Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 523,553	$ 531,133	$ 520,293
Other comprehensive income (loss), before income taxes: [Abstract]
Net change in unrealized gain (loss)	33,461	218,293	(1,227,414)
Reclassification adjustments included in earnings: [Abstract]
Interest revenue, Investment securities	46,020	60,394	42,514
Operating expense, Personnel	0	0	(3,483)
Loss on available for sale securities, net	45,828	30,636	971
Other comprehensive income (loss), before income taxes	125,309	309,323	(1,187,412)
Federal and state income taxes	29,249	71,468	(278,086)
Other comprehensive income (loss), net of income taxes	96,060	237,855	(909,326)
Comprehensive income (loss)	619,613	768,988	(389,033)
Comprehensive income (loss) attributable to non-controlling interests	(16)	387	20
Comprehensive income (loss) attributable to BOK Financial Corp. shareholders	$ 619,629	$ 768,601	$ (389,053)