Other Borrowings and Subordinated Debentures (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Debt

Debt at December 31, 2020 and 2019 consisted of the following components: 

(In thousands)	2020		2019
Other Borrowings
FHLB advances, net of discount, due 2021 to 2035, 0.23% to 7.37%, secured by real estate loans	$	1,308,674	$	1,262,691
Other long-term debt	33,393		34,908
Total other borrowings	1,342,067		1,297,599
Subordinated Notes and Debentures
Subordinated notes payable, due 4/1/2028, fixed-to-floating rate (fixed rate of 5.00% through 3/31/2023, floating rate of 2.15% above the three month LIBOR rate, reset quarterly)	330,000		330,000
Trust preferred securities, net of discount, due 9/15/2037, floating rate of 1.37% above the three month LIBOR rate, reset quarterly	10,310		10,310
Trust preferred securities, net of discount, due 6/6/2037, floating rate of 1.57% above the three month LIBOR rate, reset quarterly, callable without penalty	10,310		10,310
Trust preferred securities, due 12/15/2035, floating rate of 1.45% above the three month LIBOR rate, reset quarterly, callable without penalty	6,702		6,702
Trust preferred securities, net of discount, due 6/15/2037, floating rate of 1.85% above the three month LIBOR rate, reset quarterly, callable without penalty	25,172		25,015
Trust preferred securities, net of discount, due 12/15/2036, floating rate of 1.85% above the three month LIBOR rate, reset quarterly, callable without penalty	3,023		3,004
Other subordinated debentures, due 12/31/36, floating rate of prime rate minus 1.1%, reset quarterly	—		5,927
Unamortized debt issuance costs	(2,643)		(3,008)
Total subordinated notes and debentures	382,874		388,260
Total other borrowings and subordinated debt	$	1,724,941	$	1,685,859

Schedule of Aggregate Annual Maturities of Long-term Debt

Aggregate annual maturities of long-term debt at December 31, 2020, are as follows:

Year	(In thousands)
2021	$	2,812
2022	1,921
2023	1,758
2024	2,399
2025	4,948
Thereafter	1,711,103
Total	$	1,724,941