Macatawa Bank Corporation Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND OFF BALANCE-SHEET RISK (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Summary of the contractual amounts of financial instruments with off-balance-sheet risk [Abstract]
Notional amount of commitments to fund mortgage loans to be sold into the secondary market	$ 82,000	$ 0
Other Liabilities [Member]
Unfunded Loan Commitments [Abstract]
Reserve for unfunded commitments	61,000
Commitments to Extend Credit [Member]
Summary of the contractual amounts of financial instruments with off-balance-sheet risk [Abstract]
Commitments to extend credit	$ 115,100,000	77,384,000
Commitments to make loans at fixed rates	67.20%
Expiration period of commitment to make variable rate loan	30 days
Commitments to Extend Credit [Member] \| SOFR [Member]
Summary of the contractual amounts of financial instruments with off-balance-sheet risk [Abstract]
Term of variable rate	1 month
Letters of Credit [Member]
Summary of the contractual amounts of financial instruments with off-balance-sheet risk [Abstract]
Commitments to extend credit	$ 11,937,000	13,455,000
Unused Lines of Credit [Member]
Summary of the contractual amounts of financial instruments with off-balance-sheet risk [Abstract]
Commitments to extend credit	719,013,000	745,674,000
Commitment to Sell Mortgage-Backed Securities [Member]
Summary of the contractual amounts of financial instruments with off-balance-sheet risk [Abstract]
Commitments to extend credit	$ 1,100,000	$ 0