Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 83,694	$ 162,496
Other Comprehensive Income (Loss), before Tax [Abstract]
Net change in unrealized gain (loss)	(71,806)	124,045
Reclassification Adjustments Included in Earnings [Abstract]
Interest revenue, Investment securities	12,183	16,051
Loss on available for sale securities, net	45,171	0
Other comprehensive income (loss) before income taxes	(14,452)	140,096
Federal and state income taxes	(3,424)	31,695
Other comprehensive income (loss), net of income taxes	(11,028)	108,401
Comprehensive income	72,666	270,897
Comprehensive income (loss) attributable to non-controlling interests	(9)	128
Comprehensive income attributable to BOK Financial Corporation shareholders	$ 72,675	$ 270,769