Fair Value Measurements - Summary of Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financial assets
Other investments	$ 10,581	$ 8,478
Financial liabilities
Federal Home Loan Bank ("FHLB") advances	0	24,999
Carrying Value
Financial assets
Cash and due from banks	37,482	14,496
Interest earning deposits with other banks	373,246	798,665
Investment securities	98,871	36,623
Other investments	10,581	8,478
Loans held for sale	43,314
Loans receivable	2,507,889	1,714,103
Accrued interest receivable	13,114	8,105
Financial liabilities
Deposits	2,837,066	2,363,787
Federal Home Loan Bank ("FHLB") advances		24,999
Subordinated debt	24,343	24,288
Junior subordinated debentures	3,588	3,586
Accrued interest payable	153	357
Estimated Fair Value
Financial assets
Cash and due from banks	37,482	14,496
Interest earning deposits with other banks	373,246	798,665
Investment securities	98,753	36,675
Other investments	10,581	8,478
Loans held for sale	43,314
Loans receivable	2,548,820	1,686,124
Accrued interest receivable	13,114	8,105
Financial liabilities
Deposits	2,836,117	2,363,624
Federal Home Loan Bank ("FHLB") advances		24,447
Subordinated debt	21,643	21,891
Junior subordinated debentures	3,464	2,771
Accrued interest payable	153	357
Estimated Fair Value \| Level 1
Financial assets
Cash and due from banks	37,482	14,496
Interest earning deposits with other banks	373,246	798,665
Investment securities	97,316	34,998
Other investments	0	0
Loans held for sale	0
Loans receivable	0	0
Accrued interest receivable	0	0
Financial liabilities
Deposits	0	0
Federal Home Loan Bank ("FHLB") advances		0
Subordinated debt	0	0
Junior subordinated debentures	0	0
Accrued interest payable	0	0
Estimated Fair Value \| Level 2
Financial assets
Cash and due from banks	0	0
Interest earning deposits with other banks	0	0
Investment securities	1,437	1,677
Other investments	8,009	6,156
Loans held for sale	43,314
Loans receivable	0	0
Accrued interest receivable	13,114	8,105
Financial liabilities
Deposits	2,836,117	2,363,624
Federal Home Loan Bank ("FHLB") advances		24,447
Subordinated debt	21,643	21,891
Junior subordinated debentures	3,464	2,771
Accrued interest payable	153	357
Estimated Fair Value \| Level 3
Financial assets
Cash and due from banks	0	0
Interest earning deposits with other banks	0	0
Investment securities	0	0
Other investments	2,572	2,322
Loans held for sale
Loans receivable	2,548,820	1,686,124
Accrued interest receivable	0	0
Financial liabilities
Deposits	0	0
Federal Home Loan Bank ("FHLB") advances		0
Subordinated debt	0	0
Junior subordinated debentures	0	0
Accrued interest payable	$ 0	$ 0

Accrued interest payable fair value.

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Interest-bearing deposit in banks fair value.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Amount of advances from the Federal Home Loan Bank (FHLB).

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Amount of investments classified as other.

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