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Subsequent Event	6 Months Ended
	Jun. 30, 2015
Subsequent Events [Abstract]
Subsequent Event	(12) SUBSEQUENT EVENT On July 14, 2015, the Company announced it had entered into an agreement to acquire CSB Bancshares Inc. and its subsidiary bank, Bank of Commerce, with locations in Yukon, Mustang, and El Reno, Oklahoma.  Bank of Commerce has approximately $202 million in total assets, $139 million in loans, $180 million in deposits, and $21 million in equity capital. The transaction is scheduled to be completed during October 2015, and is subject to regulatory approval. The bank will operate under its present name until it is merged into BancFirst, which is expected to be during the fourth quarter of 2015. The acquisition will not have a material effect on the Company’s consolidated financial statements.

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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.

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