Borrowings and Subordinated Debentures (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Debt

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

	December 31,
	2020				2019
			Weighted				Weighted
			Average				Average
Borrowing Type	Balance		Rate		Balance		Rate
	(Dollars in thousands)
FHLB secured advances	$	5,000	—	%	$	1,318,000	1.66	%
FHLB unsecured overnight advance	—		—	%	141,000		1.56	%
AFX borrowings	—		—	%	300,000		1.61	%
Non‑recourse debt	—		—	%	8		7.50	%
Total borrowings	$	5,000	—	%	$	1,759,008	1.64	%

Schedule of Line of Credit Facilities

The following table presents the interest rates and maturity dates of FHLB secured advances as of the dates indicated:

	December 31,
	2020					2019
					Maturity					Maturity
	Balance		Rate		Date	Balance		Rate		Date
	(Dollars in thousands)
Overnight advance	$	—	—	%	—	$	1,318,000	1.66	%	1/2/2020
Term advance	5,000		—	%	5/6/2021	—		—	%	—
Total FHLB secured advances	$	5,000	—	%		$	1,318,000	1.66	%

Borrowings Subordinated Debentures And Brokered Deposits Disclosure

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

	December 31,
	2020				2019				Issue	Maturity	Rate Index
Series	Balance		Rate		Balance		Rate		Date	Date	(Quarterly Reset)
	(Dollars in thousands)
Trust V	$	10,310	3.33	%	$	10,310	5.00	%	8/15/2003	9/17/2033	3-month LIBOR +	3.10%
Trust VI	10,310		3.27	%	10,310		4.94	%	9/3/2003	9/15/2033	3-month LIBOR +	3.05%
Trust CII	5,155		3.18	%	5,155		4.85	%	9/17/2003	9/17/2033	3-month LIBOR +	2.95%
Trust VII	61,856		2.96	%	61,856		4.69	%	2/5/2004	4/23/2034	3-month LIBOR +	2.75%
Trust CIII	20,619		1.91	%	20,619		3.58	%	8/15/2005	9/15/2035	3-month LIBOR +	1.69%
Trust FCCI	16,495		1.82	%	16,495		3.49	%	1/25/2007	3/15/2037	3-month LIBOR +	1.60%
Trust FCBI	10,310		1.77	%	10,310		3.44	%	9/30/2005	12/15/2035	3-month LIBOR +	1.55%
Trust CS 2005-1	82,475		2.17	%	82,475		3.85	%	11/21/2005	12/15/2035	3-month LIBOR +	1.95%
Trust CS 2005-2	128,866		2.16	%	128,866		3.89	%	12/14/2005	1/30/2036	3-month LIBOR +	1.95%
Trust CS 2006-1	51,545		2.16	%	51,545		3.89	%	2/22/2006	4/30/2036	3-month LIBOR +	1.95%
Trust CS 2006-2	51,550		2.16	%	51,550		3.89	%	9/27/2006	10/30/2036	3-month LIBOR +	1.95%
Trust CS 2006-3 (1)	31,487		1.54	%	28,902		1.64	%	9/29/2006	10/30/2036	3-month EURIBOR +	2.05%
Trust CS 2006-4	16,470		2.16	%	16,470		3.89	%	12/5/2006	1/30/2037	3-month LIBOR +	1.95%
Trust CS 2006-5	6,650		2.16	%	6,650		3.89	%	12/19/2006	1/30/2037	3-month LIBOR +	1.95%
Trust CS 2007-2	39,177		2.16	%	39,177		3.89	%	6/13/2007	7/30/2037	3-month LIBOR +	1.95%
Gross subordinated debentures	543,275		2.24	%	540,690		3.87	%
Unamortized discount (2)	(77,463)				(82,481)
Net subordinated debentures	$	465,812			$	458,209

___________________

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

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