| Component: (Network and Table) | |
|---|---|
| Network | 42402 - Disclosure - Fair Value Measurements - Reconciliation of Recurring Fair Value Measurements (Details) (http://www.cardinalbank.com/role/DisclosureFairValueMeasurementsReconciliationOfRecurringFairValueMeasurementsDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001060523 (http://www.sec.gov/CIK) |
| Fair Value Measurements | Period [Axis] |
|---|---|
2016-01-01 - 2016-12-31 | |
Fair Value Measurements | |
Reconciliation of recurring fair value measurements | |
Beginning Balance, January 1 | |
Originations of loans held for sale | |
Sales of loans held for sale | ( |
Gains or losses during the period recognized in earnings | |
Ending Balance, December 31 |