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Subsequent Event | 12 Months Ended
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Dec. 31, 2020
Subsequent Events [Abstract] |
Subsequent Event | (23) SUBSEQUENT EVENT On January 22, 2021, the Company sold approximately $21 million in loans and approximately $38 million in deposits from its Hugo, Oklahoma branch to AmeriState Bank in Atoka, Oklahoma. A gain on the transaction of $2.5 million will be reflected in the first quarter of 2021. On February 19, 2021, the Company entered into a purchase and assumption agreement with The First National Bank and Trust Company of Vinita, Oklahoma to purchase certain assets and assume the deposits and certain other obligations of The First National Bank and Trust Company of Vinita. The First National Bank and Trust Company of Vinita is a nationally chartered bank with banking locations in Vinita and Grove, Oklahoma. These banking locations would become branches of BancFirst. As of December 2020, The First National Bank and Trust Company of Vinita had approximately $285 million in total assets, $209 million in loans, and $258 million in deposits. The purchase and assumption is expected to be completed during the second quarter of 2021 and is subject to regulatory approval.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662 + Details
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