Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Derivative Financial Instruments [Abstract]

Notional amounts and estimated fair values of outstanding derivative positions

The notional amounts and estimated fair values of oil and gas derivative positions outstanding are presented in the following table:

	March 31, 2013
Oil and Natural Gas Swaps and Options	Notional Units	Notional Amount			Estimated Fair  Value
	(Notional amounts and dollars in thousands)
Oil
Derivative assets	Barrels		877		$	2,174
Derivative liabilities	Barrels		(877	)		(1,215	)
Natural Gas
Derivative assets	MMBTUs		4,653			1,250
Derivative liabilities	MMBTUs		(4,653	)		(443	)
Total Fair Value	Included in
Derivative assets	Other assets					3,424
Derivative liabilities	Other liabilities					1,658

Recognized derivative income included in other noninterest income

The following table is a summary of the Company’s recognized income related to the activity, which was included in other noninterest income:

	Three Months Ended March 31,
	2013		2012
	(Dollars in thousands)
Derivative income	$	108	$	209

Summary of the Company's net credit exposure relating to oil and gas swaps

The following table is a summary of the Company’s net credit exposure relating to oil and gas swaps and options with bank counterparties:

	March 31, 2013
	(Dollars in thousands)
Credit exposure	$	840