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Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2023

Regulatory Matters

Summary of bank's actual capital amounts and ratios

​

​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	Minimum				​	​				​
​	​	​	​	​	​	​	Amount to be Well				​	Minimum Amount				​
​	​	​	​	​	​	​	Capitalized with				​	To Be Well				​
​	​	Actual				​	Basel III Buffer(1)				​	Capitalized(1)				​
​		Amount			Ratio		Amount			Ratio	​	Amount			Ratio
​	​	(Dollars in thousands)														​
December 31, 2023	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total capital(1) (to risk-weighted assets)		​					​	​	​	​	​	​
Company	​	$	1,772,195		11.6	%	$	1,598,260		10.5	%	$	—		N/A	%
Merchants Bank	​	​	1,724,505		11.5	%		1,577,434		10.5	%		1,502,318		10.0	%
FMBI	​		40,613		21.1	%		20,209		10.5	%		19,247		10.0	%
Tier I capital(1) (to risk-weighted assets)	​					​					​					​
Company	​		1,686,202		11.1	%		1,293,830		8.5	%		—		N/A	%
Merchants Bank	​	​	1,639,171		10.9	%		1,276,970		8.5	%		1,201,854		8.0	%
FMBI	​		39,953		20.8	%		16,360		8.5	%		15,398		8.0	%
Common Equity Tier I capital(1) (to risk-weighted assets)	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Company	​		1,186,594		7.8	%		1,065,507		7.0	%		—		N/A	%
Merchants Bank	​	​	1,639,171		10.9	%		1,051,623		7.0	%		976,507		6.5	%
FMBI	​		39,953		20.8	%		13,473		7.0	%		12,511		6.5	%
Tier I capital(1) (to average assets)	​		​			​				​	​					​
Company	​		1,686,202		10.1	%		832,706		5.0	%		—		N/A	%
Merchants Bank	​	​	1,639,171		10.1	%		815,191		5.0	%		815,191		5.0	%
FMBI	​		39,953		11.5	%		17,391		5.0	%		17,391		5.0	%

(1) As defined by regulatory agencies.

​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	Minimum				​	​				​
​	​	​	​	​	​	​	Amount to be Well				​	Minimum Amount				​
​	​	​	​	​	​	​	Capitalized with				​	To Be Well				​
​	​	Actual				​	Basel III Buffer(1)				​	Capitalized(1)				​
​		Amount			Ratio		Amount			Ratio	​	Amount			Ratio
​	​	(Dollars in thousands)														​
December 31, 2022	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total capital(1) (to risk-weighted assets)		​					​	​	​	​	​	​
Company	​	$	1,507,968		12.2	%	$	992,883		10.5	%	$	—		N/A	%
Merchants Bank	​	​	1,427,738		11.7	%		975,853		10.5	%		1,219,817		10.0	%
FMBI	​		34,769		11.3	%		24,703		10.5	%		30,878		10.0	%
Tier I capital(1) (to risk-weighted assets)	​					​					​					​
Company	​		1,452,456		11.7	%		744,662		8.5	%		—		N/A	%
Merchants Bank	​	​	1,372,941		11.3	%		731,890		8.5	%		975,853		8.0	%
FMBI	​		34,054		11.0	%		18,527		8.5	%		24,703		8.0	%
Common Equity Tier I capital(1) (to risk-weighted assets)	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Company	​		952,848		7.7	%		558,497		7.0	%		—		N/A	%
Merchants Bank	​	​	1,372,941		11.3	%		548,917		7.0	%		792,881		6.5	%
FMBI	​		34,054		11.0	%		13,895		7.0	%		20,071		6.5	%
Tier I capital(1) (to average assets)	​		​			​				​	​					​
Company	​		1,452,456		11.7	%		497,604		5.0	%		—		N/A	%
Merchants Bank	​	​	1,372,941		11.3	%		487,511		5.0	%		609,389		5.0	%
FMBI	​		34,054		10.7	%		12,702		5.0	%		15,878		5.0	%

(1) As defined by regulatory agencies.

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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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