Borrowings - Narrative (Details)	May 01, 2019 USD ($) arrangement	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Lendable collateral of loans		$ 93,200,000
Remaining credit available		619,300,000
Number of borrowing arrangements entered into | arrangement	2
Outstanding balance on line of credit		0
Subordinated debt		24,200,000	$ 24,200,000
Line of credit, current borrowing capacity		53,000,000
Federal Reserve Bank Advances
Debt Instrument [Line Items]
Short-term debt, borrowing capacity		$ 0
Term Note
Debt Instrument [Line Items]
Line of credit, maximum amount	$ 10,000,000
Debt instrument, stated interest rate	4.70%
Notes payable balance			7,300,000
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 10,000,000
Outstanding balance on line of credit			$ 5,300,000
Revolving Credit Facility | Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.40%
Minimum
Debt Instrument [Line Items]
FHLB interest rate		1.01%
Maximum
Debt Instrument [Line Items]
FHLB interest rate		3.51%