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Other Borrowings (Details) - USD ($) $ in Thousands		1 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2018
Debt Instrument [Line Items]
Subordinated debentures	$ 5,983	$ 5,983		$ 5,948
Notes payable	3,413	3,413		3,754
PPP Liquidity Facility	144,601	144,601		$ 881,262
Subordinated Debt | June 2021 Subordinated Debentures
Debt Instrument [Line Items]
Debt instrument, face amount	$ 6,000	$ 6,000
Debt instrument, redemption period		5 years
Debt instrument, fixed interest rate	4.50%	4.50%
Debt instrument, initial term		5 years
Subordinated Debt | December 2018 Subordinated Debentures
Debt Instrument [Line Items]
Debt instrument, face amount					$ 6,000
Debt instrument, fixed interest rate					6.875%
Subordinated Debt | Secured Overnight Financing Rate (SOFR) | June 2021 Subordinated Debentures
Debt Instrument [Line Items]
Debt Instrument, final term		5 years
Debt instrument, floating rate		3.78%
Notes Payable, Other Payables | Amortizing Note Payable
Debt Instrument [Line Items]
Debt instrument, collateral, percentage of Bank's stock			100.00%
Notes Payable, Other Payables | Prime Rate | Amortizing Note Payable
Debt Instrument [Line Items]
Debt instrument, floating rate	3.25%

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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