XML 23 R117.htm IDEA: XBRL DOCUMENT v3.20.1

Regulatory Capital (Details Narrative) $ in Thousands	Dec. 31, 2019 USD ($)
Regulatory Capital
Amount of undistributed net income available for dividends	$ 12,900

X

- References

No definition available.

+ Details

Name:	cofs_RegulatoryCapitalAbstract
Namespace Prefix:	cofs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of dividends that can be declared or paid without approval of regulatory agency.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant