BORROWINGS (Tables)

3 Months Ended

Mar. 31, 2026

Debt Disclosure [Abstract]

Schedule of Securities Sold Under Agreements to Repurchase

Securities sold under agreements to repurchase were as follows:

	As of
(dollars in thousands)	March 31, 2026			December 31, 2025
Securities sold under agreements to repurchase	$	156,364		$	166,929
Weighted average rate for securities sold under agreements to repurchase	2.40		%	2.22		%

Schedule of Short-term Borrowings

Short-term borrowings are presented in the table below:

	As of
(dollars in thousands)	March 31, 2026		December 31, 2025
Short-term borrowings
FHLB advances maturing in less than one year from date of origination, and the current portion of long-term FHLB advances due within 12 months	$	170,000	$	—
Total short-term borrowings	$	170,000	$	—

Schedule of Long-term Borrowings

Long-term borrowings are presented in the table below:

	As of
(dollars in thousands)	March 31, 2026		December 31, 2025
Long-term borrowings
FHLB borrowings	$	114,078	$	102,792
Secured borrowings	3,211		4,791
Finance lease liabilities	6,178		6,223
Total long-term borrowings	$	123,467	$	113,806

Schedule of Unamortized Debt Issuance Cost

Unamortized debt issuance costs related to Busey’s subordinated notes are presented in the following table:

	As of
(dollars in thousands)	March 31, 2026		December 31, 2025
Unamortized debt issuance costs	$	501	$	605