Other Borrowings Other Borrowings (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Other Borrowings [Table Text Block]

Information relating to other borrowings is summarized as follows (dollars in thousands):



	As of				Year Ended
	December 31, 2016				December 31, 2016
	Balance		Rate		Average Balance		Rate		Maximum Outstanding At Any Month End
Parent company and other non-bank subsidiaries:
Trust preferred debt	$	7,217	3.28	%	$	611	3.27	%	$	7,217
Other	1,092		8.27	%	2,073		16.11	%	3,157
Total other borrowings	8,309				2,684		13.19	%
Subordinated debentures	144,640		5.60	%	74,428		5.59	%	$	145,393
Total parent company and other non-bank subsidiaries	152,949				77,112		5.86	%

BOKF, NA:
Funds purchased	57,929		0.38	%	78,222		0.24	%	567,103
Repurchase agreements	668,661		0.02	%	589,145		0.04	%	668,661
Other borrowings:
Federal Home Loan Bank advances	4,800,000		0.72	%	5,985,656		0.55	%	6,500,000
GNMA repurchase liability	22,471		4.26	%	15,637		4.74	%	22,471
Other	15,292		2.66	%	15,670		2.41	%	15,797
Total other borrowings	4,837,763				6,016,963		0.57	%
Subordinated debentures	—		—	%	140,414		1.35	%	226,434
Total BOKF, NA	5,564,353				6,824,744		0.54	%

Total other borrowed funds	$	5,717,302			$	6,901,856	0.60	%



	As of				Year Ended
	December 31, 2015				December 31, 2015
	Balance		Rate		Average Balance		Rate		Maximum Outstanding At Any Month End
Parent company and other non-bank subsidiaries:
Trust preferred debt	$	—	—	%	$	—	—	%	$	—
Other	—		—	%	—		—	%	—
Total other borrowings	—				—		—	%
Subordinated debentures	—		—	%	—		—	%	—
Total parent company and other non-bank subsidiaries	—				—		—	%

BOKF, NA:
Funds purchased	491,192		0.15	%	73,219		0.09	%	491,192
Repurchase agreements	722,444		0.02	%	623,921		0.04	%	1,008,144
Other borrowings:
Federal Home Loan Bank advances	4,800,000		0.48	%	4,921,739		0.28	%	5,000,000
GNMA repurchase liability	19,478		4.75	%	16,668		4.95	%	19,478
Other	18,402		2.70	%	18,768		2.35	%	26,058
Total other borrowings	4,837,880				4,957,175		0.33	%
Subordinated debentures	226,350		1.05	%	226,332		1.84	%	348,076
Total BOKF, NA	6,277,866				5,880,647		0.36	%

Total other borrowed funds	$	6,277,866			$	5,880,647	0.36	%



	As of				Year Ended
	December 31, 2014				December 31, 2014
	Balance		Rate		Average Balance		Rate		Maximum Outstanding At Any Month End
Parent company and other non-bank subsidiaries:
Trust preferred debt	$	—	—	%	$	—	—	%	$	—
Other	—		—	%	—		—	%	—
Total other borrowings	—				—		—	%
Subordinated debentures	—		—	%	—		—	%	—
Total parent company and other non-bank subsidiaries	—				—		—	%

BOKF, NA:
Funds purchased	57,031		0.05	%	494,220		0.07	%	1,548,676
Repurchase agreements	1,187,489		0.04	%	928,767		0.06	%	1,187,489
Other borrowings:
Federal Home Loan Bank advances	2,103,400		0.25	%	1,894,966		0.24	%	3,453,400
GNMA repurchase liability	14,298		5.05	%	17,343		5.20	%	24,980
Other	16,076		2.73	%	16,433		2.32	%	16,582
Total other borrowings	2,133,774				1,928,742		0.35	%
Subordinated debentures	347,983		2.35	%	347,892		2.50	%	347,983
Total BOKF, NA	3,726,277				3,699,621		0.43	%

Total other borrowed funds	$	3,726,277			$	3,699,621	0.43	%

Schedule of Maturities of Other Borrowings [Table Text Block]

Aggregate annual principal repayments at December 31, 2016 are as follows (in thousands):



	Parent Company and Other Non-bank Subsidiaries		BOKF, NA
2017	$	—	$	5,549,587
2018	—		711
2019	—		956
2020	—		961
2021	—		965
Thereafter	152,949		11,173
Total	$	152,949	$	5,564,353

Schedule of Repurchase Agreements [Table Text Block]

Additional information relating to securities sold under agreements to repurchase and related liabilities at December 31, 2016 and 2015 is as follows (dollars in thousands):



	December 31, 2016
	Amortized		Fair		Repurchase		Average
Security Sold/Maturity	Cost		Value		Liability¹		Rate

U.S. government agency mortgage-backed securities:
Overnight¹	$	655,529	$	655,851	$	668,661	0.02	%
Long-term	—		—		—		—	%
Total Agency Securities	$	655,529	$	655,851	$	668,661	0.02	%

	December 31, 2015
	Amortized		Fair		Repurchase		Average
Security Sold/Maturity	Cost		Value		Liability¹		Rate

U.S. government agency mortgage-backed securities:
Overnight¹	$	685,458	$	688,485	$	722,444	0.02	%
Long-term	—		—		—		—	%
Total Agency Securities	$	685,458	$	688,485	$	722,444	0.02	%


¹	BOK Financial maintains control over the securities underlying overnight repurchase agreements and generally transfers control over securities underlying longer-term dealer repurchase agreements to the respective counterparty.