Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Stock-Based Compensation [Abstract]

Summary of the activity under stock option plan

The following table is a summary of the activity under both the BancFirst ISOP and the BancFirst Directors’ Stock Option Plan:

	Options			Wgtd. Avg. Exercise Price		Wgtd. Avg. Remaining Contractual Term			Aggregate Intrinsic Value
	(Dollars in thousands, except per share data)
Three Months Ended March 31, 2013
Outstanding at December 31, 2012		1,216,981		$	31.98
Options granted		—			—
Options exercised		(8,250	)		17.22
Options cancelled, forfeited or expired		—			—
Outstanding at March 31, 2013		1,208,731			32.08		8.43	Yrs	$	11,632
Exercisable at March 31, 2013		626,031			26.20		5.01	Yrs	$	9,703

Options granted and options exercised under stock option plan

The following table has additional information regarding options granted and options exercised under both the BancFirst ISOP and the BancFirst Directors’ Stock Option Plan:

	Three Months Ended March 31,
	2013		2012
	(Dollars in thousands)
Total intrinsic value of options exercised	$	348	$	1,132
Cash received from options exercised		142		483
Tax benefit realized from options exercised		135		438

Stock-based employee compensation expense

The following table is a summary of the Company’s recorded stock-based compensation expense:

	Three Months Ended March 31,
	2013		2012
	(Dollars in thousands)
Stock-based compensation expense	$	374	$	441
Tax		145		171
Stock-based compensation expense, net of tax	$	229	$	270

Remaining fair value of stock options

The following table shows the remaining fair value of stock options:

	March 31, 2013
	(Dollars in thousands)
Fair value of stock options	$	5,103

Assumptions used for computing stock-based employee compensation expense

The following table shows the assumptions used for computing stock-based compensation expense under the fair value method:

	Three Months Ended March  31,
	2013			2012
Risk-free interest rate		1.95	%		1.95	%
Dividend yield		2.00	%		2.00	%
Stock price volatility		20.21	%		38.75	%
Expected term		10	Yrs		10	Yrs