| Form N-CSR Cover | 6 Months Ended |
| Jun. 28, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | EMPOWER FUNDS, INC. |
| Entity Central Index Key | 0000356476 |
| Document Period End Date | Jun. 28, 2024 |
| Shareholder Report | 6 Months Ended | |
| Jun. 28, 2024 USD ($) Holding | ||
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | EMPOWER FUNDS, INC. | |
| Entity Central Index Key | 0000356476 | |
| Document Period End Date | Jun. 28, 2024 | |
| C000095789 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Moderate Profile Fund | |
| Class Name | Class L | |
| Trading Symbol | MXGPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Moderate Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Moderate Profile Fund $ 1.17 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.53%). | |
| Expenses Paid, Amount | $ 117 | |
| Expense Ratio, Percent | 1.17% | [1] |
| Net Assets | $ 1,691,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 800,000 | |
| Investment Company Portfolio Turnover | 7% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 16.00 % Empower Large Cap Value Fund Institutional Class 14.02 % Empower International Value Fund Institutional Class 10.55 % Empower Mid Cap Value Fund Institutional Class 7.66 % Empower Large Cap Growth Fund Institutional Class 5.60 % Empower Small Cap Value Fund Institutional Class 4.98 % Empower Multi-Sector Bond Fund Institutional Class 4.84 % Empower Global Bond Fund Institutional Class 4.79 % Empower International Growth Fund Institutional Class 4.23 % Empower Real Estate Index Fund Institutional Class 4.04 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 16.00 % Empower Large Cap Value Fund Institutional Class 14.02 % Empower International Value Fund Institutional Class 10.55 % Empower Mid Cap Value Fund Institutional Class 7.66 % Empower Large Cap Growth Fund Institutional Class 5.60 % Empower Small Cap Value Fund Institutional Class 4.98 % Empower Multi-Sector Bond Fund Institutional Class 4.84 % Empower Global Bond Fund Institutional Class 4.79 % Empower International Growth Fund Institutional Class 4.23 % Empower Real Estate Index Fund Institutional Class 4.04 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000155777 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Moderately Aggressive Profile Fund | |
| Class Name | Institutional Class | |
| Trading Symbol | MXHRX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Moderately Aggressive Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Moderately Aggressive Profile Fund $ 0.66 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.59%). | |
| Expenses Paid, Amount | $ 66 | |
| Expense Ratio, Percent | 0.66% | [2] |
| Net Assets | $ 909,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 500,000 | |
| Investment Company Portfolio Turnover | 13% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower Large Cap Value Fund Institutional Class 17.36 % Empower International Value Fund Institutional Class 13.08 % Empower Mid Cap Value Fund Institutional Class 9.50 % Empower of America Contract 8.99 % Empower Large Cap Growth Fund Institutional Class 6.98 % Empower Small Cap Value Fund Institutional Class 6.19 % Empower International Growth Fund Institutional Class 5.25 % Empower Emerging Markets Equity Fund Institutional Class 4.86 % Empower T. Rowe Price Mid Cap Growth Fund Institutional Class 3.79 % Empower Real Estate Index Fund Institutional Class 3.54 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower Large Cap Value Fund Institutional Class 17.36 % Empower International Value Fund Institutional Class 13.08 % Empower Mid Cap Value Fund Institutional Class 9.50 % Empower of America Contract 8.99 % Empower Large Cap Growth Fund Institutional Class 6.98 % Empower Small Cap Value Fund Institutional Class 6.19 % Empower International Growth Fund Institutional Class 5.25 % Empower Emerging Markets Equity Fund Institutional Class 4.86 % Empower T. Rowe Price Mid Cap Growth Fund Institutional Class 3.79 % Empower Real Estate Index Fund Institutional Class 3.54 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000155780 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Conservative Profile Fund | |
| Class Name | Institutional Class | |
| Trading Symbol | MXKVX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Conservative Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Conservative Profile Fund $ 0.42 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.40%). | |
| Expenses Paid, Amount | $ 42 | |
| Expense Ratio, Percent | 0.42% | [3] |
| Net Assets | $ 1,237,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 700,000 | |
| Investment Company Portfolio Turnover | 10% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 22.54 % Empower Short Duration Bond Fund Institutional Class 9.11 % Empower Multi-Sector Bond Fund Institutional Class 8.46 % Empower Global Bond Fund Institutional Class 8.38 % Empower Core Bond Fund Institutional Class 6.54 % Empower U.S. Government Mortgage Securities Fund Institutional Class 6.53 % Empower Large Cap Value Fund Institutional Class 6.26 % Empower Real Estate Index Fund Institutional Class 5.07 % Empower International Value Fund Institutional Class 4.71 % Empower Inflation-Protected Securities Fund Institutional Class 4.37 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 22.54 % Empower Short Duration Bond Fund Institutional Class 9.11 % Empower Multi-Sector Bond Fund Institutional Class 8.46 % Empower Global Bond Fund Institutional Class 8.38 % Empower Core Bond Fund Institutional Class 6.54 % Empower U.S. Government Mortgage Securities Fund Institutional Class 6.53 % Empower Large Cap Value Fund Institutional Class 6.26 % Empower Real Estate Index Fund Institutional Class 5.07 % Empower International Value Fund Institutional Class 4.71 % Empower Inflation-Protected Securities Fund Institutional Class 4.37 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000069828 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Moderately Aggressive Profile Fund | |
| Class Name | Investor Class | |
| Trading Symbol | MXBPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Moderately Aggressive Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Moderately Aggressive Profile Fund $ 1.01 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.59%). | |
| Expenses Paid, Amount | $ 101 | |
| Expense Ratio, Percent | 1.01% | [4] |
| Net Assets | $ 909,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 500,000 | |
| Investment Company Portfolio Turnover | 13% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower Large Cap Value Fund Institutional Class 17.36 % Empower International Value Fund Institutional Class 13.08 % Empower Mid Cap Value Fund Institutional Class 9.50 % Empower of America Contract 8.99 % Empower Large Cap Growth Fund Institutional Class 6.98 % Empower Small Cap Value Fund Institutional Class 6.19 % Empower International Growth Fund Institutional Class 5.25 % Empower Emerging Markets Equity Fund Institutional Class 4.86 % Empower T. Rowe Price Mid Cap Growth Fund Institutional Class 3.79 % Empower Real Estate Index Fund Institutional Class 3.54 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower Large Cap Value Fund Institutional Class 17.36 % Empower International Value Fund Institutional Class 13.08 % Empower Mid Cap Value Fund Institutional Class 9.50 % Empower of America Contract 8.99 % Empower Large Cap Growth Fund Institutional Class 6.98 % Empower Small Cap Value Fund Institutional Class 6.19 % Empower International Growth Fund Institutional Class 5.25 % Empower Emerging Markets Equity Fund Institutional Class 4.86 % Empower T. Rowe Price Mid Cap Growth Fund Institutional Class 3.79 % Empower Real Estate Index Fund Institutional Class 3.54 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000095791 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Conservative Profile Fund | |
| Class Name | Class L | |
| Trading Symbol | MXIPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Conservative Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Conservative Profile Fund $ 1.02 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.40%). | |
| Expenses Paid, Amount | $ 102 | |
| Expense Ratio, Percent | 1.02% | [5] |
| Net Assets | $ 1,237,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 700,000 | |
| Investment Company Portfolio Turnover | 10% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 22.54 % Empower Short Duration Bond Fund Institutional Class 9.11 % Empower Multi-Sector Bond Fund Institutional Class 8.46 % Empower Global Bond Fund Institutional Class 8.38 % Empower Core Bond Fund Institutional Class 6.54 % Empower U.S. Government Mortgage Securities Fund Institutional Class 6.53 % Empower Large Cap Value Fund Institutional Class 6.26 % Empower Real Estate Index Fund Institutional Class 5.07 % Empower International Value Fund Institutional Class 4.71 % Empower Inflation-Protected Securities Fund Institutional Class 4.37 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 22.54 % Empower Short Duration Bond Fund Institutional Class 9.11 % Empower Multi-Sector Bond Fund Institutional Class 8.46 % Empower Global Bond Fund Institutional Class 8.38 % Empower Core Bond Fund Institutional Class 6.54 % Empower U.S. Government Mortgage Securities Fund Institutional Class 6.53 % Empower Large Cap Value Fund Institutional Class 6.26 % Empower Real Estate Index Fund Institutional Class 5.07 % Empower International Value Fund Institutional Class 4.71 % Empower Inflation-Protected Securities Fund Institutional Class 4.37 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000069829 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Moderate Profile Fund | |
| Class Name | Investor Class | |
| Trading Symbol | MXMPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Moderate Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Moderate Profile Fund $ 0.92 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.53%). | |
| Expenses Paid, Amount | $ 92 | |
| Expense Ratio, Percent | 0.92% | [6] |
| Net Assets | $ 1,691,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 800,000 | |
| Investment Company Portfolio Turnover | 7% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 16.00 % Empower Large Cap Value Fund Institutional Class 14.02 % Empower International Value Fund Institutional Class 10.55 % Empower Mid Cap Value Fund Institutional Class 7.66 % Empower Large Cap Growth Fund Institutional Class 5.60 % Empower Small Cap Value Fund Institutional Class 4.98 % Empower Multi-Sector Bond Fund Institutional Class 4.84 % Empower Global Bond Fund Institutional Class 4.79 % Empower International Growth Fund Institutional Class 4.23 % Empower Real Estate Index Fund Institutional Class 4.04 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 16.00 % Empower Large Cap Value Fund Institutional Class 14.02 % Empower International Value Fund Institutional Class 10.55 % Empower Mid Cap Value Fund Institutional Class 7.66 % Empower Large Cap Growth Fund Institutional Class 5.60 % Empower Small Cap Value Fund Institutional Class 4.98 % Empower Multi-Sector Bond Fund Institutional Class 4.84 % Empower Global Bond Fund Institutional Class 4.79 % Empower International Growth Fund Institutional Class 4.23 % Empower Real Estate Index Fund Institutional Class 4.04 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000095790 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Moderately Conservative Profile Fund | |
| Class Name | Class L | |
| Trading Symbol | MXHPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Moderately Conservative Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Moderately Conservative Profile Fund $ 1.08 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.46%). | |
| Expenses Paid, Amount | $ 108 | |
| Expense Ratio, Percent | 1.08% | [7] |
| Net Assets | $ 648,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 300,000 | |
| Investment Company Portfolio Turnover | 16% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 22.00 % Empower Large Cap Value Fund Institutional Class 10.15 % Empower International Value Fund Institutional Class 7.64 % Empower Multi-Sector Bond Fund Institutional Class 6.65 % Empower Global Bond Fund Institutional Class 6.59 % Empower Mid Cap Value Fund Institutional Class 5.54 % Empower Core Bond Fund Institutional Class 5.14 % Empower U.S. Government Mortgage Securities Fund Institutional Class 5.13 % Empower Real Estate Index Fund Institutional Class 4.54 % Empower Large Cap Growth Fund Institutional Class 4.04 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 22.00 % Empower Large Cap Value Fund Institutional Class 10.15 % Empower International Value Fund Institutional Class 7.64 % Empower Multi-Sector Bond Fund Institutional Class 6.65 % Empower Global Bond Fund Institutional Class 6.59 % Empower Mid Cap Value Fund Institutional Class 5.54 % Empower Core Bond Fund Institutional Class 5.14 % Empower U.S. Government Mortgage Securities Fund Institutional Class 5.13 % Empower Real Estate Index Fund Institutional Class 4.54 % Empower Large Cap Growth Fund Institutional Class 4.04 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000069830 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Moderately Conservative Profile Fund | |
| Class Name | Investor Class | |
| Trading Symbol | MXDPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Moderately Conservative Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Moderately Conservative Profile Fund $ 0.83 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.46%). | |
| Expenses Paid, Amount | $ 83 | |
| Expense Ratio, Percent | 0.83% | [8] |
| Net Assets | $ 648,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 300,000 | |
| Investment Company Portfolio Turnover | 16% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 22.00 % Empower Large Cap Value Fund Institutional Class 10.15 % Empower International Value Fund Institutional Class 7.64 % Empower Multi-Sector Bond Fund Institutional Class 6.65 % Empower Global Bond Fund Institutional Class 6.59 % Empower Mid Cap Value Fund Institutional Class 5.54 % Empower Core Bond Fund Institutional Class 5.14 % Empower U.S. Government Mortgage Securities Fund Institutional Class 5.13 % Empower Real Estate Index Fund Institutional Class 4.54 % Empower Large Cap Growth Fund Institutional Class 4.04 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 22.00 % Empower Large Cap Value Fund Institutional Class 10.15 % Empower International Value Fund Institutional Class 7.64 % Empower Multi-Sector Bond Fund Institutional Class 6.65 % Empower Global Bond Fund Institutional Class 6.59 % Empower Mid Cap Value Fund Institutional Class 5.54 % Empower Core Bond Fund Institutional Class 5.14 % Empower U.S. Government Mortgage Securities Fund Institutional Class 5.13 % Empower Real Estate Index Fund Institutional Class 4.54 % Empower Large Cap Growth Fund Institutional Class 4.04 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000155778 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Moderate Profile Fund | |
| Class Name | Institutional Class | |
| Trading Symbol | MXITX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Moderate Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Moderate Profile Fund $ 0.57 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.53%). | |
| Expenses Paid, Amount | $ 57 | |
| Expense Ratio, Percent | 0.57% | [9] |
| Net Assets | $ 1,691,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 800,000 | |
| Investment Company Portfolio Turnover | 7% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 16.00 % Empower Large Cap Value Fund Institutional Class 14.02 % Empower International Value Fund Institutional Class 10.55 % Empower Mid Cap Value Fund Institutional Class 7.66 % Empower Large Cap Growth Fund Institutional Class 5.60 % Empower Small Cap Value Fund Institutional Class 4.98 % Empower Multi-Sector Bond Fund Institutional Class 4.84 % Empower Global Bond Fund Institutional Class 4.79 % Empower International Growth Fund Institutional Class 4.23 % Empower Real Estate Index Fund Institutional Class 4.04 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 16.00 % Empower Large Cap Value Fund Institutional Class 14.02 % Empower International Value Fund Institutional Class 10.55 % Empower Mid Cap Value Fund Institutional Class 7.66 % Empower Large Cap Growth Fund Institutional Class 5.60 % Empower Small Cap Value Fund Institutional Class 4.98 % Empower Multi-Sector Bond Fund Institutional Class 4.84 % Empower Global Bond Fund Institutional Class 4.79 % Empower International Growth Fund Institutional Class 4.23 % Empower Real Estate Index Fund Institutional Class 4.04 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000155779 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Moderately Conservative Profile Fund | |
| Class Name | Institutional Class | |
| Trading Symbol | MXJUX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Moderately Conservative Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Moderately Conservative Profile Fund $ 0.48 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.46%). | |
| Expenses Paid, Amount | $ 48 | |
| Expense Ratio, Percent | 0.48% | [10] |
| Net Assets | $ 648,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 300,000 | |
| Investment Company Portfolio Turnover | 16% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 22.00 % Empower Large Cap Value Fund Institutional Class 10.15 % Empower International Value Fund Institutional Class 7.64 % Empower Multi-Sector Bond Fund Institutional Class 6.65 % Empower Global Bond Fund Institutional Class 6.59 % Empower Mid Cap Value Fund Institutional Class 5.54 % Empower Core Bond Fund Institutional Class 5.14 % Empower U.S. Government Mortgage Securities Fund Institutional Class 5.13 % Empower Real Estate Index Fund Institutional Class 4.54 % Empower Large Cap Growth Fund Institutional Class 4.04 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 22.00 % Empower Large Cap Value Fund Institutional Class 10.15 % Empower International Value Fund Institutional Class 7.64 % Empower Multi-Sector Bond Fund Institutional Class 6.65 % Empower Global Bond Fund Institutional Class 6.59 % Empower Mid Cap Value Fund Institutional Class 5.54 % Empower Core Bond Fund Institutional Class 5.14 % Empower U.S. Government Mortgage Securities Fund Institutional Class 5.13 % Empower Real Estate Index Fund Institutional Class 4.54 % Empower Large Cap Growth Fund Institutional Class 4.04 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000155775 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Aggressive Profile Fund | |
| Class Name | Institutional Class | |
| Trading Symbol | MXGTX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Aggressive Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Aggressive Profile Fund $ 0.81 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.71%). | |
| Expenses Paid, Amount | $ 81 | |
| Expense Ratio, Percent | 0.81% | [11] |
| Net Assets | $ 791,000,000 | |
| Holdings Count | Holding | 10 | |
| Advisory Fees Paid, Amount | $ 400,000 | |
| Investment Company Portfolio Turnover | 9% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower Large Cap Value Fund Institutional Class 24.23 % Empower International Value Fund Institutional Class 18.25 % Empower Mid Cap Value Fund Institutional Class 13.25 % Empower Large Cap Growth Fund Institutional Class 9.70 % Empower Small Cap Value Fund Institutional Class 8.64 % Empower International Growth Fund Institutional Class 7.32 % Empower Emerging Markets Equity Fund Institutional Class 6.79 % Empower T. Rowe Price Mid Cap Growth Fund Institutional Class 5.30 % Empower Small Cap Growth Fund Institutional Class 3.48 % Empower Real Estate Index Fund Institutional Class 3.04 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower Large Cap Value Fund Institutional Class 24.23 % Empower International Value Fund Institutional Class 18.25 % Empower Mid Cap Value Fund Institutional Class 13.25 % Empower Large Cap Growth Fund Institutional Class 9.70 % Empower Small Cap Value Fund Institutional Class 8.64 % Empower International Growth Fund Institutional Class 7.32 % Empower Emerging Markets Equity Fund Institutional Class 6.79 % Empower T. Rowe Price Mid Cap Growth Fund Institutional Class 5.30 % Empower Small Cap Growth Fund Institutional Class 3.48 % Empower Real Estate Index Fund Institutional Class 3.04 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000069826 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Aggressive Profile Fund | |
| Class Name | Investor Class | |
| Trading Symbol | MXAPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Aggressive Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Aggressive Profile Fund $ 1.16 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.71%). | |
| Expenses Paid, Amount | $ 116 | |
| Expense Ratio, Percent | 1.16% | [12] |
| Net Assets | $ 791,000,000 | |
| Holdings Count | Holding | 10 | |
| Advisory Fees Paid, Amount | $ 400,000 | |
| Investment Company Portfolio Turnover | 9% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower Large Cap Value Fund Institutional Class 24.23 % Empower International Value Fund Institutional Class 18.25 % Empower Mid Cap Value Fund Institutional Class 13.25 % Empower Large Cap Growth Fund Institutional Class 9.70 % Empower Small Cap Value Fund Institutional Class 8.64 % Empower International Growth Fund Institutional Class 7.32 % Empower Emerging Markets Equity Fund Institutional Class 6.79 % Empower T. Rowe Price Mid Cap Growth Fund Institutional Class 5.30 % Empower Small Cap Growth Fund Institutional Class 3.48 % Empower Real Estate Index Fund Institutional Class 3.04 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower Large Cap Value Fund Institutional Class 24.23 % Empower International Value Fund Institutional Class 18.25 % Empower Mid Cap Value Fund Institutional Class 13.25 % Empower Large Cap Growth Fund Institutional Class 9.70 % Empower Small Cap Value Fund Institutional Class 8.64 % Empower International Growth Fund Institutional Class 7.32 % Empower Emerging Markets Equity Fund Institutional Class 6.79 % Empower T. Rowe Price Mid Cap Growth Fund Institutional Class 5.30 % Empower Small Cap Growth Fund Institutional Class 3.48 % Empower Real Estate Index Fund Institutional Class 3.04 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| C000069831 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Empower Conservative Profile Fund | |
| Class Name | Investor Class | |
| Trading Symbol | MXCPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Empower Conservative Profile Fund (the "Fund") for the period of January 1, 2024, to June 28, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents. You may also request this information by contacting us at (866)-831-7129. | |
| Additional Information Phone Number | (866)-831-7129 | |
| Additional Information Website | https://www.empower.com/investments/empower-funds/fund-documents | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Empower Conservative Profile Fund $ 0.77 % (a) (a) The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.40%). | |
| Expenses Paid, Amount | $ 77 | |
| Expense Ratio, Percent | 0.77% | [13] |
| Net Assets | $ 1,237,000,000 | |
| Holdings Count | Holding | 18 | |
| Advisory Fees Paid, Amount | $ 700,000 | |
| Investment Company Portfolio Turnover | 10% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ % Total number of portfolio holdings $ % Total advisory fee paid $ % Portfolio turnover rate as of the end of the reporting period $ % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total investments Top Ten Holdings Empower of America Contract 22.54 % Empower Short Duration Bond Fund Institutional Class 9.11 % Empower Multi-Sector Bond Fund Institutional Class 8.46 % Empower Global Bond Fund Institutional Class 8.38 % Empower Core Bond Fund Institutional Class 6.54 % Empower U.S. Government Mortgage Securities Fund Institutional Class 6.53 % Empower Large Cap Value Fund Institutional Class 6.26 % Empower Real Estate Index Fund Institutional Class 5.07 % Empower International Value Fund Institutional Class 4.71 % Empower Inflation-Protected Securities Fund Institutional Class 4.37 % Sector Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Empower of America Contract 22.54 % Empower Short Duration Bond Fund Institutional Class 9.11 % Empower Multi-Sector Bond Fund Institutional Class 8.46 % Empower Global Bond Fund Institutional Class 8.38 % Empower Core Bond Fund Institutional Class 6.54 % Empower U.S. Government Mortgage Securities Fund Institutional Class 6.53 % Empower Large Cap Value Fund Institutional Class 6.26 % Empower Real Estate Index Fund Institutional Class 5.07 % Empower International Value Fund Institutional Class 4.71 % Empower Inflation-Protected Securities Fund Institutional Class 4.37 % | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes to the Fund during the reporting period. | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with the Fund's accountants during the reporting period. | |
| [1]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.53%).[2]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.59%).[3]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.40%).[4]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.59%).[5]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.40%).[6]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.53%).[7]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.46%).[8]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.46%).[9]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.53%).[10]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.46%).[11]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.71%).[12]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.71%).[13]The Fund’s annualized expense ratio includes expenses borne directly by the class plus the Fund’s pro-rata share of the weighted average expense ratio of the underlying funds in which it invests (0.40%). | ||
| Shareholder Report, Holdings (Details) | Jun. 28, 2024 |
| C000095789 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.55% |
| C000095789 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.60% |
| C000095789 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.02% |
| C000095789 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.66% |
| C000095789 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 16% |
| C000095789 [Member] | Empower International Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.23% |
| C000095789 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.84% |
| C000095789 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.04% |
| C000095789 [Member] | Empower Small Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.98% |
| C000095789 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.79% |
| C000095789 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 16% |
| C000095789 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18.70% |
| C000095789 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4% |
| C000095789 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7% |
| C000095789 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.70% |
| C000095789 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 24% |
| C000095789 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 19.60% |
| C000155777 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.08% |
| C000155777 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.98% |
| C000155777 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 17.36% |
| C000155777 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9.50% |
| C000155777 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.99% |
| C000155777 [Member] | Empower International Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.25% |
| C000155777 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.54% |
| C000155777 [Member] | Empower Small Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.19% |
| C000155777 [Member] | Empower Emerging Markets Equity Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.86% |
| C000155777 [Member] | Empower T Rowe Price Mid Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.79% |
| C000155777 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9% |
| C000155777 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 23.20% |
| C000155777 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.50% |
| C000155777 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.70% |
| C000155777 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.30% |
| C000155777 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18% |
| C000155777 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 24.30% |
| C000155780 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.71% |
| C000155780 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.26% |
| C000155780 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22.54% |
| C000155780 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.46% |
| C000155780 [Member] | Empower Core Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.54% |
| C000155780 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.07% |
| C000155780 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.38% |
| C000155780 [Member] | Empower Short Duration Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9.11% |
| C000155780 [Member] | Empower U S Government Mortgage Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.53% |
| C000155780 [Member] | Empower Inflation Protected Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.37% |
| C000155780 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22.50% |
| C000155780 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.40% |
| C000155780 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000155780 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000155780 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000155780 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 47.30% |
| C000155780 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.80% |
| C000069828 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.08% |
| C000069828 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.98% |
| C000069828 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 17.36% |
| C000069828 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9.50% |
| C000069828 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.99% |
| C000069828 [Member] | Empower International Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.25% |
| C000069828 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.54% |
| C000069828 [Member] | Empower Small Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.19% |
| C000069828 [Member] | Empower Emerging Markets Equity Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.86% |
| C000069828 [Member] | Empower T Rowe Price Mid Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.79% |
| C000069828 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9% |
| C000069828 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 23.20% |
| C000069828 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.50% |
| C000069828 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.70% |
| C000069828 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.30% |
| C000069828 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18% |
| C000069828 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 24.30% |
| C000095791 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.71% |
| C000095791 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.26% |
| C000095791 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22.54% |
| C000095791 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.46% |
| C000095791 [Member] | Empower Core Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.54% |
| C000095791 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.07% |
| C000095791 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.38% |
| C000095791 [Member] | Empower Short Duration Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9.11% |
| C000095791 [Member] | Empower U S Government Mortgage Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.53% |
| C000095791 [Member] | Empower Inflation Protected Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.37% |
| C000095791 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22.50% |
| C000095791 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.40% |
| C000095791 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000095791 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000095791 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000095791 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 47.30% |
| C000095791 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.80% |
| C000069829 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.55% |
| C000069829 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.60% |
| C000069829 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.02% |
| C000069829 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.66% |
| C000069829 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 16% |
| C000069829 [Member] | Empower International Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.23% |
| C000069829 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.84% |
| C000069829 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.04% |
| C000069829 [Member] | Empower Small Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.98% |
| C000069829 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.79% |
| C000069829 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 16% |
| C000069829 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18.70% |
| C000069829 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4% |
| C000069829 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7% |
| C000069829 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.70% |
| C000069829 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 24% |
| C000069829 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 19.60% |
| C000095790 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.64% |
| C000095790 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.04% |
| C000095790 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.15% |
| C000095790 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.54% |
| C000095790 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22% |
| C000095790 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.65% |
| C000095790 [Member] | Empower Core Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.14% |
| C000095790 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.54% |
| C000095790 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.59% |
| C000095790 [Member] | Empower U S Government Mortgage Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.13% |
| C000095790 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22% |
| C000095790 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.50% |
| C000095790 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.50% |
| C000095790 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000095790 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000095790 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 32.90% |
| C000095790 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.20% |
| C000069830 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.64% |
| C000069830 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.04% |
| C000069830 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.15% |
| C000069830 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.54% |
| C000069830 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22% |
| C000069830 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.65% |
| C000069830 [Member] | Empower Core Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.14% |
| C000069830 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.54% |
| C000069830 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.59% |
| C000069830 [Member] | Empower U S Government Mortgage Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.13% |
| C000069830 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22% |
| C000069830 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.50% |
| C000069830 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.50% |
| C000069830 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000069830 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000069830 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 32.90% |
| C000069830 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.20% |
| C000155778 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.55% |
| C000155778 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.60% |
| C000155778 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.02% |
| C000155778 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.66% |
| C000155778 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 16% |
| C000155778 [Member] | Empower International Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.23% |
| C000155778 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.84% |
| C000155778 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.04% |
| C000155778 [Member] | Empower Small Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.98% |
| C000155778 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.79% |
| C000155778 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 16% |
| C000155778 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18.70% |
| C000155778 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4% |
| C000155778 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7% |
| C000155778 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.70% |
| C000155778 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 24% |
| C000155778 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 19.60% |
| C000155779 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.64% |
| C000155779 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.04% |
| C000155779 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 10.15% |
| C000155779 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.54% |
| C000155779 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22% |
| C000155779 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.65% |
| C000155779 [Member] | Empower Core Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.14% |
| C000155779 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.54% |
| C000155779 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.59% |
| C000155779 [Member] | Empower U S Government Mortgage Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.13% |
| C000155779 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22% |
| C000155779 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.50% |
| C000155779 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.50% |
| C000155779 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000155779 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.80% |
| C000155779 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 32.90% |
| C000155779 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 14.20% |
| C000155775 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18.25% |
| C000155775 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9.70% |
| C000155775 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 24.23% |
| C000155775 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.25% |
| C000155775 [Member] | Empower International Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.32% |
| C000155775 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.04% |
| C000155775 [Member] | Empower Small Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.64% |
| C000155775 [Member] | Empower Emerging Markets Equity Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.79% |
| C000155775 [Member] | Empower Small Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.48% |
| C000155775 [Member] | Empower T Rowe Price Mid Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.30% |
| C000155775 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 32.40% |
| C000155775 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3% |
| C000155775 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 12.10% |
| C000155775 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18.60% |
| C000155775 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 33.90% |
| C000069826 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18.25% |
| C000069826 [Member] | Empower Large Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9.70% |
| C000069826 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 24.23% |
| C000069826 [Member] | Empower Mid Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 13.25% |
| C000069826 [Member] | Empower International Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.32% |
| C000069826 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.04% |
| C000069826 [Member] | Empower Small Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.64% |
| C000069826 [Member] | Empower Emerging Markets Equity Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.79% |
| C000069826 [Member] | Empower Small Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.48% |
| C000069826 [Member] | Empower T Rowe Price Mid Cap Growth Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.30% |
| C000069826 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 32.40% |
| C000069826 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3% |
| C000069826 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 12.10% |
| C000069826 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 18.60% |
| C000069826 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 33.90% |
| C000069831 [Member] | Empower International Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.71% |
| C000069831 [Member] | Empower Large Cap Value Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.26% |
| C000069831 [Member] | Empower of America Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22.54% |
| C000069831 [Member] | Empower Multi Sector Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.46% |
| C000069831 [Member] | Empower Core Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.54% |
| C000069831 [Member] | Empower Real Estate Index Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.07% |
| C000069831 [Member] | Empower Global Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.38% |
| C000069831 [Member] | Empower Short Duration Bond Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 9.11% |
| C000069831 [Member] | Empower U S Government Mortgage Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.53% |
| C000069831 [Member] | Empower Inflation Protected Securities Fund Institutional Class [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.37% |
| C000069831 [Member] | Fixed Interest Contract [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 22.50% |
| C000069831 [Member] | International Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.40% |
| C000069831 [Member] | Real Estate Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.10% |
| C000069831 [Member] | Small Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000069831 [Member] | Mid Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.80% |
| C000069831 [Member] | Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 47.30% |
| C000069831 [Member] | Large Cap Equity [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.80% |
