Portfolio Loans - Collateral Dependent Loans (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	$ 20,835
Commercial Real Estate | Commercial and industrial | Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	8,316
Commercial Real Estate | Residential | Residential real estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Commercial Real Estate | Unallocated Financing Receivables | Other
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Commercial Real Estate | Commercial Portfolio Segment | Commercial - investor owned
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	9,579
Commercial Real Estate | Commercial Portfolio Segment | Commercial - owner occupied
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	2,940
Residential
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	4,135
Residential | Commercial and industrial | Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Residential | Residential | Residential real estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	4,135
Residential | Unallocated Financing Receivables | Other
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Residential | Commercial Portfolio Segment | Commercial - investor owned
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Residential | Commercial Portfolio Segment | Commercial - owner occupied
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Blanket Lien
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	394
Blanket Lien | Commercial and industrial | Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	394
Blanket Lien | Residential | Residential real estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Blanket Lien | Unallocated Financing Receivables | Other
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Blanket Lien | Commercial Portfolio Segment | Commercial - investor owned
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Blanket Lien | Commercial Portfolio Segment | Commercial - owner occupied
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Other Collateral
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	17
Other Collateral | Commercial and industrial | Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Other Collateral | Residential | Residential real estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Other Collateral | Unallocated Financing Receivables | Other
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	17
Other Collateral | Commercial Portfolio Segment | Commercial - investor owned
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0
Other Collateral | Commercial Portfolio Segment | Commercial - owner occupied
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	$ 0