XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Mortgage Banking (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Mortgage Banking [Abstract] |
Schedule of Activity in Secondary Market Loans | Activity in secondary market loans during the year was as follows:
(Dollars in thousands) |  |  |  |  |  |  |  |
| 2023 |  |  | 2022 |  |  | 2021 |
Loans originated for resale, net of principal payments | $ | 56,085 |  |  | $ | 71,829 |  |  | $ | 197,387 |
Proceeds from loan sales | $ | 57,342 |  |  | $ | 77,681 |  |  | $ | 205,398 |
Net gains on sales of loans held for sale | $ | 1,954 |  |  | $ | 2,343 |  |  | $ | 6,776 |
Loan servicing fees, net of amortization | $ | 211 |  |  | $ | 175 |  |  | $ | (163 | )
Schedule of Activity for Loan Servicing Rights | Activity for loan servicing rights (included in other assets) was as follows:
(Dollars in thousands) |  |  |  |  |  |  |  |
| 2023 |  |  | 2022 |  |  | 2021 |
Balance, beginning of year | $ | 4,322 |  |  | $ | 4,667 |  |  | $ | 3,967 |
Capitalized |  | 820 |  |  |  | 1,007 |  |  |  | 1,961 |
Amortization |  | (1,308 | ) |  |  | (1,352 | ) |  |  | (1,635 | )
Market valuation allowance change |  | - |  |  |  | - |  |  |  | 374 |
Balance, end of year | $ | 3,834 |  |  | $ | 4,322 |  |  | $ | 4,667 |

X
- Definition Tabular disclosure of activity in secondary market loans. + References No definition available. + Details
Name: | cofs_ScheduleOfActivityInSecondaryMarketLoansTableTextBlock
Namespace Prefix: | cofs_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_MortgageBankingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of activity in the balance of servicing assets subsequently measured at amortized cost. Includes, but is not limited to, beginning and ending balances, additions, disposals, and amortization. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-4 + Details
Name: | us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration