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Derivative Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2011
Derivative Instruments and Hedging Activities Disclosure [Abstract] 
Summary of Notional Amounts and Fair Values of Derivative Financial Instruments
The following table presents a summary of the notional amounts and fair values of derivative financial instruments recorded on the consolidated balance sheets, none of which have been designated as hedging instruments:
 
September 30, 2011
 
December 31, 2010
 
Notional
Amount
 
Asset
(Liability)
Fair Value
 
Notional
Amount
 
Asset
(Liability)
Fair Value
 
(in thousands)
Interest Rate Locks with Customers:
 
 
 
 
 
 
 
Positive fair values
$
287,898

 
$
6,947

 
$
140,682

 
$
777

Negative fair values
3,154

 
(26
)
 
50,527

 
(760
)
Net Interest Rate Locks with Customers

 
6,921

 

 
17

Forward Commitments:
 
 
 
 
 
 
 
Positive fair values
5,180

 
5

 
558,861

 
8,479

Negative fair values
297,192

 
(5,643
)
 
—

 
—

Net Forward Commitments

 
(5,638
)
 

 
8,479

Net derivative fair value asset
 
 
$
1,283

 
 
 
$
8,496

Summary of Fair Value Gains and Losses on Derivative Financial Instruments
The following table presents a summary of the fair value gains and losses on derivative financial instruments for the three and nine months ended September 30:
 
Three Months Ended
September 30
 
Nine Months Ended
September 30
 
2011
 
2010
 
2011
 
2010
 
(in thousands)
Interest rate locks with customers
$
4,902

 
$
3,764

 
$
6,904

 
$
6,285

Forward commitments
(4,794
)
 
2,005

 
(14,117
)
 
(4,171
)
Fair value gains (losses) on derivative financial instruments
$
108

 
$
5,769

 
$
(7,213
)
 
$
2,114