Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The components of accumulated other comprehensive income included in stockholders’ equity as of December 31, 2013 and 2012 are as follows (in thousands):

	Unrealized Gain (Loss) on Available for Sale Securities			Securities with Other-Than-Temporary Impairment Losses			Total
December 31, 2013
Net unrealized losses on securities available-for-sale	$	(10,272	)	$	—		$	(10,272	)
Securities with other-than-temporary impairment losses	—			(3,461		)	(3,461		)
Tax benefit	4,004			1,349			5,353
Balance at December 31, 2013	$	(6,268	)	$	(2,112	)	$	(8,380	)
December 31, 2012
Net unrealized gains on securities available-for-sale	$	11,836		$	—		$	11,836
Securities with other-than-temporary impairment losses	—			(4,389		)	(4,389		)
Tax benefit (expense)	(4,614		)	1,711			(2,903		)
Balance at December 31, 2012	$	7,222		$	(2,678	)	$	4,544

Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income [Table Text Block]

Amounts reclassified from accumulated other comprehensive income and the affected line items in the statements of income during the years ended December 31, 2013, 2012 and 2011 , were as follows:

	Amounts Reclassified from Other Comprehensive Income									Affected Line Item in the Statements of Income
	2013			2012			2011
Unrealized gains on available-for-sale securities	$	2,293		934			486			Securities gains, net (Total reclassified amount before tax)
	(894		)	(364		)	(189		)	Tax expense
Total reclassifications out of accumulated other comprehensive income	$	1,399		$	570		$	297		Net reclassified amount