Regulatory Capital (Tables)

6 Months Ended

Jun. 30, 2016

Banking and Thrift [Abstract]

Corporation's and Chemical Bank's actual capital amounts and ratios with the quantitative measures established by regulation to ensure capital adequacy

The summary below compares the actual capital amounts and ratios with the quantitative measures established by regulation to ensure capital adequacy:

	Actual				Minimum Required for Capital Adequacy Purposes				Required to be Well Capitalized Under Prompt Corrective Action Regulations
	Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio
	(Dollars in thousands)
June 30, 2016
Total Capital to Risk-Weighted Assets:
Corporation	$	851,114	11.4	%	$	599,743	8.0	%	N/A		N/A
Chemical Bank	854,189		11.4		598,142		8.0		$	747,677	10.0	%
Tier 1 Capital to Risk-Weighted Assets:
Corporation	779,608		10.4		449,807		6.0		N/A		N/A
Chemical Bank	782,683		10.5		448,606		6.0		598,142		8.0
Common Equity Tier 1 Capital to Risk-Weighted Assets:
Corporation	779,608		10.4		337,355		4.5		N/A		N/A
Chemical Bank	782,683		10.5		336,455		4.5		485,990		6.5
Leverage Ratio:
Corporation	779,608		8.6		361,408		4.0		N/A		N/A
Chemical Bank	782,683		8.7		360,746		4.0		450,932		5.0

	Actual				Minimum Required for Capital Adequacy Purposes				Required to be Well Capitalized Under Prompt Corrective Action Regulations
	Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio
	(Dollars in thousands)
December 31, 2015
Total Capital to Risk-Weighted Assets:
Corporation	$	841,257	11.8	%	$	571,509	8.0	%	N/A		N/A
Chemical Bank	830,294		11.7		570,073		8.0		$	712,591	10.0	%
Tier 1 Capital to Risk-Weighted Assets:
Corporation	767,929		10.7		428,631		6.0		N/A		N/A
Chemical Bank	756,966		10.6		427,555		6.0		570,073		8.0
Common Equity Tier 1 Capital to Risk-Weighted Assets:
Corporation	753,815		10.6		321,474		4.5		N/A		N/A
Chemical Bank	756,966		10.6		320,666		4.5		463,184		6.5
Leverage Ratio:
Corporation	767,929		8.6		356,396		4.0		N/A		N/A
Chemical Bank	756,966		8.5		355,911		4.0		444,888		5.0
June 30, 2015
Total Capital to Risk-Weighted Assets:
Corporation	$	816,595	11.6	%	$	559,273	8.0	%	N/A		N/A
Chemical Bank	713,999		12.0		471,422		8.0		$	589,277	10.0	%
The Bank of Holland	77,648		10.2		61,028		8.0		76,285		10.0
The Bank of Northern Michigan	32,779		10.1		25,878		8.0		32,347		10.0
Tier 1 Capital to Risk-Weighted Assets:
Corporation	741,654		10.6		419,455		6.0		N/A		N/A
Chemical Bank	640,324		10.9		353,566		6.0		471,422		8.0
The Bank of Holland	76,312		10.0		45,771		6.0		61,028		8.0
The Bank of Northern Michigan	32,779		10.1		19,408		6.0		25,878		8.0
Common Equity Tier 1 Capital to Risk-Weighted Assets:
Corporation	723,654		10.4		314,591		4.5		N/A		N/A
Chemical Bank	640,324		10.9		265,175		4.5		383,030		6.5
The Bank of Holland	76,312		10.0		34,328		4.5		49,585		6.5
The Bank of Northern Michigan	32,779		10.1		14,556		4.5		21,025		6.5
Leverage Ratio:
Corporation	741,654		9.4		314,344		4.0		N/A		N/A
Chemical Bank	640,324		8.5		300,703		4.0		375,878		5.0
The Bank of Holland	76,312		9.9		30,710		4.0		38,388		5.0
The Bank of Northern Michigan	32,779		9.1		14,421		4.0		18,026		5.0