Loans and Allowance for Loan Losses (Amortized Cost of Loans by Loan Portfolio Class) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 61,339	$ 41,643
Percentage of Total by Financing Class	0.10%
Amortized cost basis of loans, aging analysis	$ 61,339
Amortized cost basis of loans, non-accrual	1,116
Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	60,223
Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	226
Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	19,357
Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	41,756
Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 59,348	28,402
Percentage of Total by Financing Class	0.30%
Amortized cost basis of loans, aging analysis	$ 59,348
Amortized cost basis of loans, non-accrual	589
Total commercial and industrial | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	58,759
Total commercial and industrial | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial and industrial | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial and industrial | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	49
Total commercial and industrial | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	17,789
Total commercial and industrial | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	41,510
Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 16,617	18,441
Percentage of Total by Financing Class	0.10%
Amortized cost basis of loans, aging analysis	$ 16,617
Amortized cost basis of loans, non-accrual	589
Total commercial and industrial | Commercial, financial and agricultural | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	16,028
Total commercial and industrial | Commercial, financial and agricultural | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial and industrial | Commercial, financial and agricultural | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial and industrial | Commercial, financial and agricultural | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	49
Total commercial and industrial | Commercial, financial and agricultural | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	16,321
Total commercial and industrial | Commercial, financial and agricultural | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	247
Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 42,731	9,961
Percentage of Total by Financing Class	0.50%
Amortized cost basis of loans, aging analysis	$ 42,731
Amortized cost basis of loans, non-accrual	0
Total commercial and industrial | Owner-occupied | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	42,731
Total commercial and industrial | Owner-occupied | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial and industrial | Owner-occupied | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial and industrial | Owner-occupied | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial and industrial | Owner-occupied | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	1,468
Total commercial and industrial | Owner-occupied | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	41,263
Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 1,339	11,143
Percentage of Total by Financing Class	0.00%
Amortized cost basis of loans, aging analysis	$ 1,339
Amortized cost basis of loans, non-accrual	0
Total commercial real estate | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	1,339
Total commercial real estate | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	1,339
Total commercial real estate | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	7,199
Percentage of Total by Financing Class	0.00%
Amortized cost basis of loans, aging analysis	$ 0
Amortized cost basis of loans, non-accrual	0
Total commercial real estate | Investment properties | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | Investment properties | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | Investment properties | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | Investment properties | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Investment properties | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Investment properties | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 1,339	1,213
Percentage of Total by Financing Class	0.20%
Amortized cost basis of loans, aging analysis	$ 1,339
Amortized cost basis of loans, non-accrual	0
Total commercial real estate | 1-4 family properties | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	1,339
Total commercial real estate | 1-4 family properties | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | 1-4 family properties | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | 1-4 family properties | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | 1-4 family properties | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	1,339
Total commercial real estate | 1-4 family properties | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	2,731
Percentage of Total by Financing Class	0.00%
Amortized cost basis of loans, aging analysis	$ 0
Amortized cost basis of loans, non-accrual	0
Total commercial real estate | Land and development | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | Land and development | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | Land and development | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total commercial real estate | Land and development | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Land and development | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Land and development | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 652	2,098
Percentage of Total by Financing Class	0.00%
Amortized cost basis of loans, aging analysis	$ 652
Amortized cost basis of loans, non-accrual	527
Total consumer | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	125
Total consumer | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	177
Total consumer | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	229
Total consumer | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	246
Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 113	1,121
Percentage of Total by Financing Class	0.00%
Amortized cost basis of loans, aging analysis	$ 113
Amortized cost basis of loans, non-accrual	113
Total consumer | Consumer mortgages | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Consumer mortgages | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Consumer mortgages | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Consumer mortgages | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	113
Total consumer | Consumer mortgages | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer | Consumer mortgages | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 103	929
Percentage of Total by Financing Class	0.00%
Amortized cost basis of loans, aging analysis	$ 103
Amortized cost basis of loans, non-accrual	0
Total consumer | Home equity | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	103
Total consumer | Home equity | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Home equity | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Home equity | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer | Home equity | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	88
Total consumer | Home equity | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	15
Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0
Percentage of Total by Financing Class	0.00%
Amortized cost basis of loans, aging analysis	$ 0
Amortized cost basis of loans, non-accrual	0
Total consumer | Credit cards | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Credit cards | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Credit cards | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Credit cards | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer | Credit cards | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer | Credit cards | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 436	$ 48
Percentage of Total by Financing Class	0.00%
Amortized cost basis of loans, aging analysis	$ 436
Amortized cost basis of loans, non-accrual	414
Total consumer | Other consumer loans | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	22
Total consumer | Other consumer loans | Accruing 30-89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Other consumer loans | Accruing 90 Days or Greater Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost basis of loans, aging analysis	0
Total consumer | Other consumer loans | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	64
Total consumer | Other consumer loans | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	141
Total consumer | Other consumer loans | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 231