LONG-TERM DEBT

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

LONG-TERM DEBT

LONG-TERM DEBT

Information related to our long-term debt is summarized as follows for the periods presented (in thousands):

	December 31, 2020		December 31, 2019
Subordinated notes: (1)
3.875% Subordinated notes, net of unamortized debt issuance costs (2)	$	98,497	$	—
5.50% Subordinated notes, net of unamortized debt issuance costs (3)	98,754		98,576
Total Subordinated notes	197,251		98,576
Trust preferred subordinated debentures: (4)
Southside Statutory Trust III, net of unamortized debt issuance costs (5)	20,563		20,558
Southside Statutory Trust IV	23,196		23,196
Southside Statutory Trust V	12,887		12,887
Magnolia Trust Company I	3,609		3,609
Total Trust preferred subordinated debentures	60,255		60,250
Total Long-term debt	$	257,506	$	158,826

(1)This debt consists of subordinated notes with a remaining maturity greater than one year that qualify under the risk-based capital guidelines as Tier 2 capital, subject to certain limitations.

(2)The unamortized discount and debt issuance costs reflected in the carrying amount of the subordinated notes totaled approximately $1.5 million at December 31, 2020.

(3)The unamortized discount and debt issuance costs reflected in the carrying amount of the subordinated notes totaled approximately $1.2 million at December 31, 2020 and $1.4 million at December 31, 2019.

(4)This debt consists of trust preferred securities that qualify under the risk-based capital guidelines as Tier 1 capital, subject to certain limitations.

(5)The unamortized debt issuance costs reflected in the carrying amount of the Southside Statutory Trust III junior subordinated debentures totaled $56,000 at December 31, 2020 and $61,000 at December 31, 2019.

As of December 31, 2020, the details of the subordinated notes and the trust preferred subordinated debentures are summarized below (dollars in thousands):

	Date Issued	Amount Issued		Fixed or Floating Rate	Interest Rate	Maturity Date
3.875% Subordinated Notes	November 6, 2020	$	100,000	Fixed-to-Floating	3.875%	November 15, 2030
5.50% Subordinated Notes	September 19, 2016	$	100,000	Fixed-to-Floating	5.50%	September 30, 2026
Southside Statutory Trust III	September 4, 2003	$	20,619	Floating	3 month LIBOR + 2.94%	September 4, 2033
Southside Statutory Trust IV	August 8, 2007	$	23,196	Floating	3 month LIBOR + 1.30%	October 30, 2037
Southside Statutory Trust V	August 10, 2007	$	12,887	Floating	3 month LIBOR + 2.25%	September 15, 2037
Magnolia Trust Company I (1)	October 10, 2007	$	3,609	Floating	3 month LIBOR + 1.80%	November 23, 2035

(1)On October 10, 2007, as part of an acquisition we assumed $3.6 million of floating rate junior subordinated debentures issued in 2005 to Magnolia Trust Company I.

On September 19, 2016, the Company issued $100.0 million in aggregate principal amount of fixed-to-floating rate subordinated notes that mature on September 30, 2026. This debt initially bears interest at a fixed rate of 5.50% through September 29, 2021 and thereafter, adjusts quarterly at a floating rate equal to three-month LIBOR plus 429.7 basis points. The

proceeds from the sale of the subordinated notes were used for general corporate purposes, which included advances to the Bank to finance its activities.On November 6, 2020, the Company issued $100.0 million in aggregate principal amount of fixed-to-floating rate subordinated notes that mature on November 15, 2030. This debt initially bears interest at a fixed rate of 3.875% per year through November 14, 2025 and thereafter, adjusts quarterly at a floating rate equal to the then current three-month term SOFR, as published by the FRBNY, plus 366 basis points. The proceeds from the sale of the subordinated notes were used for general corporate purposes.