Income Taxes	3 Months Ended
	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesFederal income tax expense for the three months ended March 31, 2024 and 2023 was computed using the consolidated effective federal tax rate.  The Company also recognized income tax expense pertaining to state franchise taxes payable individually by the subsidiary bank.  The Company files a consolidated tax return for federal purposes and separate tax returns for State of Iowa purposes.  The tax years ended December 31, 2023, 2022, and 2021 remain subject to examination by the Internal Revenue Service.  For state tax purposes, the tax years ended December 31, 2023, 2022, and 2021 remain open for examination.  There were no material unrecognized tax benefits at March 31, 2024  and December 31, 2023 and therefore no interest or penalties on unrecognized tax benefits has been recorded.  As of March 31, 2024, the Company does not anticipate any significant increase in unrecognized tax benefits during the twelve-month period ending March 31, 2025. Income taxes as a percentage of income before taxes were 20.57% for the three months ended March 31, 2024 and 21.15% for the same period in 2023.