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

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- Definition

Amount of assets pledged to secure a debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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The average effective interest rate during the reporting period.

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

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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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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

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- Definition

Amount of restricted investment in debt security measured at amortized cost (held-to-maturity).

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Amount of the cost of borrowed funds accounted for as interest expense.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt (Details) - USD ($)		1 Months Ended	6 Months Ended	12 Months Ended
Debt (Details) - USD ($)	Aug. 03, 2020	Mar. 31, 2020	Jun. 30, 2021	Dec. 31, 2020	May 03, 2021	Mar. 31, 2017
Revolver [Member]
Debt Instrument [Line Items]
Interest expense			$ 0
Collateral	$ 2,000,000.0		5,000,000.0
Maximum borrowing capacity	$ 2,000,000.0		$ 1,750,000
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Revolver [Member]
Debt Instrument [Line Items]
Variable interest rate			2.00%
London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member] \| Revolver [Member]
Debt Instrument [Line Items]
Variable interest rate			3.50%
Prime Rate [Member] \| Revolver [Member]
Debt Instrument [Line Items]
Variable interest rate	0.50%
Debt Obligation [Member]
Debt Instrument [Line Items]
Face amount of debt instrument						$ 3,500,000
Interest rate			3.65%
Collateral			$ 1,000,000.0
Debt Obligation [Member] \| Bofi Federal Bank B & C [Member]
Debt Instrument [Line Items]
Debt			$ 18,460,329	$ 13,465,574
Current interest rate			2.70%	1.60%
Federal Home Loan Bank of Chicago [Member]
Debt Instrument [Line Items]
Interest rate		1.40%
Collateral			$ 7,400,000
Term of debt instrument		5 years
Maximum borrowing capacity			37,000,000
FHLBC advances		$ 6,000,000.0
Securities pledged		$ 6,800,000
Federal Home Loan Bank of Chicago [Member] \| Debt Obligation 1 [Member]
Debt Instrument [Line Items]
Face amount of debt instrument			$ 4,000,000.0
Interest rate			0.00%
Debt			$ 6,000,000.0
Federal Home Loan Bank of Chicago [Member] \| Debt Obligation 2 [Member]
Debt Instrument [Line Items]
Face amount of debt instrument					$ 4,000,000.0
Interest rate					0.74%
Debt			4,000,000.0
Federal Home Loan Bank of Chicago [Member] \| Debt Obligation 3 [Member]
Debt Instrument [Line Items]
Face amount of debt instrument			$ 5,000,000.0
Interest rate			0.00%
Collateral			$ 5,800,000
Federal Home Loan Bank of Chicago [Member] \| Debt Obligation 4 [Member]
Debt Instrument [Line Items]
Face amount of debt instrument			$ 5,000,000.0
Interest rate			1.36%