Note 15: Disclosures About Fair Value of Financial Instruments: Fair Value Loans Held for Sale Policy (Policies)	12 Months Ended
Dec. 31, 2017
Policies
Fair Value Loans Held for Sale Policy	Loans Held for Sale Mortgage loans held for sale are recorded at the lower of carrying value or fair value. The fair value of mortgage loans held for sale is based on what secondary markets are currently offering for portfolios with similar characteristics. As such, the Company classifies mortgage loans held for sale as Nonrecurring Level 2. Write-downs to fair value typically do not occur as the Company generally enters into commitments to sell individual mortgage loans at the time the loan is originated to reduce market risk. The Company typically does not have commercial loans held for sale. At December 31, 2017 and 2016, the aggregate fair value of mortgage loans held for sale exceeded their cost. Accordingly, no mortgage loans held for sale were marked down and reported at fair value.

Note 15: Disclosures About Fair Value of Financial Instruments: Fair Value Loans Held for Sale Policy (Policies)

12 Months Ended

Dec. 31, 2017

Loans Held for Sale

Mortgage loans held for sale are recorded at the lower of carrying value or fair value. The fair value of mortgage loans held for sale is based on what secondary markets are currently offering for portfolios with similar characteristics. As such, the Company classifies mortgage loans held for sale as Nonrecurring Level 2. Write-downs to fair value typically do not occur as the Company generally enters into commitments to sell individual mortgage loans at the time the loan is originated to reduce market risk. The Company typically does not have commercial loans held for sale. At December 31, 2017 and 2016, the aggregate fair value of mortgage loans held for sale exceeded their cost. Accordingly, no mortgage loans held for sale were marked down and reported at fair value.