XML 66 R54.htm IDEA: XBRL DOCUMENT
v3.21.2

Employee Benefit Plans - Narrative (Details) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Retirement Benefits [Abstract] |  |
Amortization of amounts previously recognized in accumulated other comprehensive income (loss) | $ 1,800,000 | $ 1,500,000
Contribution to pension plan | $ 0 | $ 0

X
- Definition Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References No definition available. + Details
Name: | tmp_AmortizationOfAmountsPreviouslyRecognizedInAccumulatedOtherComprehensiveIncome
Namespace Prefix: | tmp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration