Line of Credit	12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]
Line of Credit	(10) LINES OF CREDIT BancFirst has a line of credit from the FHLB of Topeka, Kansas to use for liquidity or to match-fund certain long-term fixed rate loans. BancFirst's assets, including residential first mortgages of $860.8 million, are pledged as collateral for the borrowings under the line of credit. As of December 31, 2021, BancFirst had the ability to draw up to $672.2 million on the FHLB line of credit based on FHLB stock holdings of $651,100 with no advances outstanding. In addition, BancFirst has a $25.0 million line of credit with another financial institution that is an overnight federal funds facility. Pegasus Bank also has a $20.0 million line of credit with another financial institution that is an overnight federal funds facility.

Line of Credit

12 Months Ended

Dec. 31, 2021

(10) LINES OF CREDIT

BancFirst has a line of credit from the FHLB of Topeka, Kansas to use for liquidity or to match-fund certain long-term fixed rate loans. BancFirst's assets, including residential first mortgages of $860.8 million, are pledged as collateral for the borrowings under the line of credit. As of December 31, 2021, BancFirst had the ability to draw up to $672.2 million on the FHLB line of credit based on FHLB stock holdings of $651,100 with no advances outstanding. In addition, BancFirst has a $25.0 million line of credit with another financial institution that is an overnight federal funds facility. Pegasus Bank also has a $20.0 million line of credit with another financial institution that is an overnight federal funds facility.