Other Borrowings and Subordinated Debentures (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Debt

Debt at December 31, 2021 and 2020 consisted of the following components: 

(In thousands)	2021		2020
Other Borrowings
FHLB advances, net of discount, due 2022 to 2035, 0.23% to 7.37%, secured by real estate loans	$	1,306,143	$	1,308,674
Other long-term debt	31,830		33,393
Total other borrowings	1,337,973		1,342,067
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	25,329		25,172
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	3,041		3,023
Unamortized debt issuance costs	(1,561)		(2,643)
Total subordinated notes and debentures	384,131		382,874
Total other borrowings and subordinated debt	$	1,722,104	$	1,724,941

Schedule of Aggregate Annual Maturities of Long-term Debt

Aggregate annual maturities of long-term debt at December 31, 2021, are as follows:

Year	(In thousands)
2022	$	1,833
2023	1,789
2024	2,425
2025	4,956
2026	1,881
Thereafter	1,709,220
Total	$	1,722,104