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Stock Options and Restricted Shares - Unvested Restricted Awards (Details) | 9 Months Ended
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Sep. 30, 2025 $ / shares shares
Restricted share awards |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |
Unvested, beginning of period (in shares) | 705,934 |
Shares awarded | 188,508 |
Restrictions lapsed and shares released to associates/directors (in shares) | (208,184) |
Shares forfeited (in shares) | (29,667) |
Unvested, end of period (in shares) | 656,591 |
Grant Date Weighted-Average Cost |  |
Unvested, beginning of period (in dollars per share) | $ / shares | $ 82.48 |
Unvested, end of period (in dollars per share) | $ / shares | $ 92.93 |
Time Based Awards | Associates |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |
Shares awarded | 182,199 | [1],[2]
Restrictions lapsed and shares released to associates/directors (in shares) | (217) | [1],[2]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Shares Withheld For Taxes By Associates Leadership Team and Directors | 127 | [1],[2]
Shares forfeited (in shares) | (5,920) | [1],[2],[3]
Unvested, end of period (in shares) | 175,935 | [1],[2]
Time Based Awards | Associates | Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |
Vesting period in years | 5 years |
Outside Director Awards [Member] | Outside directors |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |
Vesting period in years | 1 year | [1],[4]
Shares awarded | 6,309 | [1],[4]
Restrictions lapsed and shares released to associates/directors (in shares) | 0 | [1],[4]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Shares Withheld For Taxes By Associates Leadership Team and Directors | 0 | [1],[4]
Shares forfeited (in shares) | 0 | [1],[3],[4]
Unvested, end of period (in shares) | 6,309 | [1],[4]
[1] | Groups include employees (referred to as associates above) and outside directors. When the restricted shares are awarded, a participant receives voting rights and forfeitable dividend rights with respect to the shares, but is not able to transfer the shares until the restrictions have lapsed. Once the restrictions lapse, the participant is taxed on the value of the award and shares are withheld by Pinnacle Financial to pay the applicable income taxes associated with the award. For time-based vesting restricted share awards, dividends paid on shares for which the forfeiture restrictions do not lapse will be recouped by Pinnacle Financial at the time of termination. For awards to Pinnacle Financial's directors, dividends are placed into escrow until the forfeiture restrictions on such shares lapse.
[2] | The forfeiture restrictions on these restricted share awards lapse in equal annual installments on the anniversary date of the grant.
[3] | These shares represent forfeitures resulting from recipients whose employment was terminated during the year-to-date period ended September 30, 2025. Any dividends paid on shares for which the forfeiture restrictions do not lapse will be recouped by Pinnacle Financial at the time of termination or will not be distributed from escrow, as applicable.
[4] | Restricted share awards are issued to the outside members of the board of directors in accordance with their board compensation plan. Restrictions lapse on March 1, 2026 based on each individual board member meeting attendance goals for the various board and board committee meetings to which each member was scheduled to attend.

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- Definition Vesting period of for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Shares Withheld For Taxes By Associates Leadership Team and Directors + References No definition available. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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