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Stock Options and Restricted Shares - Restricted Shares Awarded (Details) | 3 Months Ended
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Mar. 31, 2019 shares | [1]
Time Based Awards | Associates |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares awarded | 175,561 | [2]
Restrictions Lapsed and shares released to participants | 169 | [2]
Shares Forfeited by participants | 2,616 | [2],[3]
Shares Unvested | 172,776 | [2]
Time Based Awards | Associates | Minimum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting Period in years | 3 years | [2]
Time Based Awards | Associates | Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting Period in years | 5 years | [2]
Outside Director Awards | Outside directors |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting Period in years | 1 year | [4]
Shares awarded | 16,549 | [4]
Restrictions Lapsed and shares released to participants | 0 | [4]
Shares Forfeited by participants | 0 | [3],[4]
Shares Unvested | 16,549 | [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 may elect to sell some shares (or have Pinnacle Financial withhold some shares) to pay the applicable income taxes associated with the award. Alternatively, the recipient can pay the withholding taxes in cash. 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 performance-based vesting 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 or board membership is terminated during the year-to-date period ended March 31, 2019. 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 February 29, 2020 based on each individual board member meeting their 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 The number of restrictions lapsed and shares released to associates and directors 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 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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. + References No definition available. + Details
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