Note 13: Subordinated Notes: Subordinated Notes Details (Details) - USD ($) $ in Thousands		3 Months Ended
Aug. 08, 2016	Mar. 31, 2019	Mar. 31, 2018
Debt Instrument, Interest Rate Terms		The notes are due August 15, 2026, and have a fixed interest rate of 5.25% until August 15, 2021, at which time the rate becomes floating at a rate equal to three-month LIBOR plus 4.087%.
Amortization of Debt Discount (Premium)		$ 110	$ 40
Subordinated Borrowing, Interest Rate		5.83%
Senior Subordinated Notes
Proceeds from Issuance of Senior Long-term Debt	$ 73,500
Payment of Financing and Stock Issuance Costs	$ 1,500

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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The total of the cash outflow during the period which has been paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt and the cost incurred directly for the issuance of equity securities.

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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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Stated interest rate of the subordinated debt.

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