Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Summary of Shares Repurchased Under Stock Purchase Program

The following table is a summary of the shares under the program, all share repurchased in 2016 where purchased in the first three months of the year:

	Six Months Ended June 30,
	2016		2015
Number of shares repurchased		100,000		—
Average price of shares repurchased	$	55.23		—
Shares remaining to be repurchased		66,276		194,723

Required Capital Amounts and Company's Respective Ratios

The actual and required capital amounts and ratios are shown in the following table:

					Required								To Be Well
					For Capital				With				Capitalized Under
					Adequacy				Capital Conservation				Prompt Corrective
	Actual				Purposes				Buffer				Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
As of June 30, 2016:
Total Capital
(to Risk Weighted Assets)-
BancFirst Corporation	$	689,071		14.46%	$	381,153		8.00%	$	410,931		8.625%	N/A		N/A
BancFirst		629,830		13.23%		380,759		8.00%		410,505		8.625%	$	475,948		10.00%
Common Equity Tier 1 Capital
(to Risk Weighted Assets)-
BancFirst Corporation	$	611,505		12.83%	$	214,399		4.50%	$	244,176		5.125%	N/A		N/A
BancFirst		563,264		11.83%		214,177		4.50%		243,924		5.125%	$	309,366		6.50%
Tier 1 Capital
(to Risk Weighted Assets)-
BancFirst Corporation	$	642,505		13.49%	$	285,865		6.00%	$	315,642		6.625%	N/A		N/A
BancFirst		583,264		12.25%		285,569		6.00%		315,316		6.625%	$	380,759		8.00%
Tier 1 Capital
(to Total Assets)-
BancFirst Corporation	$	642,505		9.65%	$	266,346		4.00%	N/A		N/A		N/A		N/A
BancFirst		583,264		8.77%		265,942		4.00%	N/A		N/A		$	332,427		5.00%