax Amount	2,272		(5,544)		3,994		(6,261)
Securities available for sale and transferred securities: Tax Expense (Benefit)
Change in net unrealized gain/loss during the period, Tax Expense (Benefit)	936		(1,927)		1,538		(2,162)
Reclassification adjustment for net (gains) losses included in net income, Tax Expense (Benefit)	(141)		(13)		(141)		(29)
Total other comprehensive income (loss), Tax Expense (Benefit)	795		(1,940)		1,397		(2,191)
Securities available for sale and transferred securities: Net of Tax Amount
Change in net unrealized gain/loss during the period, Net of Tax Amount	1,807		(3,573)		2,927		(4,002)
Reclassification adjustment for net (gains) losses included in net income, Net of Tax Amount	(330)		(31)		(330)		(68)
Other comprehensive income (loss)	$ 1,477		$ (3,604)		$ 2,597		$ (4,070)

[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, 2014 and 2013 was $141 and $13, respectively. Income tax expense associated with the reclassification adjustments, included in federal income taxes, for the six months ended June 30, 2014 and 2013 was $141 and $29, respectively.