Derivatives and Hedging Activities - Schedule of Effect of Fair Value and Cash Flow Hedge Accounting on the Statement of Financial Performance (Details) - Interest Rate Products - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Gain or (loss) on fair value hedging relationships in Subtopic 815-20 | ||||
| Hedged items | $ 30 | $ 158 | $ 38 | $ 498 |
| Derivatives designated as hedging instruments | 0 | 89 | 23 | 42 |
| Income Statement Location [Axis]: tmp:DebtSecuritiesAvailableforsaleRealizedGainLossOnTransactions | ||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Total amounts of income and expense line items presented in the statement of financial performance in which the effects of fair value or cash flow hedges are recorded | $ 30 | $ 247 | $ 61 | $ 540 |
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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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