Cash flow leverage ratio.

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- Definition

Number of installments in which the debt instrument is to be repaid.

+ References

No definition available.

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- Definition

Ratio of debt serve ratio one.

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No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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- Definition

Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

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- Definition

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

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- Definition

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

+ References

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of the required periodic payments including both interest and principal payments.

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- Definition

This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

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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.

+ References

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Amount of the required periodic payments of both interest and principal.

+ References

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- Definition

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 - Additional Information (Details) $ in Thousands								3 Months Ended
DEBT - Additional Information (Details) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Jan. 31, 2021 USD ($)	Aug. 01, 2020 USD ($)	Apr. 23, 2020 USD ($) item	Mar. 27, 2020 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)
DEBT ARRANGEMENTS
Long-term Debt								$ 24,340	$ 25,052
Minimum \| President and Chief Executive Officer [Member]
DEBT ARRANGEMENTS
Life Insurance, Corporate or Bank Owned, Amount								$ 5,000
Credit Arrangements [Member] \| Maximum
DEBT ARRANGEMENTS
Minimum Debt Service Coverage Ratio One	1.20	1.10	1.05
Cash Flow Leverage Ratio	4.25	5.00	5.75					6.00
Credit Arrangements [Member] \| Minimum
DEBT ARRANGEMENTS
Minimum Debt Service Coverage Ratio One	1.00	1.00	1.0
Cash Flow Leverage Ratio	1.00	1.00	1.00					1.00
First Internet Bank of Indiana [Member]
DEBT ARRANGEMENTS
Debt Instrument, Periodic Payment								$ 33
Debt Instrument, Interest Rate, Stated Percentage								3.99%
Debt Instrument, Face Amount								$ 4,500
Long-term Debt, Gross								3,686
First Internet Bank of Indiana [Member] \| Equipment Draw Loan [Member]
DEBT ARRANGEMENTS
Long-term Debt								1,185
Line of Credit Facility, Additional Borrowing Capacity								1,429
First Internet Bank of Indiana [Member] \| Construction Draw Loan [Member]
DEBT ARRANGEMENTS
Long-term Debt								4,123
Line of Credit Facility, Additional Borrowing Capacity								$ 4,445
First Internet Bank of Indiana [Member] \| Revolving Credit Facility [Member]
DEBT ARRANGEMENTS
Debt Instrument, Interest Rate, Stated Percentage								4.00%
Line of Credit Facility, Additional Borrowing Capacity								$ 5,000
Basis points deducted from prime rate								0.00%
Seller Note - Smithers Avanza \| Unsecured promissory note
DEBT ARRANGEMENTS
Debt Instrument, Interest Rate, Stated Percentage								6.50%
Debt Instrument, Face Amount								$ 810
Long-term Debt								570
Paycheck protection program loan \| Unsecured promissory note
DEBT ARRANGEMENTS
Debt Instrument, Periodic Payment								$ 800
Debt Instrument, Interest Rate, Stated Percentage								4.50%
Long-term Debt								$ 735
Initial term loan [Member]
DEBT ARRANGEMENTS
Long-term Debt								3,686	3,748
Subsequent Term Loan [Member] \| First Internet Bank of Indiana [Member]
DEBT ARRANGEMENTS
Debt Instrument, Periodic Payment								$ 78
Debt Instrument, Interest Rate, Stated Percentage								5.06%
Debt Instrument, Face Amount								$ 5,500
Long-term Debt								3,820
Third term loan
DEBT ARRANGEMENTS
Long-term Debt								1,067	1,115
Third term loan \| First Internet Bank of Indiana [Member]
DEBT ARRANGEMENTS
Debt Instrument, Periodic Payment								$ 20
Debt Instrument, Interest Rate, Stated Percentage								4.63%
Debt Instrument, Face Amount								$ 1,271
Long-term Debt								1,067
Fifth term loan
DEBT ARRANGEMENTS
Long-term Debt								$ 1,875	1,891
Fifth term loan \| First Internet Bank of Indiana [Member]
DEBT ARRANGEMENTS
Debt Instrument, Interest Rate, Stated Percentage								4.00%
Debt Instrument, Face Amount								$ 1,939
Long-term Debt								1,875
Fourth term loan
DEBT ARRANGEMENTS
Long-term Debt								$ 1,356	$ 1,425
Fourth term loan \| First Internet Bank of Indiana [Member]
DEBT ARRANGEMENTS
Debt Instrument, Interest Rate, Stated Percentage								4.00%
Debt Instrument, Face Amount								$ 1,500
Long-term Debt								$ 1,356
Current Credit Agreement [Member] \| First Internet Bank of Indiana [Member] \| Construction Draw Loan [Member]
DEBT ARRANGEMENTS
Debt Instrument, Interest Rate, Stated Percentage								5.20%
Capex Line [Member] \| First Internet Bank of Indiana [Member] \| Capital Expenditure Line of Credit [Member]
DEBT ARRANGEMENTS
Debt Instrument, Face Amount								$ 1,100
Long-term Debt							$ 948	$ 872
Basis points deducted from prime rate								4.00%
Line of Credit Facility, Periodic Payment					$ 17
Second Capex Line [Member] \| First Internet Bank of Indiana [Member] \| Capital Expenditure Line of Credit [Member]
DEBT ARRANGEMENTS
Debt Instrument, Face Amount								$ 3,000
Long-term Debt								$ 18
Basis points deducted from prime rate								4.25%
Line of Credit Facility, Periodic Payment				$ 55
Payroll Protection Payroll (PPP) Program Loan
DEBT ARRANGEMENTS
Forgiveness of the loan							$ 4,851
Payroll Protection Payroll (PPP) Program Loan \| Huntington National Bank
DEBT ARRANGEMENTS
Debt Instrument, Periodic Payment						$ 283
Debt Instrument, Face Amount						$ 5,051
Number of installments for repayment \| item						18
Forgiveness of the loan						$ 4,851