Loans and Leases and Allowance for Credit Losses - Troubled Debt Restructurings, by Type of Loan Modification (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	$ 1,000	$ 1,563
Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	1,000	1,480
Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	83
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	1,000	1,219
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	1,000	1,136
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	83
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Other construction/land [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Other construction/land [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Other construction/land [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Other construction/land [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Other construction/land [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | 1-4 Family - Closed-End [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | 1-4 Family - Closed-End [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | 1-4 Family - Closed-End [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | 1-4 Family - Closed-End [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | 1-4 Family - Closed-End [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	1,000	1,083
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Equity Lines [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Equity Lines [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	1,000	1,000
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Equity Lines [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Equity Lines [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	83
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Multi-Family Residential [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Multi-Family Residential [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Multi-Family Residential [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Multi-Family Residential [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Multi-Family Residential [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	136
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Commercial Real Estate Owner Occupied [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Commercial Real Estate Owner Occupied [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	136
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Commercial Real Estate Owner Occupied [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Commercial Real Estate Owner Occupied [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Farmland [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Farmland [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Farmland [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Farmland [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Farmland [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Agricultural Portfolio Segment [Member] | Agricultural Sector [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	118
Agricultural Portfolio Segment [Member] | Agricultural Sector [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Agricultural Portfolio Segment [Member] | Agricultural Sector [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	118
Agricultural Portfolio Segment [Member] | Agricultural Sector [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Agricultural Portfolio Segment [Member] | Agricultural Sector [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	185
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	185
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	41
Consumer Portfolio Segment [Member] | Troubled Debt Restructurings Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Consumer Portfolio Segment [Member] | Troubled Debt Restructurings Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0	$ 41
Consumer Portfolio Segment [Member] | Troubled Debt Restructurings Interest Only Modification [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	0
Consumer Portfolio Segment [Member] | Troubled Debt Restructurings Rate And Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment During Period	$ 0