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REGULATORY CAPITAL (Tables)

3 Months Ended

Mar. 31, 2024

Banking and Thrift, Other Disclosure [Abstract]

Schedule of applicable holding company and bank regulatory capital requirements

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

			As of March 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			$	1,166,919					13.45		%				$	390,433					4.50		%				$	563,958					6.50		%
Busey Bank			$	1,365,033					15.79		%				$	389,113					4.50		%				$	562,052					6.50		%
Tier 1 capital to risk weighted assets
First Busey			$	1,240,919					14.30		%				$	520,577					6.00		%				$	694,103					8.00		%
Busey Bank			$	1,365,033					15.79		%				$	518,817					6.00		%				$	691,756					8.00		%
Total capital to risk weighted assets
First Busey			$	1,557,137					17.95		%				$	694,103					8.00		%				$	867,628					10.00		%
Busey Bank			$	1,456,250					16.84		%				$	691,756					8.00		%				$	864,695					10.00		%
Leverage ratio of Tier 1 capital to average assets
First Busey			$	1,240,919					10.46		%				$	474,678					4.00		%				N/A						N/A
Busey Bank			$	1,365,033					11.53		%				$	473,422					4.00		%				$	591,777					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//1943274/2147480696/942-505-50-1

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//1943274/2147480696/942-505-50-1B

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