Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Derivative Instruments [Abstract]

Derivative financial instruments

	September 30, 2012			December 31, 2011
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Derivative assets:
Not designated as hedging instruments:
Interest rate contracts	Other Assets	$	3,360	Other Assets	$	2,132
Interest rate lock commitments	Other Assets		2,862	Other Assets		1,197
Totals		$	6,222		$	3,329
Derivative liabilities:
Designated as hedging instruments:
Interest rate swap	Other Liabilities	$	2,234	Other Liabilities	$	—
Totals		$	2,234		$	—
Not designated as hedging instruments:
Interest rate contracts	Other Liabilities	$	3,340	Other Liabilities	$	2,063
Forward commitments	Other Liabilities		1,819	Other Liabilities		427
Totals		$	5,159		$	2,490

Gains (losses) on derivative financial instruments included in the Consolidated Statements of Income

	Three Months  Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Derivatives designated as hedging instruments:
Interest rate swaps (terminated May 2010):
Included in interest income on loans	$	115		$	154		$	419		$	457
Total	$	115		$	154		$	419		$	457
Derivatives not designated as hedging instruments:
Interest rate contracts:
Included in interest income on loans	$	583		$	203		$	1,466		$	363
Included in other noninterest expense		(14	)		—			20			—
Interest rate lock commitments:
Included in gains on sales of mortgage loans held for sale		1,145			1,324			1,667			1,478
Forward commitments
Included in gains on sales of mortgage loans held for sale		(2,684	)		(808	)		(3,626	)		(839	)
Total	$	(970	)	$	719		$	(473	)	$	1,002