Summary of Significant Accounting Policies - Basis of Presentation (Details)	9 Months Ended
Sep. 30, 2016 subsidiary
C&F Bank
Nature of Operations
Number of wholly owned subsidiaries	5
CVB Title Services, Inc.
Nature of Operations
Number of insurance-related limited liability companies in which an ownership interest is held	2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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