Loans - Summary of Performing and Non Performing Loans (Details) $ in Thousands	Sep. 30, 2020 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	$ 17,860
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	17,733
Non Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	127
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	12,489
Commercial and industrial | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	12,425
Commercial and industrial | Non Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	64
Residential Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	927
Residential Portfolio Segment | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	927
Residential Portfolio Segment | Non Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	0
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	4,444
Other | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	4,381
Other | Non Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	$ 63