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REGULATORY CAPITAL (Tables)

12 Months Ended

Dec. 31, 2024

Banking and Thrift, Other Disclosure [Abstract]

Schedule of Regulatory Capital Requirements Applicable to Busey and Busey Bank

The following tables summarize regulatory capital requirements applicable to Busey and its subsidiary bank (dollars in thousands):

			As of December 31, 2024
			Actual												Minimum Capital Requirement												Minimum To Be Well Capitalized
			Amount						Ratio						Amount						Ratio						Amount						Ratio
Common equity Tier 1 capital to risk weighted assets
First Busey			$	1,237,301					14.10		%				$	394,840					4.50		%				$	570,325					6.50		%
Busey Bank			$	1,438,296					16.46		%				$	393,277					4.50		%				$	568,067					6.50		%
Tier 1 capital to risk weighted assets
First Busey			$	1,314,301					14.98		%				$	526,453					6.00		%				$	701,938					8.00		%
Busey Bank			$	1,438,296					16.46		%				$	524,369					6.00		%				$	699,159					8.00		%
Total capital to risk weighted assets
First Busey			$	1,625,943					18.53		%				$	701,938					8.00		%				$	877,422					10.00		%
Busey Bank			$	1,520,938					17.40		%				$	699,159					8.00		%				$	873,949					10.00		%
Leverage ratio of Tier 1 capital to average assets
First Busey			$	1,314,301					11.06		%				$	475,348					4.00		%				N/A						N/A
Busey Bank			$	1,438,296					12.14		%				$	473,878					4.00		%				$	592,347					5.00		%

			As of December 31, 2023
			Actual												Minimum Capital Requirement												Minimum To Be Well Capitalized
			Amount						Ratio						Amount						Ratio						Amount						Ratio
Common equity Tier 1 capital to risk weighted assets
First Busey			$	1,155,973					13.09		%				$	397,331					4.50		%				$	573,923					6.50		%
Busey Bank			$	1,362,962					15.48		%				$	396,128					4.50		%				$	572,185					6.50		%
Tier 1 capital to risk weighted assets
First Busey			$	1,229,973					13.93		%				$	529,775					6.00		%				$	706,367					8.00		%
Busey Bank			$	1,362,962					15.48		%				$	528,171					6.00		%				$	704,228					8.00		%
Total capital to risk weighted assets
First Busey			$	1,540,318					17.44		%				$	706,367					8.00		%				$	882,958					10.00		%
Busey Bank			$	1,448,307					16.45		%				$	704,228					8.00		%				$	880,285					10.00		%
Leverage ratio of Tier 1 capital to average assets
First Busey			$	1,229,973					10.08		%				$	488,315					4.00		%				N/A						N/A
Busey Bank			$	1,362,962					11.19		%				$	487,103					4.00		%				$	608,879					5.00		%

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- References

No definition available.

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- Definition

Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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