Fixed interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

No definition available.

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- Definition

Federal home loan bank advances maximum borrowing capacity as percentage of total assets.

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Federal home loan bank fixed rate advances maturity date.

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- Definition

Federal Reserve Bank discount window borrowing.

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Line of credit facility expiration month and year.

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Line of credit facility extended maturity date.

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- Definition

Paycheck protection program liquidity facility.

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- Definition

Ratio applied to the conversion of required investment in Federal Home Loan Bank (FHL Bank) $1 for every $ 20.

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Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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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- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Other Borrowings - Additional Information (Details) - USD ($)				9 Months Ended
	Oct. 09, 2020	Apr. 21, 2020	Oct. 10, 2019	Sep. 30, 2020	Dec. 31, 2019	Oct. 13, 2016
Line Of Credit Facility [Line Items]
Paycheck protection program liquidity facility				$ 449,610,000
Federal Reserve Bank discount window borrowing				0	$ 0
Federal Home Loan Bank advances				$ 215,000,000	490,000,000
Federal home loan bank advances maximum borrowing capacity as percentage of total assets				35.00%
Federal home loan bank, required investment conversion ratio				4.50
Minimum
Line Of Credit Facility [Line Items]
Federal home loan bank advances, Fixed interest rate				0.00%
Federal home loan bank fixed rate advances, maturity date				2020-10
Maximum [Member]
Line Of Credit Facility [Line Items]
Federal home loan bank advances, Fixed interest rate				25.00%
Federal home loan bank fixed rate advances, maturity date				2021-05
Federal Reserve Bank of Chicago Discount Window Line
Line Of Credit Facility [Line Items]
Paycheck protection program liquidity facility				$ 449,600,000
Debt instrument, interest rate				0.35%
Federal Reserve Bank of Chicago Discount Window Line \| Minimum
Line Of Credit Facility [Line Items]
Line of credit facility, maturity month and year				2022-04
Federal Reserve Bank of Chicago Discount Window Line \| Maximum [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, maturity month and year				2022-05
Federal Reserve Bank of Chicago Discount Window Line \| Letter Agreement
Line Of Credit Facility [Line Items]
Interest rate spread		0.35%
Correspondent Bank \| Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, amount			$ 15,000,000.0
Line of credit facility, extended maturity date			Oct. 09, 2020
Line of credit facility, interest rate terms				The amended revolving line of credit bears interest at either the London Interbank Offered Rate (“LIBOR”) plus 195 basis points or the Prime Rate minus 75 basis points, based on the Company’s election, which is required to be communicated at least three business days prior to the commencement of an interest period. If the Company fails to provide timely notification, the interest rate will be Prime Rate minus 75 basis points. At September 30, 2020 and December 31, 2019, the line of credit had no outstanding balance.
Correspondent Bank \| Ridgestone \| LIBOR Rate
Line Of Credit Facility [Line Items]
Interest rate spread			1.95%
Correspondent Bank \| Ridgestone \| Prime Rate
Line Of Credit Facility [Line Items]
Interest rate spread			0.75%
Correspondent Bank \| Credit agreement \| Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, amount						$ 30,000,000.0
Correspondent Bank \| Fourth Amendment Revolving Credit Agreement \| Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, amount				$ 0	$ 0
Correspondent Bank \| Fourth Amendment Revolving Credit Agreement \| Ridgestone \| Subsequent Event
Line Of Credit Facility [Line Items]
Line of credit facility, extended maturity date	Oct. 08, 2021