Other Borrowed Funds Other Borrowed Funds (Tables)

12 Months Ended

Dec. 31, 2020

Schedule of Other Borrowed Funds [Table Text Block]

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


	As of				Year Ended
	December 31, 2020				December 31, 2020
	Balance		Rate		Average Balance		Rate		Maximum Outstanding At Any Month End
Funds purchased	769,365		0.05	%	2,045,795		0.58	%	3,311,938
Repurchase agreements	893,021		0.09	%	1,589,746		0.24	%	3,230,097
Other borrowings:
Federal Home Loan Bank advances	200,000		0.29	%	3,393,989		1.00	%	7,500,000
GNMA repurchase liability	19,500		4.35	%	42,771		4.18	%	126,569
Federal Reserve Bank advances	—		—	%	42,464		0.26	%	—
Paycheck protection program liquidity facility	1,635,963		0.35	%	1,152,073		0.35	%	2,013,414
Other	27,507		5.24	%	28,156		5.12	%	49,376
Total other borrowings	1,882,970				4,659,453		0.88	%
Subordinated debentures1	276,005		4.72	%	275,965		5.05	%	276,005
Total other borrowed funds	$	3,821,361			$	8,570,959	0.82	%


	As of				Year Ended
	December 31, 2019				December 31, 2019
	Balance		Rate		Average Balance		Rate		Maximum Outstanding At Any Month End
Funds purchased	3,390,528		1.53	%	2,438,376		2.08	%	3,390,528
Repurchase agreements	427,822		0.50	%	399,785		0.57	%	427,822
Other borrowings:
Federal Home Loan Bank advances	4,500,000		1.79	%	7,122,466		2.44	%	8,000,000
GNMA repurchase liability	15,417		4.32	%	13,746		4.47	%	19,581
Other	11,638		5.09	%	11,144		5.30	%	34,676
Total other borrowings	4,527,055				7,147,356		2.45	%
Subordinated debentures1	275,923		5.15	%	276,075		5.47	%	275,923
Total other borrowed funds	$	8,621,328			$	10,261,592	2.37	%


	As of				Year Ended
	December 31, 2018				December 31, 2018
	Balance		Rate		Average Balance		Rate		Maximum Outstanding At Any Month End
Funds purchased	402,450		2.34	%	419,322		1.89	%	949,531
Repurchase agreements	615,961		0.36	%	464,582		0.28	%	615,961
Other borrowings:
Federal Home Loan Bank advances	6,100,000		2.65	%	6,207,142		2.06	%	6,500,000
GNMA repurchase liability	15,552		4.43	%	14,783		4.47	%	16,529
Other	8,838		2.90	%	14,516		2.67	%	20,422
Total other borrowings	6,124,390				6,236,441		2.07	%
Subordinated debentures1	275,913		5.34	%	177,884		5.52	%	275,913
Total other borrowed funds	$	7,418,714			$	7,298,229	2.03	%

Schedule of Maturities of Other Borrowed Funds [Table Text Block]

Aggregate annual principal repayments at December 31, 2020 are as follows (in thousands):



2021	$	1,884,974
2022	1,639,735
2023	9,625
2024	625
2025	10,555
Thereafter	275,847
Total	$	3,821,361

Schedule of Repurchase Agreements [Table Text Block]

Additional information relating to securities sold under agreements to repurchase and related liabilities at December 31, 2020 and 2019 is as follows (dollars in thousands):


	December 31, 2020
	Amortized		Fair		Repurchase
Security Sold/Maturity	Cost		Value		Liability1		Rate

U.S. government agency mortgage-backed securities:
Overnight1	$	893,069	$	910,885	$	893,021	0.09	%
Long-term	—		—		—		—	%
Total Agency Securities	$	893,069	$	910,885	$	893,021	0.09	%

	December 31, 2019
	Amortized		Fair		Repurchase
Security Sold/Maturity	Cost		Value		Liability1		Rate

U.S. government agency mortgage-backed securities:
Overnight1	$	431,939	$	435,898	$	427,822	0.50	%
Long-term	—		—		—		—	%
Total Agency Securities	$	431,939	$	435,898	$	427,822	0.50	%

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.