Loans - Summary of Credit Loss Estimation (Details)	6 Months Ended
	Jun. 30, 2022
Residential Portfolio Segment [Member] | Real Estate [Member] | 1-4 Family Nonowner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Residential real estate
Loan Pool	1-4 Family nonowner occupied
Methodology	DCF
Loss Drivers	National unemployment
Residential Portfolio Segment [Member] | Real Estate [Member] | 1-4 Family Owner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Loan Pool	1-4 Family owner occupied
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Commercial Real Estate Nonowner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Commercial real estate nonowner occupied
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Commercial real estate owner occupied
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Multi Family Residential Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Multi Family
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Agriculture Land [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Agriculture Land
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Commercial Loans Other [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial
Loan Pool	Other commercial real estate
Methodology	DCF
Loss Drivers	National unemployment
Construction Portfolio Segment [Member] | Real Estate [Member] | Construction Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Construction secured by real estate
Loan Pool	Construction Other
Methodology	PD/LGD
Loss Drivers	Call report loss history
Commercial Loan Portfolio Segment [Member] | Other Loans [Member] | Commercial Loans Other [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial
Loan Pool	Other commercial
Methodology	PD/LGD
Loss Drivers	Call report loss history
Commercial Loan Portfolio Segment [Member] | Other Loans [Member] | Commercial Working Capital [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial
Loan Pool	Commercial working capital
Methodology	PD/LGD
Loss Drivers	Call report loss history
Commercial Loan Portfolio Segment [Member] | Other Loans [Member] | Agriculture Production [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial
Loan Pool	Agriculture production
Methodology	PD/LGD
Loss Drivers	Call report loss history
Home Equity and Improvement Portfolio Segment [Member] | Other Loans [Member] | Home Equity and Improvement [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Home equity and improvement
Loan Pool	Home equity and improvement
Methodology	PD/LGD
Loss Drivers	Call report loss history
Consumer Finance [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loan Pool	Consumer indirect
Methodology	DCF
Loss Drivers	National unemployment
Consumer Finance [Member] | Other Loans [Member] | Consumer Finance [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Consumer finance
Loan Pool	Consumer direct
Methodology	Remaining life
Loss Drivers	Call report loss history