| Component: (Network and Table) | |
|---|---|
| Network | 2408404 - Disclosure - Goodwill and Intangible Assets (Scheduled Amortization) (Details) (http://www.1stconstitution.com/role/GoodwillAndIntangibleAssetsScheduledAmortizationDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001141807 (http://www.sec.gov/CIK) |
| Goodwill and Intangible Assets Disclosure [Abstract] | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
Goodwill and Intangible Assets Disclosure [Abstract] | ||
2017 | ||
2018 | ||
2019 | ||
2020 | ||
2021 | ||
Thereafter | ||
Core deposits intangible | 1,026,000 | 1,430,000 |