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Regulatory Capital (Tables)

6 Months Ended

Jun. 30, 2023

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 First Busey Corporation and Busey Bank (dollars in thousands):

			As of June 30, 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			$	1,124,480					12.35		%				$	409,646					4.50		%				$	591,712					6.50		%
Busey Bank			$	1,338,375					14.76		%				$	408,157					4.50		%				$	589,560					6.50		%
Tier 1 capital to risk weighted assets
First Busey			$	1,198,480					13.17		%				$	546,195					6.00		%				$	728,260					8.00		%
Busey Bank			$	1,338,375					14.76		%				$	544,209					6.00		%				$	725,612					8.00		%
Total capital to risk weighted assets
First Busey			$	1,507,454					16.56		%				$	728,260					8.00		%				$	910,325					10.00		%
Busey Bank			$	1,422,349					15.68		%				$	725,612					8.00		%				$	907,015					10.00		%
Leverage ratio of Tier 1 capital to average assets
First Busey			$	1,198,480					9.93		%				$	482,935					4.00		%				N/A						N/A
Busey Bank			$	1,338,375					11.12		%				$	481,612					4.00		%				$	602,015					5.00		%

			As of December 31, 2022
			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			$	1,081,686					11.96		%				$	406,980					4.50		%				$	587,861					6.50		%
Busey Bank			$	1,306,716					14.49		%				$	405,736					4.50		%				$	586,063					6.50		%
Tier 1 capital to risk weighted assets
First Busey			$	1,155,686					12.78		%				$	542,640					6.00		%				$	723,521					8.00		%
Busey Bank			$	1,306,716					14.49		%				$	540,981					6.00		%				$	721,308					8.00		%
Total capital to risk weighted assets
First Busey			$	1,457,994					16.12		%				$	723,521					8.00		%				$	904,401					10.00		%
Busey Bank			$	1,384,024					15.35		%				$	721,308					8.00		%				$	901,635					10.00		%
Leverage ratio of Tier 1 capital to average assets
First Busey			$	1,155,686					9.45		%				$	489,124					4.00		%				N/A						N/A
Busey Bank			$	1,306,716					10.72		%				$	487,541					4.00		%				$	609,426					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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