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Loans and Allowance for Credit Losses on Loans - Collateral dependent loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	$ 43,129	$ 29,253
ACL Allocation	44,281	33,855
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	26,977	25,150
Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	9,901	1,070
Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	3,249	2,377
Other.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	3,002	656
Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	5,387	2,637
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	11,887	1,125
Commercial | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	1,986
Commercial | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	9,901	1,070
Commercial | Other.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral		55
Commercial | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	2,677	56
Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	3,754	2,974
Leases | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	3,249	2,377
Leases | Other.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	505	597
Leases | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	811	880
Commercial real estate - Investor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	5,693	4,179
Commercial real estate - Investor | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	5,693	4,179
Commercial real estate - Investor | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation		84
Commercial real estate - Owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	11,637	9,726
Commercial real estate - Owner occupied | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	9,147	9,726
Commercial real estate - Owner occupied | Other.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	2,490
Commercial real estate - Owner occupied | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	362	195
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	2,104	1,891
Construction | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	2,104	1,891
Construction | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	992	952
Residential real estate - Investor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	925	928
Residential real estate - Investor | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	925	928
Residential real estate - Owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	4,271	3,535
Residential real estate - Owner occupied | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	4,271	3,535
Residential real estate - Owner occupied | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	276	10
Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	1,845	3,838
Multifamily | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	1,845	3,838
Multifamily | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	75	378
HELOC
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	826	1,053
HELOC | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	826	1,053
HELOC | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	190	78
HELOC - Purchased
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	180
HELOC - Purchased | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	180
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	7	4
Other | Other.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	7	4
Other | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACL Allocation	$ 4	$ 4

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

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