XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.23.2

Loans and Allowance for Loan Losses (Amortized Cost of Loans by Loan Portfolio Class) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 29,016 | $ 37,282 | $ 88,690 | $ 78,925
Percentage of Total by Financing Class | 0.10% |  | 0.20% |
Amortized cost basis of loans, aging analysis | $ 88,690 |  | $ 88,690 |
Amortized cost basis of loans, non-accrual | 16,436 |  | 16,436 |
Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 72,254 |  | 72,254 |
Accruing 30-89 Days Past Due |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 0 |  | 0 |
Accruing 90 Days or Greater Past Due |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 0 |  | 0 |
Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 2,669 |  | 2,781 |
Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 10,845 |  | 28,667 |
Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 13,401 |  | 13,401 |
Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 2,101 |  | 43,841 |
Total commercial and industrial |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 24,412 | 31,230 | $ 82,185 | 59,632
Percentage of Total by Financing Class | 0.10% |  | 0.40% |
Amortized cost basis of loans, aging analysis | $ 82,185 |  | $ 82,185 |
Amortized cost basis of loans, non-accrual | 13,401 |  | 13,401 |
Total commercial and industrial | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 68,784 |  | 68,784 |
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 |  | 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 |  | 0 |
Total commercial and industrial | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 1,972 |  | 1,972 |
Total commercial and industrial | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 7,852 |  | 24,125 |
Total commercial and industrial | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 13,401 |  | 13,401 |
Total commercial and industrial | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 1,187 |  | 42,687 |
Total commercial and industrial | Commercial, financial and agricultural |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 24,024 | 8,800 | $ 39,098 | 27,241
Percentage of Total by Financing Class | 0.20% |  | 0.30% |
Amortized cost basis of loans, aging analysis | $ 39,098 |  | $ 39,098 |
Amortized cost basis of loans, non-accrual | 13,401 |  | 13,401 |
Total commercial and industrial | Commercial, financial and agricultural | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 25,697 |  | 25,697 |
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 |  | 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 |  | 0 |
Total commercial and industrial | Commercial, financial and agricultural | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 1,972 |  | 1,972 |
Total commercial and industrial | Commercial, financial and agricultural | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 7,464 |  | 22,297 |
Total commercial and industrial | Commercial, financial and agricultural | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 13,401 |  | 13,401 |
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 | 1,187 |  | 1,428 |
Total commercial and industrial | Owner-occupied |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 388 | 22,430 | $ 43,087 | 32,391
Percentage of Total by Financing Class | 0.00% |  | 0.50% |
Amortized cost basis of loans, aging analysis | $ 43,087 |  | $ 43,087 |
Amortized cost basis of loans, non-accrual | 0 |  | 0 |
Total commercial and industrial | Owner-occupied | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 43,087 |  | 43,087 |
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 |  | 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 |  | 0 |
Total commercial and industrial | Owner-occupied | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total commercial and industrial | Owner-occupied | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 388 |  | 1,828 |
Total commercial and industrial | Owner-occupied | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total commercial and industrial | Owner-occupied | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 41,259 |
Total commercial real estate |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 2,722 | 3,111 | $ 4,048 | 14,254
Percentage of Total by Financing Class | 0.00% |  | 0.00% |
Amortized cost basis of loans, aging analysis | $ 4,048 |  | $ 4,048 |
Amortized cost basis of loans, non-accrual | 1,680 |  | 1,680 |
Total commercial real estate | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 2,368 |  | 2,368 |
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 |  | 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 |  | 0 |
Total commercial real estate | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total commercial real estate | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 2,340 |  | 3,666 |
Total commercial real estate | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total commercial real estate | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 382 |  | 382 |
Total commercial real estate | Investment properties |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 660 | 690 | $ 660 | 7,889
Percentage of Total by Financing Class | 0.00% |  | 0.00% |
Amortized cost basis of loans, aging analysis | $ 660 |  | $ 660 |
Amortized cost basis of loans, non-accrual | 0 |  | 0 |
Total commercial real estate | Investment properties | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 660 |  | 660 |
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 |  | 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 |  | 0 |
Total commercial real estate | Investment properties | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total commercial real estate | Investment properties | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 660 |  | 660 |
Total commercial real estate | Investment properties | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 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 |  | 0 |
Total commercial real estate | 1-4 family properties |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 2,062 | 1,984 | $ 3,388 | 3,197
Percentage of Total by Financing Class | 0.30% |  | 0.60% |
Amortized cost basis of loans, aging analysis | $ 3,388 |  | $ 3,388 |
Amortized cost basis of loans, non-accrual | 1,680 |  | 1,680 |
Total commercial real estate | 1-4 family properties | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 1,708 |  | 1,708 |
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 |  | 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 |  | 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 |  | 0 |
Total commercial real estate | 1-4 family properties | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 1,680 |  | 3,006 |
Total commercial real estate | 1-4 family properties | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
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 | 382 |  | 382 |
Total commercial real estate | Land and development |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 0 | 437 | $ 0 | 3,168
Percentage of Total by Financing Class | 0.00% |  | 0.00% |
Amortized cost basis of loans, aging analysis | $ 0 |  | $ 0 |
Amortized cost basis of loans, non-accrual | 0 |  | 0 |
Total commercial real estate | Land and development | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 0 |  | 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 |  | 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 |  | 0 |
Total commercial real estate | Land and development | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total commercial real estate | Land and development | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total commercial real estate | Land and development | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 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 |  | 0 |
Total consumer |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 1,882 | 2,941 | $ 2,457 | 5,039
Percentage of Total by Financing Class | 0.00% |  | 0.00% |
Amortized cost basis of loans, aging analysis | $ 2,457 |  | $ 2,457 |
Amortized cost basis of loans, non-accrual | 1,355 |  | 1,355 |
Total consumer | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 1,102 |  | 1,102 |
Total consumer | Accruing 30-89 Days Past Due |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 0 |  | 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 |  | 0 |
Total consumer | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 697 |  | 809 |
Total consumer | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 653 |  | 876 |
Total consumer | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 532 |  | 772 |
Total consumer | Consumer mortgages |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 695 | 321 | $ 807 | 1,442
Percentage of Total by Financing Class | 0.00% |  | 0.00% |
Amortized cost basis of loans, aging analysis | $ 807 |  | $ 807 |
Amortized cost basis of loans, non-accrual | 807 |  | 807 |
Total consumer | Consumer mortgages | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 0 |  | 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 |  | 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 |  | 0 |
Total consumer | Consumer mortgages | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 695 |  | 807 |
Total consumer | Consumer mortgages | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Consumer mortgages | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Consumer mortgages | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Home equity |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 615 | 2,529 | $ 716 | 3,458
Percentage of Total by Financing Class | 0.00% |  | 0.00% |
Amortized cost basis of loans, aging analysis | $ 716 |  | $ 716 |
Amortized cost basis of loans, non-accrual | 0 |  | 0 |
Total consumer | Home equity | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 716 |  | 716 |
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 |  | 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 |  | 0 |
Total consumer | Home equity | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Home equity | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 339 |  | 426 |
Total consumer | Home equity | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Home equity | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 276 |  | 290 |
Total consumer | Credit cards |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 0 |  | $ 0 |
Percentage of Total by Financing Class | 0.00% |  | 0.00% |
Amortized cost basis of loans, aging analysis | $ 0 |  | $ 0 |
Amortized cost basis of loans, non-accrual | 0 |  | 0 |
Total consumer | Credit cards | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 0 |  | 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 |  | 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 |  | 0 |
Total consumer | Credit cards | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Credit cards | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Credit cards | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Credit cards | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Other consumer loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 572 | $ 91 | $ 934 | $ 139
Percentage of Total by Financing Class | 0.00% |  | 0.10% |
Amortized cost basis of loans, aging analysis | $ 934 |  | $ 934 |
Amortized cost basis of loans, non-accrual | 548 |  | 548 |
Total consumer | Other consumer loans | Current |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost basis of loans, aging analysis | 386 |  | 386 |
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 |  | 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 |  | 0 |
Total consumer | Other consumer loans | Interest Rate Reduction |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 2 |  | 2 |
Total consumer | Other consumer loans | Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 314 |  | 450 |
Total consumer | Other consumer loans | Principal Forgiveness and Term Extensions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | 0 |  | 0 |
Total consumer | Other consumer loans | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Amortized cost of loans, modified | $ 256 |  | $ 482 |

X
- Definition Financing Receivable, Excluding Accrued Interest, Modified, Nonaccrual + References No definition available. + Details
Name: | syn_FinancingReceivableExcludingAccruedInterestModifiedNonaccrual
Namespace Prefix: | syn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable 12 months after modification for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPast12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=syn_FinancialAsset30To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndPrincipalForgivenessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=syn_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=syn_CommercialFinancialandAgriculturalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=syn_OwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=syn_InvestmentPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=syn_OneToFourFamilyPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=syn_LandAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=syn_CreditCardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=syn_OtherConsumerLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |