Notes Payable and Open Line of Credit Notes Payable and Open Line of Credit (Details) - Federal Home Loan Bank of Cincinnati [Member] $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 100.0
Line of Credit Facility, Expiration Period	1 year
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate	5 years
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Repayment and Penalties	$ 60.0
2016 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate	5 years
Long-term Federal Home Loan Bank Advances	$ 21.5
2020 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate	10 years
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	1.37%
Long-term Federal Home Loan Bank Advances	$ 21.5

Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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Amount of repayments and penalties incurred in the satisfaction or roll-over of Federal Home Loan Bank (FHLB) advance.

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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