Goodwill and Core Deposit and Trust Relationship Intangibles (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Core Deposit and Trust Relationship Intangibles [Abstract]

Schedule of Goodwill [Table Text Block]

The changes in goodwill for the years ended December 31, 2013 and 2012 are shown in the table below:

	Banking		Financial Services			Total
December 31, 2011:
Goodwill	$	34,720	$	7,750		$	42,470
Accumulated impairment losses	—		(740		)	(740		)
Reported goodwill	34,720		7,010			41,730
2012 activity	6,182		(276		)	5,906
December 31, 2012:
Goodwill	40,902		7,474			48,376
Accumulated impairment losses	—		(740		)	(740		)
Reported goodwill	40,902		6,734			47,636
2013 activity	—		(2,830		)	(2,830		)
December 31, 2013:
Goodwill	40,902		7,474			48,376
Accumulated impairment losses	—		(3,570		)	(3,570		)
Reported goodwill	$	40,902	$	3,904		$	44,806

Unobservable Inputs Used Within Discounted Cash Flow Methodology [Table Text Block]

The following table presents the key Level 3 unobservable inputs used within the discounted cash flow model to measure fair value of the financial services reporting unit at November 30, 2013:

Valuation Methodology	Unobservable Input	Input Used
Discounted cash flow	Revenue growth rate	5.0%
	Margin percentage	8.3%
	Discount rate	16.5%
	Fair value weighting	50.0%
Market approach	Fair value weighting	50.0%

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The changes in core deposit intangible and trust relationship intangible assets for the years ended December 31, 2013 and 2012 are shown in the table below:

	Core Deposit Intangible								Trust Relationship Intangible
	Total		Accumulated Amortization			Net			Total		Accumulated Amortization			Net
Balance at December 31, 2011	$	14,444	$	(11,432	)	$	3,012		$	753	$	(301	)	$	452
2012 activity	2,856		(582		)	2,274			—		(75		)	(75		)
Balance at December 31, 2012	17,300		(12,014		)	5,286			753		(376		)	377
2013 activity	—		(1,074		)	(1,074		)	—		(76		)	(76		)
Balance at December 31, 2013	$	17,300	$	(13,088	)	$	4,212		$	753	$	(452	)	$	301

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

It is estimated that core deposit and trust relationship intangible assets will be fully amortized as of December 31, 2017. The following table reflects the expected amortization schedule for intangible assets at December 31, 2013.

	Core Deposit Intangible		Trust Relationship Intangible
2014	$	1,073	$	75
2015	1,073		75
2016	1,073		75
2017	993		76
Total unamortized intangible	$	4,212	$	301