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Pay vs Performance Disclosure | 5 Months Ended | 7 Months Ended | 12 Months Ended
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May 17, 2022 | Dec. 31, 2022 | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Pay vs Performance Disclosure [Table] |  |  |  |  |
Pay vs Performance [Table Text Block] |  |  | ​
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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Compensation | ​ | ​ | Compensation | ​ | ​ | Investment Based On: | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Summary | ​ | ​ | Summary | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Table Total | ​ | ​ | Actually Paid | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Return | ​
​ | ​ | ​ | Compensation | ​ | ​ | Compensation | ​ | ​ | Compensation | ​ | ​ | Compensation | ​ | ​ | for Non-PEO | ​ | ​ | to Non-PEO | ​ | ​ | ​ | ​ | ​ | Peer Group | ​ | ​ | Net | ​ | on | ​
​ | ​ | ​ | Table Total | ​ | ​ | Table Total | ​ | ​ | Actually Paid | ​ | ​ | Actually Paid | ​ | ​ | Named | ​ | ​ | Named | ​ | ​ | Total | ​ | ​ | Total | ​ | ​ | Income/ | ​ | Invested | ​
​ | ​ | ​ | for first | ​ | ​ | for second | ​ | ​ | to first | ​ | ​ | to second | ​ | ​ | Executive | ​ | ​ | Executive | ​ | ​ | Shareholder | ​ | ​ | Shareholder | ​ | ​ | (Loss) | ​ | Capital | ​
Year |  | ​ | PEO (1) |  | ​ | PEO (1) |  | ​ | PEO (2)(4) |  | ​ | PEO (2)(4) |  | ​ | Officers (1) |  | ​ | Officers (3) |  | ​ | Return |  | ​ | Return (5) |  | ​ | (in thousands) |  | (ROIC) (6) | ​
2022 |  | $ | 2,138,360 |  | $ | 2,272,390 |  | $ | 3,327,790 |  | $ | 3,062,704 |  | $ | 819,670 |  | $ | 819,320 |  | $ | 167.00 |  | $ | 113.26 |  | $ | 218,363 |  | 20.3 | %
2021 |  | ​ | 1,371,410 |  | ​ | — |  | ​ | 1,913,830 |  | ​ | — |  | ​ | 733,150 |  | ​ | 1,164,372 |  | ​ | 86.64 |  | ​ | 70.04 |  | ​ | 7,217 |  | 6.1 | %
2020 |  | ​ | 1,275,559 |  | ​ | — |  | ​ | 696,697 |  | ​ | — |  | ​ | 818,133 |  | ​ | 875,186 |  | ​ | 60.11 |  | ​ | 58.01 |  | ​ | (212,192) |  | 0.2 | %
​
(1) | Amounts disclosed for the first Principal Executive Officer (PEO), second PEO and other Non-PEO Named Executive Officers relate to reported compensation as follows:
| > | Richard A. Hubbell – was the President and Chief Executive Officer through May 17, 2022 and for the years 2021 and 2020. He has been Executive Chairman of the Board Officer since May 17, 2022. His total compensation for 2022, 2021 and 2020 has been disclosed as amounts related to first PEO.
| > | Ben M. Palmer – has been the President and Chief Executive Officer effective May 17, 2022, and was Vice President, Chief Financial Officer and Corporate Secretary prior. For 2022, his total compensation has been disclosed as amounts related to second PEO. For 2021 and 2020, his compensation has been disclosed in amounts related to Non-PEO Named Executive Officers.
| > | Michael L. Schmit – has been Vice President, Chief Financial Officer and Corporate Secretary effective May 17, 2022 and his compensation has been included in amounts related to Non-PEO Named Executive Officers.
| > | Randall R. Rollins – was the Executive Chairman of the Board until his passing in August 2020; his compensation until his death has been included in the amounts related to Non-PEO Named Executive Officers for that year.
(2) | The dollar amounts reported represent the amount of Compensation Actually Paid (CAP), computed in accordance with SEC rules. The dollar amounts do not reflect the actual amount of compensation earned by or paid to our PEO during the applicable year. To calculate the amounts in the CAP to PEO column in the table above, the following amounts were deducted from or added to (as applicable) the Total compensation as reported in the Summary Compensation Table (SCT):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Reported |  | Reported |  | Reported |  | Reported |  | Equity |  | Equity |  | ​ | ​ | ​ |  | ​
​ | ​ | Summary | ​ | Summary | ​ | Value of | ​ | Value of | ​ | Award | ​ | Award | ​ | Pension | ​ | ​ | ​ | ​
​ | ​ | Compensation | ​ | Compensation | ​ | Equity | ​ | Equity | ​ | Adjustments | ​ | Adjustments | ​ | Adjustments | ​ | Compensation | ​ | Compensation
​ | ​ | Table Total for | ​ | Table Total for | ​ | Awards to | ​ | Awards to | ​ | to first | ​ | to second | ​ | to First | ​ | Actually Paid | ​ | Actually Paid
​ | ​ | first PEO (a) | ​ | second PEO (a) | ​ | first PEO (b) | ​ | second PEO (b) | ​ | PEO (c) | ​ | PEO (c) | ​ | PEO (d) | ​ | to first PEO | ​ | to second PEO
Year | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($)
2022 | ​ | 2,138,360 | ​ | 2,272,390 | ​ | (670,500) | ​ | (804,600) | ​ | 1,859,930 | ​ | 1,594,914 | ​ | — | ​ | 3,327,790 | ​ | 3,062,704
2021 | ​ | 1,371,410 | ​ | — | ​ | (387,000) | ​ | — | ​ | 929,420 | ​ | — | ​ | — | ​ | 1,913,830 | ​ | —
2020 | ​ | 1,275,559 | ​ | — | ​ | (459,000) | ​ | — | ​ | (112,540) | ​ | — | ​ | (7,322) | ​ | 696,697 | ​ | —
| (a) | The amounts disclosed represent the amounts reported as Total compensation in the SCT.
| (b) | Represents the grant dare fair value of the equity awards reported in the Stock Awards column of the SCT.
| (c) | Represents the year-over-year change in the fair value of equity awards, as shown below.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | 2022 - First PEO | ​ | 2022 - Second PEO |  | 2021 |  | 2020
Fair Value of | ($) | ​ | ($) | ​ | ($) | ​ | ($)
Equity awards granted in Current Fiscal Year (CFY) outstanding and unvested as of end of CFY | 666,750 | ​ | 800,100 |  | 454,000 |  | 315,000
Change in prior year awards outstanding and unvested as of end of CFY | 1,096,200 | ​ | 730,800 |  | 305,800 |  | (382,470)
Change in prior year awards that vested in current year | 83,900 | ​ | 53,694 |  | 169,620 |  | (45,070)
Dividends paid | 13,080 | ​ | 10,320 |  | — |  | —
Total Equity Award Adjustments | 1,859,930 | ​ | 1,594,914 |  | 929,420 |  | (112,540)
​
(3) | The dollar amounts reported represent the amount of CAP, computed in accordance with SEC rules. The dollar amounts do not reflect the actual amount of compensation earned by or paid to our Non-PEO Named Executive Officers during the applicable year. To calculate the amounts in the CAP to Non-PEO Named Executive Officers column in the table above, the following amounts were deducted from or added to (as applicable) the Total compensation as reported in the SCT:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Average |  | Reported |  | Equity |  | Average Summary
​ | ​ | Summary Compensation | ​ | Value of Average Equity | ​ | Award Adjustments to | ​ | Compensation Actually
​ | ​ | Table Total for Non- PEO | ​ | Awards to Non-PEO Named | ​ | Non-PEO Named | ​ | Paid to Non- PEO Named
​ | ​ | Named Executive Officers (a) | ​ | Executive Officers (b) | ​ | Executive Officers (c) | ​ | Executive Officers
Year | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($)
2022 |  | 819,670 |  | (312,900) |  | 312,550 |  | 819,320
2021 |  | 733,150 |  | (259,290) |  | 690,512 |  | 1,164,372
2020 |  | 818,133 |  | (383,265) |  | 440,318 |  | 875,186
| (a) | The amounts disclosed represent the average amounts attributable to each Named Executive Officer for the period he served and included in the amounts reported as Total compensation in the SCT.
| (b) | Represents the average grant date fair value of the equity awards reported in the Stock Awards column of the SCT.
| (c) | Represents the average year-over-year change in the fair value of equity awards, as shown below. For 2020, awards granted and vested in same CFY represents restricted shares granted to R. Randall Rollins that vested immediately upon his death pursuant to the terms of the restricted stock grants.
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
Fair Value of | ​ | ($) | ​ | ($) | ​ | ($)
Equity awards granted in Current Fiscal year (CFY) outstanding and unvested as of end of CFY |  | 311,150 |  | 304,180 |  | 263,025
Change in prior year awards outstanding and unvested as of end of CFY |  | — |  | 201,272 |  | (122,474)
Awards granted and vested in same CFY |  | — |  | — |  | 173,000
Change in prior year awards that vested in current year |  | — |  | 185,060 |  | 126,767
Dividends paid |  | 1,400 |  | — |  | —
Total Equity Award Adjustments |  | 312,550 | ​ | 690,512 | ​ | 440,318
​
(4) | The actuarial present value of $7,322 attributable to Richard A. Hubbell in 2020 has been reduced in computing his CAP for that year. The Company’s defined benefit pension plan was frozen in 2002 and therefore no adjustments need to be made in computing the CAP.
(5) | Reflects cumulative total shareholder return of the Philadelphia Oil Services Sector (OSX) index, as of December 31, 2022, calculated over the measurement period beginning as of December 31, 2019 established by the market close on that day through and including the end of 2022. The OSX is the peer group used by the Company for purposes of Item 201(e) of Regulation S-K under the Exchange Act in its Form 10-K for the year ended December 31, 2022.
(6) | ROIC is computed as the ratio of Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA) to invested capital, for the years 2022, 2021 and 2020. Invested capital is equal to the aggregate average of stockholders’ equity, accumulated depreciation and long-term liabilities during each of the applicable years.
Company Selected Measure Name |  |  | ROIC |  |
Named Executive Officers, Footnote [Text Block] |  |  |
(1) | Amounts disclosed for the first Principal Executive Officer (PEO), second PEO and other Non-PEO Named Executive Officers relate to reported compensation as follows:
| > | Richard A. Hubbell – was the President and Chief Executive Officer through May 17, 2022 and for the years 2021 and 2020. He has been Executive Chairman of the Board Officer since May 17, 2022. His total compensation for 2022, 2021 and 2020 has been disclosed as amounts related to first PEO.
| > | Ben M. Palmer – has been the President and Chief Executive Officer effective May 17, 2022, and was Vice President, Chief Financial Officer and Corporate Secretary prior. For 2022, his total compensation has been disclosed as amounts related to second PEO. For 2021 and 2020, his compensation has been disclosed in amounts related to Non-PEO Named Executive Officers.
| > | Michael L. Schmit – has been Vice President, Chief Financial Officer and Corporate Secretary effective May 17, 2022 and his compensation has been included in amounts related to Non-PEO Named Executive Officers.
| > | Randall R. Rollins – was the Executive Chairman of the Board until his passing in August 2020; his compensation until his death has been included in the amounts related to Non-PEO Named Executive Officers for that year.
Peer Group Issuers, Footnote [Text Block] |  |  |
(5) | Reflects cumulative total shareholder return of the Philadelphia Oil Services Sector (OSX) index, as of December 31, 2022, calculated over the measurement period beginning as of December 31, 2019 established by the market close on that day through and including the end of 2022. The OSX is the peer group used by the Company for purposes of Item 201(e) of Regulation S-K under the Exchange Act in its Form 10-K for the year ended December 31, 2022.
Adjustment To PEO Compensation, Footnote [Text Block] |  |  |
(2) | The dollar amounts reported represent the amount of Compensation Actually Paid (CAP), computed in accordance with SEC rules. The dollar amounts do not reflect the actual amount of compensation earned by or paid to our PEO during the applicable year. To calculate the amounts in the CAP to PEO column in the table above, the following amounts were deducted from or added to (as applicable) the Total compensation as reported in the Summary Compensation Table (SCT):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Reported |  | Reported |  | Reported |  | Reported |  | Equity |  | Equity |  | ​ | ​ | ​ |  | ​
​ | ​ | Summary | ​ | Summary | ​ | Value of | ​ | Value of | ​ | Award | ​ | Award | ​ | Pension | ​ | ​ | ​ | ​
​ | ​ | Compensation | ​ | Compensation | ​ | Equity | ​ | Equity | ​ | Adjustments | ​ | Adjustments | ​ | Adjustments | ​ | Compensation | ​ | Compensation
​ | ​ | Table Total for | ​ | Table Total for | ​ | Awards to | ​ | Awards to | ​ | to first | ​ | to second | ​ | to First | ​ | Actually Paid | ​ | Actually Paid
​ | ​ | first PEO (a) | ​ | second PEO (a) | ​ | first PEO (b) | ​ | second PEO (b) | ​ | PEO (c) | ​ | PEO (c) | ​ | PEO (d) | ​ | to first PEO | ​ | to second PEO
Year | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($)
2022 | ​ | 2,138,360 | ​ | 2,272,390 | ​ | (670,500) | ​ | (804,600) | ​ | 1,859,930 | ​ | 1,594,914 | ​ | — | ​ | 3,327,790 | ​ | 3,062,704
2021 | ​ | 1,371,410 | ​ | — | ​ | (387,000) | ​ | — | ​ | 929,420 | ​ | — | ​ | — | ​ | 1,913,830 | ​ | —
2020 | ​ | 1,275,559 | ​ | — | ​ | (459,000) | ​ | — | ​ | (112,540) | ​ | — | ​ | (7,322) | ​ | 696,697 | ​ | —
| (a) | The amounts disclosed represent the amounts reported as Total compensation in the SCT.
| (b) | Represents the grant dare fair value of the equity awards reported in the Stock Awards column of the SCT.
| (c) | Represents the year-over-year change in the fair value of equity awards, as shown below.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | 2022 - First PEO | ​ | 2022 - Second PEO |  | 2021 |  | 2020
Fair Value of | ($) | ​ | ($) | ​ | ($) | ​ | ($)
Equity awards granted in Current Fiscal Year (CFY) outstanding and unvested as of end of CFY | 666,750 | ​ | 800,100 |  | 454,000 |  | 315,000
Change in prior year awards outstanding and unvested as of end of CFY | 1,096,200 | ​ | 730,800 |  | 305,800 |  | (382,470)
Change in prior year awards that vested in current year | 83,900 | ​ | 53,694 |  | 169,620 |  | (45,070)
Dividends paid | 13,080 | ​ | 10,320 |  | — |  | —
Total Equity Award Adjustments | 1,859,930 | ​ | 1,594,914 |  | 929,420 |  | (112,540)
The actuarial present value of $7,322 attributable to Richard A. Hubbell in 2020 has been reduced in computing his CAP for that year. The Company’s defined benefit pension plan was frozen in 2002 and therefore no adjustments need to be made in computing the CAP. |  |
Non-PEO NEO Average Total Compensation Amount |  |  | $ 819,670 | $ 733,150 | $ 818,133
Non-PEO NEO Average Compensation Actually Paid Amount |  |  | $ 819,320 | 1,164,372 | 875,186
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] |  |  |
(3) | The dollar amounts reported represent the amount of CAP, computed in accordance with SEC rules. The dollar amounts do not reflect the actual amount of compensation earned by or paid to our Non-PEO Named Executive Officers during the applicable year. To calculate the amounts in the CAP to Non-PEO Named Executive Officers column in the table above, the following amounts were deducted from or added to (as applicable) the Total compensation as reported in the SCT:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Average |  | Reported |  | Equity |  | Average Summary
​ | ​ | Summary Compensation | ​ | Value of Average Equity | ​ | Award Adjustments to | ​ | Compensation Actually
​ | ​ | Table Total for Non- PEO | ​ | Awards to Non-PEO Named | ​ | Non-PEO Named | ​ | Paid to Non- PEO Named
​ | ​ | Named Executive Officers (a) | ​ | Executive Officers (b) | ​ | Executive Officers (c) | ​ | Executive Officers
Year | ​ | ($) | ​ | ($) | ​ | ($) | ​ | ($)
2022 |  | 819,670 |  | (312,900) |  | 312,550 |  | 819,320
2021 |  | 733,150 |  | (259,290) |  | 690,512 |  | 1,164,372
2020 |  | 818,133 |  | (383,265) |  | 440,318 |  | 875,186
| (a) | The amounts disclosed represent the average amounts attributable to each Named Executive Officer for the period he served and included in the amounts reported as Total compensation in the SCT.
| (b) | Represents the average grant date fair value of the equity awards reported in the Stock Awards column of the SCT.
| (c) | Represents the average year-over-year change in the fair value of equity awards, as shown below. For 2020, awards granted and vested in same CFY represents restricted shares granted to R. Randall Rollins that vested immediately upon his death pursuant to the terms of the restricted stock grants.
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
Fair Value of | ​ | ($) | ​ | ($) | ​ | ($)
Equity awards granted in Current Fiscal year (CFY) outstanding and unvested as of end of CFY |  | 311,150 |  | 304,180 |  | 263,025
Change in prior year awards outstanding and unvested as of end of CFY |  | — |  | 201,272 |  | (122,474)
Awards granted and vested in same CFY |  | — |  | — |  | 173,000
Change in prior year awards that vested in current year |  | — |  | 185,060 |  | 126,767
Dividends paid |  | 1,400 |  | — |  | —
Total Equity Award Adjustments |  | 312,550 | ​ | 690,512 | ​ | 440,318
Compensation Actually Paid vs. Total Shareholder Return [Text Block] |  |  | The following graphs reflect the CAP paid to our PEOs and other Non-PEO Named Executive Officers over the three-year period ended December 31, 2022 and show the Company’s TSR, net income and ROIC results over the same period. |  |
Compensation Actually Paid vs. Net Income [Text Block] |  |  | ​ |  |
Compensation Actually Paid vs. Company Selected Measure [Text Block] |  |  |  |  |
Tabular List [Table Text Block] |  |  |
> | Earnings Per Share;
> | EBITDA; and
> | Free Cash Flow – calculated as net cash provided by operating activities less capital expenditures.
Total Shareholder Return Amount |  |  | $ 167.00 | 86.64 | 60.11
Peer Group Total Shareholder Return Amount |  |  | 113.26 | 70.04 | 58.01
Net Income (Loss) |  |  | $ 218,363,000 | $ 7,217,000 | $ (212,192,000)
Company Selected Measure Amount |  |  | 20.3 | 6.1 | 0.2
PEO Name | Richard A. Hubbell | Ben M. Palmer |  |  |
Measure [Axis]: 1 |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Measure Name |  |  | Earnings Per Share |  |
Non-GAAP Measure Description [Text Block] |  |  |
(6) | ROIC is computed as the ratio of Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA) to invested capital, for the years 2022, 2021 and 2020. Invested capital is equal to the aggregate average of stockholders’ equity, accumulated depreciation and long-term liabilities during each of the applicable years.
Measure [Axis]: 2 |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Measure Name |  |  | EBITDA |  |
Measure [Axis]: 3 |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Measure Name |  |  | Free Cash Flow – calculated as net cash provided by operating activities less capital expenditures |  |
Hubbell |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
PEO Total Compensation Amount |  |  | $ 2,138,360 | $ 1,371,410 | $ 1,275,559
PEO Actually Paid Compensation Amount |  |  | 3,327,790 | 1,913,830 | 696,697
Hubbell | Reported Value of Equity Awards |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | (670,500) | (387,000) | (459,000)
Hubbell | Equity Award Adjustments |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 1,859,930 | 929,420 | (112,540)
Hubbell | Pension Adjustments |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | (7,322) |  | (7,322)
Hubbell | Equity awards granted in Current Fiscal Year (CFY) outstanding and unvested as of end of CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 666,750 |  |
Hubbell | Change in prior year awards outstanding and unvested as of end of CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 1,096,200 |  |
Hubbell | Change in prior year awards that vested in current year |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 83,900 |  |
Hubbell | Dividends paid |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 13,080 |  |
Palmer |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
PEO Total Compensation Amount |  |  | 2,272,390 |  |
PEO Actually Paid Compensation Amount |  |  | 3,062,704 |  |
Palmer | Reported Value of Equity Awards |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | (804,600) |  |
Palmer | Equity Award Adjustments |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 1,594,914 |  |
Palmer | Equity awards granted in Current Fiscal Year (CFY) outstanding and unvested as of end of CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 800,100 |  |
Palmer | Change in prior year awards outstanding and unvested as of end of CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 730,800 |  |
Palmer | Change in prior year awards that vested in current year |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 53,694 |  |
Palmer | Dividends paid |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 10,320 |  |
PEO [Member] | Equity Award Adjustments |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  |  | 929,420 | (112,540)
PEO [Member] | Equity awards granted in Current Fiscal Year (CFY) outstanding and unvested as of end of CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  |  | 454,000 | 315,000
PEO [Member] | Change in prior year awards outstanding and unvested as of end of CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  |  | 305,800 | (382,470)
PEO [Member] | Change in prior year awards that vested in current year |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  |  | 169,620 | (45,070)
Non-PEO NEO [Member] | Reported Value of Equity Awards |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | (312,900) | (259,290) | (383,265)
Non-PEO NEO [Member] | Equity Award Adjustments |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 312,550 | 690,512 | 440,318
Non-PEO NEO [Member] | Equity awards granted in Current Fiscal Year (CFY) outstanding and unvested as of end of CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | 311,150 | 304,180 | 263,025
Non-PEO NEO [Member] | Change in prior year awards outstanding and unvested as of end of CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  |  | 201,272 | (122,474)
Non-PEO NEO [Member] | Awards granted and vested in same CFY |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  |  |  | 173,000
Non-PEO NEO [Member] | Change in prior year awards that vested in current year |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  |  | $ 185,060 | $ 126,767
Non-PEO NEO [Member] | Dividends paid |  |  |  |  |
Pay vs Performance Disclosure [Table] |  |  |  |  |
Adjustment to Compensation Amount |  |  | $ 1,400 |  |

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- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
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