Short and Long-term Funding (Tables)

12 Months Ended

Dec. 31, 2020

Short-term Debt [Abstract]

Short and Long-Term Funding Composition

The following table presents the components of short-term funding (funding with original contractual maturities of one year or less), long-term funding (funding with original contractual maturities greater than one year), and FHLB advances (funding based on original contractual maturities):

($ in Thousands)	December 31, 2020		December 31, 2019
Short-Term Funding
Federal funds purchased	$	7,070	$	362,000
Securities sold under agreements to repurchase	185,901		71,097
Federal funds purchased and securities sold under agreements to repurchase	192,971		433,097
Commercial paper	59,346		32,016
Total short-term funding	$	252,317	$	465,113
Long-Term Funding
Bank senior notes, at par, due 2021	$	300,000	$	300,000
Corporation subordinated notes, at par, due 2025	250,000		250,000
Finance leases	1,128		2,209
Capitalized costs	(1,663)		(2,866)
Total long-term funding	549,465		549,343
Total short and long-term funding, excluding FHLB advances	$	801,782	$	1,014,456
FHLB Advances
Short-term FHLB advances	$	—	$	520,000
Long-term FHLB advances	1,632,723		2,660,967
Total FHLB advances	$	1,632,723	$	3,180,967
Total short and long-term funding	$	2,434,505	$	4,195,422

Schedule of Repurchase Agreements

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of December 31, 2020 and December 31, 2019 are presented in the following table:

	Remaining Contractual Maturity of the Agreements
($ in Thousands)	Overnight and Continuous		Up to 30 days		30-90 days		Greater than 90 days		Total
December 31, 2020
Repurchase agreements
Agency mortgage-related securities	$	185,901	$	—	$	—	$	—	$	185,901
Total	$	185,901	$	—	$	—	$	—	$	185,901
December 31, 2019
Repurchase agreements
Agency mortgage-related securities	$	71,097	$	—	$	—	$	—	$	71,097
Total	$	71,097	$	—	$	—	$	—	$	71,097

Schedule of Maturities of Long-term Debt [Table Text Block]

The table below summarizes the maturities of the Corporation’s long-term funding, including long-term FHLB advances, at December 31, 2020:

($ in Thousands)	Long Term Funding		Weighted Average Contractual Long Term Funding Coupon Rate		FHLB advances		Weighted Average Contractual FHLB advance Coupon Rate
Year
2021	$	299,631	3.50	%	$	17,723	2.25	%
2022	967		1.07	%	7,383		3.70	%
2023	—		—	%	2,398		5.09	%
2024	—		—	%	633		—	%
2025	248,867		4.25	%	1,000,215		2.34	%
Thereafter	—		—	%	604,371		2.32	%
Total long-term funding	$	549,465	3.83	%	$	1,632,723	2.34	%