Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.54	%
Acquired Fund Fees and Expenses (AFFE)		0.47	%
Total Annual Fund Operating Expenses		1.11	%^†

^† Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Defensive Strategy Fund — Class F Shares				$	113			$	353			$	612			$	1,352

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 57% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Defensive Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.28	%
Total Annual Fund Operating Expenses		0.93	%^†

^† Because the Defensive Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Defensive Strategy Allocation Fund — Class F Shares				$	95			$	296			$	515			$	1,143

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 15% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.55	%
Total Annual Fund Operating Expenses		1.20	%^†

^† Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Conservative Strategy Fund — Class F Shares				$	122			$	381			$	660			$	1,455

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 17% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Conservative Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.59	%
Total Annual Fund Operating Expenses		1.24	%^†

^† Because the Conservative Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Conservative Strategy Allocation Fund — Class F Shares				$	126			$	393			$	681			$	1,500

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 16% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.54	%
Acquired Fund Fees and Expenses (AFFE)		0.67	%
Total Annual Fund Operating Expenses		1.31	%^†

^† Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Moderate Strategy Fund — Class F Shares				$	133			$	415			$	718			$	1,579

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 27% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Moderate Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.54	%
Acquired Fund Fees and Expenses (AFFE)		0.60	%
Total Annual Fund Operating Expenses		1.24	%^†

^† Because the Moderate Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Moderate Strategy Allocation Fund — Class F Shares				$	126			$	393			$	681			$	1,500

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 13% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.71	%
Total Annual Fund Operating Expenses		1.36	%^†

^† Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Aggressive Strategy Fund — Class F Shares				$	138			$	431			$	745			$	1,635

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 18% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Tax-Managed Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.74	%
Total Annual Fund Operating Expenses		1.39	%^†

^† Because the Tax-Managed Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Tax-Managed Aggressive Strategy Fund — Class F Shares				$	142			$	440			$	761			$	1,669

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 6% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Core Market Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.75	%
Total Annual Fund Operating Expenses		1.40	%^†

^† Because the Core Market Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Core Market Strategy Fund — Class F Shares				$	143			$	443			$	766			$	1,680

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 19% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Core Market Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.54	%
Acquired Fund Fees and Expenses (AFFE)		0.74	%
Total Annual Fund Operating Expenses		1.38	%^†

^† Because the Core Market Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Core Market Strategy Allocation Fund — Class F Shares				$	140			$	437			$	755			$	1,657

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 6% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees*		0.10	%
Distribution (12b-1) Fees		None
Other Expenses*		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.78	%
Total Annual Fund Operating Expenses		1.43	%^†

^† Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Market Growth Strategy Fund — Class F Shares				$	146			$	452			$	782			$	1,713

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 20% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Market Growth Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.54	%
Acquired Fund Fees and Expenses (AFFE)		0.74	%
Total Annual Fund Operating Expenses		1.38	%^†

^† Because the Market Growth Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Market Growth Strategy Allocation Fund — Class F Shares				$	140			$	437			$	755			$	1,657

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 6% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.54	%
Acquired Fund Fees and Expenses (AFFE)		0.47	%
Total Annual Fund Operating Expenses		1.86	%^†

^† Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Defensive Strategy Fund — Class D Shares				$	189			$	585			$	1,006			$	2,180

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 57% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.55	%
Total Annual Fund Operating Expenses		1.95	%^†

^† Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Conservative Strategy Fund — Class D Shares				$	198			$	612			$	1,052			$	2,275

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 17% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.67	%
Total Annual Fund Operating Expenses		2.07	%^†

^† Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Moderate Strategy Fund — Class D Shares				$	210			$	649			$	1,114			$	2,400

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 27% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.71	%
Total Annual Fund Operating Expenses		2.11	%^†

^† Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Aggressive Strategy Fund — Class D Shares				$	214			$	661			$	1,134			$	2,441

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 18% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Core Market Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.75	%
Total Annual Fund Operating Expenses		2.15	%^†

^† Because the Core Market Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Core Market Strategy Fund — Class D Shares				$	218			$	673			$	1,154			$	2,483

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 19% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees*		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses*		0.54	%
Acquired Fund Fees and Expenses (AFFE)		0.78	%
Total Annual Fund Operating Expenses		2.17	%^†

^† Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Market Growth Strategy Fund — Class D Shares				$	220			$	679			$	1,164			$	2,503

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 20% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.79	%
Acquired Fund Fees and Expenses (AFFE)		0.47	%
Total Annual Fund Operating Expenses		1.36	%^†

^† Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Defensive Strategy Fund — Class I Shares				$	138			$	431			$	745			$	1,635

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 57% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.80	%
Acquired Fund Fees and Expenses (AFFE)		0.55	%
Total Annual Fund Operating Expenses		1.45	%^†

^† Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Conservative Strategy Fund — Class I Shares				$	148			$	459			$	792			$	1,735

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 17% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.80	%
Acquired Fund Fees and Expenses (AFFE)		0.67	%
Total Annual Fund Operating Expenses		1.57	%^†

^† Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Moderate Strategy Fund — Class I Shares				$	160			$	496			$	855			$	1,867

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 27% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.80	%
Acquired Fund Fees and Expenses (AFFE)		0.71	%
Total Annual Fund Operating Expenses		1.61	%^†

^† Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Aggressive Strategy Fund — Class I Shares				$	164			$	508			$	876			$	1,911

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 18% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

The operating expenses in this fee table will not correlate to the expense ratio in the financial statements for the Core Market Strategy Fund (Fund). The financial statements include direct operating expenses incurred by the Fund. Due to the de minimis asset levels of Class I during the most recent fiscal year, the expenses in this table are estimates, based on expenses incurred by the Fund's other share classes, as adjusted for Class I expenses. In addition, the fee table includes AFFE for the most recent fiscal year, but the financial statements do not include the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.80	%
Acquired Fund Fees and Expenses (AFFE)		0.75	%
Total Annual Fund Operating Expenses		1.65	%^†

^† The operating expenses in this fee table will not correlate to the expense ratio in the financial statements for the Core Market Strategy Fund (Fund). The financial statements include direct operating expenses incurred by the Fund. Due to the de minimis asset levels of Class I during the most recent fiscal year, the expenses in this table are estimates, based on expenses incurred by the Fund's other share classes, as adjusted for Class I expenses. In addition, the fee table includes AFFE for the most recent fiscal year, but the financial statements do not include the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Core Market Strategy Fund — Class I Shares				$	168			$	520			$	897			$	1,955

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 19% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees*		0.10	%
Distribution (12b-1) Fees		None
Other Expenses*		0.80	%
Acquired Fund Fees and Expenses (AFFE)		0.78	%
Total Annual Fund Operating Expenses		1.68	%^†

^† Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Market Growth Strategy Fund — Class I Shares				$	171			$	530			$	913			$	1,987

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 20% of the average value of its portfolio.