Borrowings and Subordinated Debentures (Tables)

The following table summarizes our borrowings as of the dates indicated:


	March 31, 2023				December 31, 2022
			Weighted				Weighted
			Average				Average
	Balance		Rate		Balance		Rate
	(Dollars in thousands)
FHLB secured advances	$	5,450,000	5.07	%	$	1,270,000	4.62	%
Bank Term Funding Program	4,910,000		4.38	%	—		—	%
Repurchase agreement (1)	1,393,337		8.50	%	—		—	%
Credit-linked notes	128,375		15.24	%	132,030		14.56	%
AFX short-term borrowings	—		—	%	250,000		4.68	%
FHLB unsecured overnight advance	—		—	%	112,000		4.37	%

Total borrowings	$	11,881,712	5.30	%	$	1,764,030	5.36	%

(1) Balance is net of unamortized issuance costs of $17.9 million and $0.4 million of accrued exit fees. Rate calculation does not include the effects of issuance costs and exit fees.

The following table summarizes the terms of each issuance of subordinated debt outstanding as of the dates indicated:


	March 31, 2023				December 31, 2022				Date	Maturity	Rate Index
Series	Balance		Rate (1)		Balance		Rate (1)		Issued	Date	(Quarterly Reset) (6)
	(Dollars in thousands)
Subordinated notes, net (2)	$	395,262	3.25	%	$	395,134	3.25	%	4/30/2021	5/1/2031	Fixed rate (3)
Trust V	10,310		8.01	%	10,310		7.84	%	8/15/2003	9/17/2033	3-month LIBOR + 3.10
Trust VI	10,310		7.92	%	10,310		7.82	%	9/3/2003	9/15/2033	3-month LIBOR + 3.05
Trust CII	5,155		7.86	%	5,155		7.69	%	9/17/2003	9/17/2033	3-month LIBOR + 2.95
Trust VII	61,856		7.55	%	61,856		7.16	%	2/5/2004	4/23/2034	3-month LIBOR + 2.75
Trust CIII	20,619		6.56	%	20,619		6.46	%	8/15/2005	9/15/2035	3-month LIBOR + 1.69
Trust FCCI	16,495		6.47	%	16,495		6.37	%	1/25/2007	3/15/2037	3-month LIBOR + 1.60
Trust FCBI	10,310		6.42	%	10,310		6.32	%	9/30/2005	12/15/2035	3-month LIBOR + 1.55
Trust CS 2005-1	82,475		6.82	%	82,475		6.72	%	11/21/2005	12/15/2035	3-month LIBOR + 1.95
Trust CS 2005-2	128,866		6.75	%	128,866		6.36	%	12/14/2005	1/30/2036	3-month LIBOR + 1.95
Trust CS 2006-1	51,545		6.75	%	51,545		6.36	%	2/22/2006	4/30/2036	3-month LIBOR + 1.95
Trust CS 2006-2	51,550		6.75	%	51,550		6.36	%	9/27/2006	10/30/2036	3-month LIBOR + 1.95
Trust CS 2006-3 (4)	27,938		4.52	%	27,592		3.66	%	9/29/2006	10/30/2036	3-month EURIBOR + 2.05
Trust CS 2006-4	16,470		6.75	%	16,470		6.36	%	12/5/2006	1/30/2037	3-month LIBOR + 1.95
Trust CS 2006-5	6,650		6.75	%	6,650		6.36	%	12/19/2006	1/30/2037	3-month LIBOR + 1.95
Trust CS 2007-2	39,177		6.75	%	39,177		6.36	%	6/13/2007	7/30/2037	3-month LIBOR + 1.95
Total subordinated debt	934,988		5.27	%	934,514		5.08	%
Acquisition discount (5)	(66,173)				(67,427)
Net subordinated debt	$	868,815			$	867,087

(1) Rates do not include the effects of discounts and issuance costs.

(2) Net of unamortized issuance costs of $4.7 million.

(3) Interest rate is fixed until May 1, 2026, when it changes to a floating rate and resets quarterly at a benchmark rate plus 252 basis points.

(4) Denomination is in Euros with a value of €25.8 million.

(5) Amount represents the fair value adjustment on trust preferred securities assumed in acquisitions.

(6) Interest rate will transition to term SOFR plus the relevant spread adjustment as the applicable benchmark upon the cessation of LIBOR on June 30, 2023.