XML 88 R74.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Stock Options, Stock Appreciation Rights, Restricted Shares and Salary Stock Units (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 31, 2015 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  |  |  | 1,700,000
Vesting period |  |  | 5 years |  |  |  |
Exercisable period |  |  | 10 years |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Outstanding, Beginning Balance (in shares) |  |  | 274,586 | 550,490 |  | 1,251,601 |
Granted (in shares) |  |  | 0 | 0 |  | 0 |
Exercised (in shares) |  |  | (97,877) | (275,904) | [1] | (698,673) |
Forfeited (in shares) |  |  | 0 | 0 |  | (3) |
Outstanding, Ending Balance (in shares) |  |  | 176,709 | 274,586 |  | 550,490 |
Options exercisable (in shares) |  |  |  |  |  |  | 176,709
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] |  |  |  |  |  |  |
Outstanding, Beginning Balance (in dollars per share) |  |  | $ 21.40 | $ 20.75 |  | $ 21.23 |
Granted (in dollars per share) |  |  | 0.00 | 0.00 |  | 0.00 |
Exercised (in dollars per share) |  |  | 18.91 | 20.09 | [1] | 21.63 |
Forfeited (in dollars per share) |  |  | 0.00 | 0.00 |  | 29.50 |
Outstanding, Ending Balance (in dollars per share) |  |  | $ 22.77 | $ 21.40 |  | $ 20.75 |
Options exercisable (in dollars per share) |  |  |  |  |  |  | $ 22.77
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |
Outstanding |  |  | 2 years 2 months 23 days |  |  |  |
Options exercisable |  |  | 2 years 2 months 23 days |  |  |  |
Aggregate intrinsic value [Abstract] |  |  |  |  |  |  |
Outstanding | [2] |  |  |  |  |  | $ 4,123,000
Options exercisable | [2] |  |  |  |  |  | $ 4,123,000
Quoted closing price of common stock (in dollars per share) |  |  |  |  |  |  | $ 46.10
Number Of Shares Settled During Period Stock Appreciation Rights Exercised |  |  |  |  |  | 1,137 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value |  |  | $ 2,700,000 | $ 12,700,000 |  | $ 21,700,000 |
Share-based Compensation [Abstract] |  |  |  |  |  |  |
Restricted stock expense |  |  | 17,636,000 | 19,538,000 |  | 10,971,000 |
Income tax benefit |  |  | 4,610,000 | 7,665,000 |  | 4,306,000 |
Restricted stock expense, net of income tax benefit |  |  | $ 13,026,000 | $ 11,873,000 |  | $ 6,665,000 |
Unrecognized restricted share expense |  |  |  |  |  |  | $ 32,900,000
Weighted average period over which unrecognized restricted share expense will be recognized |  |  | 1 year 9 months 7 days |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Unvested, beginning of period (in shares) |  |  | 936,135 | 820,539 |  | 866,314 |
Shares awards |  |  | 180,450 | 261,942 |  | 177,664 |
Conversion of previously awarded restricted share units to restricted share awards |  |  | 6,200 | 43,680 |  | 43,694 |
Restrictions lapsed and shares released to associates/directors (in shares) |  |  | (400,820) | (292,896) |  | (245,873) |
Shares forfeited (in shares) |  |  | (29,159) | (34,020) |  | (21,260) |
Unvested, end of period (in shares) |  |  | 692,806 | 936,135 |  | 820,539 |
Grant date weighted average cost [Roll Forward] |  |  |  |  |  |  |
Unvested, beginning of period (in dollars per share) |  |  | $ 50.08 | $ 36.47 |  | $ 31.39 |
Shares awarded (in dollars per share) |  |  | 62.40 | 67.14 |  | 48.61 |
Conversion of restricted share units to restricted share awards (in dollars per share) |  |  | 67.85 | 69.40 |  | 46.37 |
Restrictions lapsed and shares released to associates/directors (in dollars per share) |  |  | 46.33 | 37.59 |  | 28.39 |
Shares forfeited (in dollars per share) |  |  | 59.51 | 54.71 |  | 39.88 |
Unvested, end of period (in dollars per share) |  |  | $ 55.19 | $ 50.08 |  | $ 36.47 |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years | [3] |  |  |  |  | 5 years |
Shares awards |  |  | 180,450 | 261,942 |  | 177,664 |
Shares forfeited (in shares) |  |  | (29,159) | (34,020) |  | (21,260) |
Shares Unvested (in shares) |  |  | 936,135 | 820,539 |  | 866,314 | 692,806
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 180,450 | 261,942 |  | 177,664 |
Service period per tranche (in years) |  |  | 5 years |  |  |  |
Stock-based compensation expense |  |  | $ 17,636,000 | $ 19,538,000 |  | $ 10,971,000 |
Employee Stock Option |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Outstanding, Ending Balance (in shares) |  |  | 176,709 |  |  |  |
Stock Swap |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Exercised (in shares) |  |  |  | (750) |  |  |
Aggregate intrinsic value [Abstract] |  |  |  |  |  |  |
Number of shares settled during period Stock Swap |  |  |  | 277 |  |  |
Stock Appreciation Rights |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Exercised (in shares) | [4] |  |  |  |  | (2,435) |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] |  |  |  |  |  |  |
Exercised (in dollars per share) | [4] |  |  |  |  | $ 15.60 |
Time Based Awards 2016 |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [3] |  |  |  |  | 143,273 |
Shares forfeited (in shares) | [3],[5] |  | (17,942) |  |  |  |
Unvested, end of period (in shares) | [3] |  | 73,508 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [3] |  |  |  |  | 143,273 |
Restrictions lapsed and shares released to participants (in shares) | [3] |  | 37,574 |  |  |  |
Shares withheld for taxes by participants (in shares) | [3] |  | 14,249 |  |  |  |
Shares forfeited (in shares) | [3],[5] |  | (17,942) |  |  |  |
Shares Unvested (in shares) | [3] |  | 73,508 |  |  |  | 73,508
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [3] |  |  |  |  | 143,273 |
Time Based Awards 2017 |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [3] |  |  | 248,265 |  |  |
Shares forfeited (in shares) | [3],[5] |  | (27,647) |  |  |  |
Unvested, end of period (in shares) | [3] |  | 165,316 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [3] |  |  | 248,265 |  |  |
Restrictions lapsed and shares released to participants (in shares) | [3] |  | 42,615 |  |  |  |
Shares withheld for taxes by participants (in shares) | [3] |  | 12,687 |  |  |  |
Shares forfeited (in shares) | [3],[5] |  | (27,647) |  |  |  |
Shares Unvested (in shares) | [3] |  | 165,316 |  |  |  | 165,316
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [3] |  |  | 248,265 |  |  |
Time Based Awards 2017 | BNC Bancorp |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [3],[6] |  |  | 136,890 |  |  |
Shares forfeited (in shares) | [3],[5],[6] |  | (1,292) |  |  |  |
Unvested, end of period (in shares) | [3],[6] |  | 48,122 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [3],[6] |  |  | 136,890 |  |  |
Restrictions lapsed and shares released to participants (in shares) | [3],[6] |  | 85,061 |  |  |  |
Shares withheld for taxes by participants (in shares) | [3],[6] |  | 2,415 |  |  |  |
Shares forfeited (in shares) | [3],[5],[6] |  | (1,292) |  |  |  |
Shares Unvested (in shares) | [3],[6] |  | 48,122 |  |  |  | 48,122
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [3],[6] |  |  | 136,890 |  |  |
Time Based Awards 2017 | Associates | Minimum |  |  |  |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  |  | 3 years |  |  |
Time Based Awards 2017 | Associates | Minimum | BNC Bancorp |  |  |  |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  |  | 3 years |  |  |
Time Based Awards 2017 | Associates | Maximum |  |  |  |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  |  | 5 years |  |  |
Time Based Awards 2017 | Associates | Maximum | BNC Bancorp |  |  |  |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  |  | 5 years |  |  |
Time Based Awards 2018 |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [3] |  | 147,601 |  |  |  |
Shares forfeited (in shares) | [3],[5] |  | (4,927) |  |  |  |
Unvested, end of period (in shares) | [3] |  | 142,361 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [3] |  | 147,601 |  |  |  |
Restrictions lapsed and shares released to participants (in shares) | [3] |  | 224 |  |  |  |
Shares withheld for taxes by participants (in shares) | [3] |  | 89 |  |  |  |
Shares forfeited (in shares) | [3],[5] |  | (4,927) |  |  |  |
Shares Unvested (in shares) | [3] |  | 142,361 |  |  |  | 142,361
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [3] |  | 147,601 |  |  |  |
Time Based Awards 2018 | BNC Bancorp |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [3],[6] |  | 16,777 |  |  |  |
Shares forfeited (in shares) | [3],[5],[6] |  | (500) |  |  |  |
Unvested, end of period (in shares) | [3],[6] |  | 16,277 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [3],[6] |  | 16,777 |  |  |  |
Restrictions lapsed and shares released to participants (in shares) | [3],[6] |  | 0 |  |  |  |
Shares withheld for taxes by participants (in shares) | [3],[6] |  | 0 |  |  |  |
Shares forfeited (in shares) | [3],[5],[6] |  | (500) |  |  |  |
Shares Unvested (in shares) | [3],[6] |  | 16,277 |  |  |  | 16,277
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [3],[6] |  | 16,777 |  |  |  |
Time Based Awards 2018 | Associates | Minimum |  |  |  |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  | 3 years |  |  |  |
Time Based Awards 2018 | Associates | Minimum | BNC Bancorp |  |  |  |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  | 3 years |  |  |  |
Time Based Awards 2018 | Associates | Maximum |  |  |  |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  | 5 years |  |  |  |
Time Based Awards 2018 | Associates | Maximum | BNC Bancorp |  |  |  |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  | 5 years |  |  |  |
Performance Based Awards 2016 | Leadership Team |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [7] |  |  |  |  | 43,694 |
Shares forfeited (in shares) | [5],[7] |  | 0 |  |  |  |
Unvested, end of period (in shares) | [7] |  | 21,379 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years | [7] |  |  |  |  | 3 years |
Shares awards | [7] |  |  |  |  | 43,694 |
Restrictions lapsed and shares released to participants (in shares) | [7] |  | 14,991 |  |  |  |
Shares withheld for taxes by participants (in shares) | [7] |  | 7,324 |  |  |  |
Shares forfeited (in shares) | [5],[7] |  | 0 |  |  |  |
Shares Unvested (in shares) | [7] |  | 21,379 |  |  |  | 21,379
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [7] |  |  |  |  | 43,694 |
Performance Based Awards 2016 | Leadership Team | Avenue Financial Holdings, Inc. |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [8] |  |  |  |  | 15,468 |
Shares forfeited (in shares) | [5],[8] |  | 0 |  |  |  |
Unvested, end of period (in shares) | [8] |  | 10,314 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years | [8] |  |  |  |  | 3 years |
Shares awards | [8] |  |  |  |  | 15,468 |
Restrictions lapsed and shares released to participants (in shares) | [8] |  | 3,904 |  |  |  |
Shares withheld for taxes by participants (in shares) | [8] |  | 1,250 |  |  |  |
Shares forfeited (in shares) | [5],[8] |  | 0 |  |  |  |
Shares Unvested (in shares) | [8] |  | 10,314 |  |  |  | 10,314
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [8] |  |  |  |  | 15,468 |
Performance Based Awards 2017 | Leadership Team |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [7] |  |  | 43,680 |  |  |
Shares forfeited (in shares) | [5],[7] |  | 0 |  |  |  |
Unvested, end of period (in shares) | [7] |  | 21,367 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years | [7] |  |  | 3 years |  |  |
Shares awards | [7] |  |  | 43,680 |  |  |
Restrictions lapsed and shares released to participants (in shares) | [7] |  | 14,649 |  |  |  |
Shares withheld for taxes by participants (in shares) | [7] |  | 7,664 |  |  |  |
Shares forfeited (in shares) | [5],[7] |  | 0 |  |  |  |
Shares Unvested (in shares) | [7] |  | 21,367 |  |  |  | 21,367
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [7] |  |  | 43,680 |  |  |
Performance Based Awards 2018 | Leadership Team |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [7] |  | 6,200 |  |  |  |
Shares forfeited (in shares) | [5],[7] |  | 0 |  |  |  |
Unvested, end of period (in shares) | [7] |  | 0 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years | [7] |  | 3 years |  |  |  |
Shares awards | [7] |  | 6,200 |  |  |  |
Restrictions lapsed and shares released to participants (in shares) | [7] |  | 4,340 |  |  |  |
Shares withheld for taxes by participants (in shares) | [7] |  | 1,860 |  |  |  |
Shares forfeited (in shares) | [5],[7] |  | 0 |  |  |  |
Shares Unvested (in shares) | [7] |  | 0 |  |  |  | 0
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [7] |  | 6,200 |  |  |  |
Outside Director Awards 2016 |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards |  |  |  |  |  | 18,923 |
Shares forfeited (in shares) | [5] |  | (1,186) |  |  |  |
Unvested, end of period (in shares) |  |  | 0 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  |  |  |  | 1 year |
Shares awards |  |  |  |  |  | 18,923 |
Restrictions lapsed and shares released to participants (in shares) |  |  | 15,471 |  |  |  |
Shares withheld for taxes by participants (in shares) |  |  | 2,266 |  |  |  |
Shares forfeited (in shares) | [5] |  | (1,186) |  |  |  |
Shares Unvested (in shares) |  |  | 0 |  |  |  | 0
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards |  |  |  |  |  | 18,923 |
Outside Director Awards 2017 |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards |  |  |  | 13,677 |  |  |
Shares forfeited (in shares) | [5] |  | 0 |  |  |  |
Unvested, end of period (in shares) |  |  | 0 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  |  | 1 year |  |  |
Shares awards |  |  |  | 13,677 |  |  |
Restrictions lapsed and shares released to participants (in shares) |  |  | 12,139 |  |  |  |
Shares withheld for taxes by participants (in shares) |  |  | 1,538 |  |  |  |
Shares forfeited (in shares) | [5] |  | 0 |  |  |  |
Shares Unvested (in shares) |  |  | 0 |  |  |  | 0
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards |  |  |  | 13,677 |  |  |
Outside Director Awards 2018 |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards |  |  | 16,072 |  |  |  |
Shares forfeited (in shares) | [5] |  | 0 |  |  |  |
Unvested, end of period (in shares) |  |  | 14,924 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Vesting Period in years |  |  | 1 year |  |  |  |
Shares awards |  |  | 16,072 |  |  |  |
Restrictions lapsed and shares released to participants (in shares) |  |  | 1,148 |  |  |  |
Shares withheld for taxes by participants (in shares) |  |  | 0 |  |  |  |
Shares forfeited (in shares) | [5] |  | 0 |  |  |  |
Shares Unvested (in shares) |  |  | 14,924 |  |  |  | 14,924
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 16,072 |  |  |  |
2015 Restricted Share Units | Senior Executive Officers | Minimum |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [9] |  | 58,200 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 58,200 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 58,200 |  |  |  |
2015 Restricted Share Units | Senior Executive Officers | Maximum |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [9] |  | 101,850 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 101,850 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 101,850 |  |  |  |
2015 Restricted Share Units | Leadership Team |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards |  |  | 28,378 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 28,378 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 28,378 |  |  |  |
2016 Restricted Share Units | Senior Executive Officers | Minimum |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [9] |  | 73,474 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 73,474 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 73,474 |  |  |  |
2016 Restricted Share Units | Senior Executive Officers | Maximum |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [9] |  | 110,223 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 110,223 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 110,223 |  |  |  |
2016 Restricted Share Units | Leadership Team |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards |  |  | 26,683 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 26,683 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 26,683 |  |  |  |
2017 Restricted Share Unit | Senior Executive Officers | Minimum |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [9] |  | 72,537 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 72,537 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 72,537 |  |  |  |
2017 Restricted Share Unit | Senior Executive Officers | Maximum |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [9] |  | 109,339 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 109,339 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 109,339 |  |  |  |
2017 Restricted Share Unit | Leadership Team |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards |  |  | 24,916 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 24,916 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 24,916 |  |  |  |
2018 Restricted Share Unit | Senior Executive Officers | Minimum |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [9] |  | 96,878 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 96,878 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 96,878 |  |  |  |
2018 Restricted Share Unit | Senior Executive Officers | Maximum |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards | [9] |  | 145,339 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 145,339 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards | [9] |  | 145,339 |  |  |  |
2018 Restricted Share Unit | Leadership Team |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Shares awards |  |  | 25,990 |  |  |  |
Restricted stock grants grouped by similar vesting criteria [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 25,990 |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Shares awards |  |  | 25,990 |  |  |  |
Incentive stock option |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Options exercisable (in shares) |  |  |  |  |  |  | 106,173
Non qualified stock options |  |  |  |  |  |  |
Number [Roll Forward] |  |  |  |  |  |  |
Options exercisable (in shares) |  |  |  |  |  |  | 70,536
Tranche 2015 | 2015 Restricted Share Units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 3 years |  |  |  |
Tranche 2016 | 2015 Restricted Share Units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 2 years |  |  |  |
Tranche 2016 | 2016 Restricted Share Units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 3 years |  |  |  |
Tranche 2017 | 2015 Restricted Share Units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 1 year |  |  |  |
Tranche 2017 | 2016 Restricted Share Units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 2 years |  |  |  |
Tranche 2017 | 2017 Restricted Share Unit |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 3 years |  |  |  |
Tranche 2018 | 2016 Restricted Share Units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 1 year |  |  |  |
Tranche 2018 | 2017 Restricted Share Unit |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 2 years |  |  |  |
Tranche 2018 | 2018 Restricted Share Unit |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 3 years |  |  |  |
Tranche 2019 | 2017 Restricted Share Unit |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 1 year |  |  |  |
Tranche 2019 | 2018 Restricted Share Unit |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 2 years |  |  |  |
Tranche 2020 | 2018 Restricted Share Unit |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |  |  |
Service period per tranche (in years) |  |  | 2 years |  |  |  |
Subsequent holding period per tranche (in years) |  |  | 1 year |  |  |  |
Equity Incentive Plan 2014 |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  |  |  | 500,000
BNC Bancorp 2013 Omnibus Stock Incentive Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  |  |  | 9,000
Number [Roll Forward] |  |  |  |  |  |  |
Shares assumed in connection with acquisition of BNC |  |  |  | 136,890 |  |  |
Grant date weighted average cost [Roll Forward] |  |  |  |  |  |  |
Shares awarded (in dollars per share) |  |  |  | $ 67.25 |  |  |
CapitalMark Plan |  |  |  |  |  |  |
Aggregate intrinsic value [Abstract] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Acquisitions in Period |  | 858,000 |  |  |  |  |
[1] | Includes 750 stock options which were exercised in a stock swap transaction which settled in 277 shares of Pinnacle Financial common stock.
[2] | The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying awards and the quoted price of Pinnacle Financial Common Stock of $46.10 per common share at December 31, 2018 for the 176,709 options that were in-the-money at December 31, 2018.
[3] | The forfeiture restrictions on these restricted share awards lapse in equal annual installments on the anniversary date of the grant.
[4] | The 2,435 stock appreciation rights exercised during 2016 settled in 1,137 shares of Pinnacle Financial Common Stock.
[5] | These shares represent forfeitures resulting from recipients whose employment or board membership is terminated during each of the years in the three-year period ended December 31, 2018 or for which the performance criteria applicable to the award are not achieved. 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.
[6] | Restricted share awards issued to associates that were former associates of BNC and to Pinnacle Financial's Chairman of the Carolina's and Virginia pursuant to legacy BNC incentive plans assumed by Pinnacle Financial.
[7] | Reflects conversion of restricted share units issued in prior years to restricted share awards. The forfeiture restrictions on these restricted share awards lapse should Pinnacle Financial achieve certain soundness targets at the end of the fifth year following the grant date. See further details of these awards under the caption "Restricted Share Units" below.
[8] | These shares were awarded to individuals joining the leadership team upon acquisition of Avenue. The forfeiture restrictions on these restricted share awards lapse in separate equal installments should Pinnacle Financial achieve certain earnings targets over each year of the vesting period and should the recipient thereafter remain employed by Pinnacle Financial for a subsequent vesting period.
[9] | The named executive officers are awarded a range of awards that may be earned based on attainment of goals at a target level of performance to the maximum level of performance.

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

X
- Definition Number of share settled for exercise of stock appreciation rights during the current period. + References No definition available. + Details
Name: | pnfp_NumberOfSharesSettledDuringPeriodStockAppreciationRightsExercised
Namespace Prefix: | pnfp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares settled during period due to a stock swap transaction. + References No definition available. + Details
Name: | pnfp_NumberofsharessettledduringperiodStockSwap
Namespace Prefix: | pnfp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to quoted closing price of common stock. + References No definition available. + Details
Name: | pnfp_QuotedClosingPriceOfCommonStock
Namespace Prefix: | pnfp_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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

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

X
- Definition The exercisable period of stock based awards. + References No definition available. + Details
Name: | pnfp_Share-BasedCompensationArrangementByShare-BasedPaymentAwardExercisablePeriod
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | pnfp_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingVestingPeriod
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of restrictions lapsed and shares released to associates, leadership team 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
Name: | pnfp_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictionsLapsedAndSharesReleasedToAssociatesLeadershipTeamAndDirectors
Namespace Prefix: | pnfp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares withheld for taxes by associates, leadership team and directors made during the period on other than stock (or unit) option plans. + References No definition available. + Details
Name: | pnfp_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesWithheldForTaxesByAssociatesLeadershipTeamAndDirectors
Namespace Prefix: | pnfp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period which an employee's right to hold an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | pnfp_ShareBasedCompensationArrangementByShareBasedPaymentAwardHoldingPeriod
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Acquisitions in Period + References No definition available. + Details
Name: | pnfp_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAcquisitionsinPeriod
Namespace Prefix: | pnfp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References No definition available. + Details
Name: | pnfp_StockIssuedDuringPeriodSharesConversionOfUnitsInDollarsPerShare
Namespace Prefix: | pnfp_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References No definition available. + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unrecognized cost of unvested share-based compensation awards. + 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 (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the 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 (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of options issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
Name: | us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationOptionsIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + 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)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + 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)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
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 No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option 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)(1)(iii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option 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)(1)(iii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option 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)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of options outstanding, including both vested and non-vested options. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option 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)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options (or share units) exercised during the current 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)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_StockSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_StockAppreciationRightsSARSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_TimeBasedAwards2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_TimeBasedAwards2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=pnfp_BNCBancorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_TimeBasedAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=pnfp_AssociatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_TimeBasedAwards2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_PerformanceBasedAwards2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=pnfp_LeadershipTeamMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=pnfp_AvenueFinancialHoldingsIncAvenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_PerformanceBasedAwards2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_PerformanceBasedAwards2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_OutsideDirectorAwards2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_OutsideDirectorAwards2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_OutsideDirectorAwards2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=pnfp_SeniorExecutiveOfficersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_Two016RestrictedShareUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_Two017RestrictedShareUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_A2018RestrictedShareUnitMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_IncentivestockoptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pnfp_NonqualifiedstockoptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=pnfp_ShareBasedCompensationAwardTrancheFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=pnfp_ShareBasedCompensationAwardTrancheFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=pnfp_ShareBasedCompensationAwardTrancheSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=pnfp_ShareBasedCompensationAwardTrancheSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=pnfp_EquityIncentivePlan2014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=pnfp_BNCBancorp2013OmnibusStockIncentivePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=pnfp_CapitalMarkPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |