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Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk/Return [Heading] oef_RiskReturnHeading Pacific Dynamix — Conservative Growth Portfolio
Objective [Heading] oef_ObjectiveHeading Investment Goal
Objective, Primary [Text Block] oef_ObjectivePrimaryTextBlock
This Fund seeks current income and moderate growth of capital.
Expense Heading [Optional Text] oef_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] oef_ExpenseNarrativeTextBlock
This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Examples below. The table and Examples below also do not reflect expenses and charges that are imposed under your variable annuity contract or variable life insurance policy. For information on these expenses and charges, please refer to the applicable contract or policy prospectus. If these fees and expenses were included, the fees and expenses shown would be higher.
Operating Expenses Caption [Optional Text] oef_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination Apr. 30, 2026
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees Acquired Fund Fees and Expenses are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies. As such, they are not reflected in the total annual operating expenses in the Fund’s financial statements.
Expense Example [Heading] oef_ExpenseExampleHeading Examples
Expense Example Narrative [Text Block] oef_ExpenseExampleNarrativeTextBlock
The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other Funds of the Trust or other mutual funds. The Examples assume that you invest $10,000 for the time periods indicated, that your investment has a 5% return each year and that the Fund’s annual operating expenses remain as stated in the previous table for the time periods shown except for the expense reimbursement (expense limitation), which is only reflected for the contractual period. Although your actual costs may be higher or lower, the Examples show what your costs would be based on these assumptions.
These Examples do not reflect fees and expenses of any variable annuity contract or variable life insurance policy. If these were included, the expenses (in dollars) shown would be higher. Keep in mind that this is only an estimate; actual expenses and performance may vary.
Expense Example by, Year, Caption [Text] oef_ExpenseExampleByYearCaption Your expenses (in dollars) if you buy, sell/redeem or hold all of your shares at the end of each period
Expense Example, No Redemption, By Year, Caption [Text] oef_ExpenseExampleNoRedemptionByYearCaption Your expenses (in dollars) if you buy, sell/redeem or hold all of your shares at the end of each period
Portfolio Turnover [Heading] oef_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] oef_PortfolioTurnoverTextBlock
The Fund, which operates as a “fund of funds” that seeks to achieve its investment goal by investing in other funds, does not pay transaction costs, such as commissions, when it buys and sells shares of those underlying funds (or “turns over” its holdings). During the fiscal year ended December 31, 2024, the portfolio turnover rate was 19% of the average value of the Fund. An underlying fund typically does pay transaction costs when it turns over its portfolio so a higher portfolio turnover rate, which reflects a larger number of securities being bought or sold, may indicate higher transaction costs. These costs, which are not reflected in Annual Fund Operating Expenses or in the Examples, affect the Fund’s and underlying funds’ performance.
Portfolio Turnover, Rate oef_PortfolioTurnoverRate 19.00%
Strategy [Heading] oef_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] oef_StrategyNarrativeTextBlock
This Fund is a “fund of funds” that seeks to achieve its investment goal by investing in other funds of the Trust (the “Pacific Dynamix Underlying Funds”). Under normal market conditions, the Fund’s exposures to the two broad asset classes of debt and equity are expected to be within the following ranges:
​
BROAD ASSET CLASS ALLOCATIONS
 ​
​
Debt
​ ​
Equity
​
​
50 – 70%​
​ ​
30 – 50%
 ​
Pacific Life Fund Advisors LLC (“PLFA”), the investment adviser to the Fund, manages and oversees the Fund through a multi-step process that includes:
(1) Asset Allocation/Portfolio Construction — PLFA manages the Fund using an approximate 10 year investment horizon. An asset class model (the “Model”) for the Fund is developed that seeks to meet the Fund’s investment goal over this period using both broad asset classes and narrower asset classes. The broad equity asset class includes narrower asset classes such as domestic, small-capitalization, mid-capitalization and large-capitalization, growth and value strategies, and international and emerging markets. The broad debt asset class includes narrower asset classes such as investment grade bonds and high yield/high risk bonds.
PLFA then determines the amount of the Fund’s assets to invest in each Pacific Dynamix Underlying Fund in order to obtain the asset class exposures designated by the Model for the Fund.
PLFA may adjust the broad asset class allocations to any point within the above ranges, and/or adjust the narrower asset class allocations or the allocations to the Pacific Dynamix Underlying Funds at any time as it deems necessary based on PLFA’s views of market conditions, its outlook for various asset classes or other factors (“dynamic positioning”).
For example, PLFA may engage in dynamic positioning for the Fund by adjusting the Model to reflect a shorter term view of the markets or a particular asset class, to seek to capture upside opportunities or mitigate risk from market events, or for cash management purposes. PLFA would then make the appropriate adjustments to its Pacific Dynamix Underlying Fund allocations to reflect the updated asset class allocations in the Model. This dynamic positioning would be implemented consistent with the Fund’s risk/return profile and investment goal.
(2) Manager Oversight —  PLFA monitors and evaluates the Pacific Dynamix Underlying Fund Managers to seek to ensure that each Manager’s investment style and approach continue to be appropriate for the respective Pacific Dynamix Underlying Fund.
(3) Investment Risk Management — PLFA monitors and analyzes the investment risks of the Fund, evaluates their impact on the Fund’s risk/return objectives and considers adjustments to the Fund’s allocations as a result.
The Pacific Dynamix Underlying Funds in which the Fund invests are index funds (including index sampling funds), which means that they seek to match the investment returns of specified stock or bond indices. Some of these Pacific Dynamix Underlying Funds, in order to track the composition of their indices, may become non-diversified under the Investment Company Act of 1940 (“1940 Act”).
Investments of the Pacific Dynamix Underlying Funds that invest primarily in debt instruments include: investment grade debt securities, which may include U.S. Government securities, corporate bonds, mortgage-related securities, and other asset-backed securities; foreign debt securities; debt instruments of varying duration; and high yield/high risk bonds.
Investments of the Pacific Dynamix Underlying Funds that invest primarily in equity instruments include: growth and value stocks; mid- and large-capitalization companies; and domestic and foreign stocks (which may be U.S. dollar or foreign currency-denominated).
The Fund may invest a significant portion of its assets in any single Pacific Dynamix Underlying Fund. PLFA has sole discretion in selecting the Pacific Dynamix Underlying Funds for investment and may adjust the Fund’s allocations to the Pacific Dynamix Underlying Funds, and add or remove Pacific Dynamix Underlying Funds, as it deems appropriate to meet the Fund’s investment goal. The Fund will be as fully invested as practical, although it may maintain liquidity reserves to meet redemption requests.
A Pacific Dynamix Underlying Fund may lend its portfolio holdings to certain financial institutions.
For additional information about the Fund and its Pacific Dynamix Underlying Fund investments, please see the Additional Information About Principal Investment Strategies and Principal Risks section in the Prospectus.
Bar Chart and Performance Table [Heading] oef_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] oef_PerformanceNarrativeTextBlock
The bar chart and Average Annual Total Returns table below provide some indication of the risk of investing in the Fund by showing changes in the performance of the Fund from year to year and showing how the Fund’s average annual total returns compare to two broad-based market indices representing the domestic equity market and the domestic debt market that correspond to the Fund’s two broad asset classes. To further assist in performance comparison, a composite benchmark is presented that is comprised of certain broad-based market indices based on the broad asset class allocations for the Fund. The composite benchmark is comprised of 60% Bloomberg US Aggregate Bond, 30% S&P 500, 10% MSCI World ex USA Indices. The bar chart shows the performance of the Fund’s Class I shares. Returns do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. Past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects fee waiver or expense limitations, if any, that were in effect during the periods presented.
Performance Information Illustrates Variability of Returns [Text] oef_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and Average Annual Total Returns table below provide some indication of the risk of investing in the Fund by showing changes in the performance of the Fund from year to year and showing how the Fund’s average annual total returns compare to two broad-based market indices representing the domestic equity market and the domestic debt market that correspond to the Fund’s two broad asset classes.
Performance Additional Market Index [Text] oef_PerformanceAdditionalMarketIndex To further assist in performance comparison, a composite benchmark is presented that is comprised of certain broad-based market indices based on the broad asset class allocations for the Fund. The composite benchmark is comprised of 60% Bloomberg US Aggregate Bond, 30% S&P 500, 10% MSCI World ex USA Indices.
Performance Past Does Not Indicate Future [Text] oef_PerformancePastDoesNotIndicateFuture Past performance is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] oef_BarChartHeading Calendar Year Total Returns (%)
Bar Chart Does Not Reflect Sales Loads [Text] oef_BarChartDoesNotReflectSalesLoads Returns do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower.
Bar Chart Closing [Text Block] oef_BarChartClosingTextBlock
Best and worst quarterly performance reflected within the bar chart: Q2 2020: 10.99%; Q2 2022: (9.91%)
Highest Quarterly Return, Label [Optional Text] oef_HighestQuarterlyReturnLabel Best quarterly performance reflected within the bar chart:
Highest Quarterly Return, Date oef_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return oef_BarChartHighestQuarterlyReturn 10.99%
Lowest Quarterly Return, Label [Optional Text] oef_LowestQuarterlyReturnLabel worst quarterly performance reflected within the bar chart:
Lowest Quarterly Return, Date oef_BarChartLowestQuarterlyReturnDate Jun. 30, 2022
Lowest Quarterly Return oef_BarChartLowestQuarterlyReturn (9.91%)
Index No Deduction for Fees, Expenses, or Taxes [Text] oef_IndexNoDeductionForFeesExpensesTaxes (reflects no deductions for fees, expenses, or taxes)
Average Annual Return, Caption [Optional Text] oef_AverageAnnualReturnCaption Average Annual Total Returns ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ (For the periods ended December 31, 2024)
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Risk Lose Money [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock As with any mutual fund, the value of the Fund’s investments, and therefore the value of your shares, may go up or down and you could lose money.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Risk Not Insured [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Asset Allocation Fund Of Funds Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Asset Allocation Fund of Funds Risk: Asset allocation decisions, techniques, analyses, or models implemented by PLFA as the Fund’s investment adviser may not produce the expected returns, may cause the Fund’s shares to lose value or may cause the Fund to underperform other funds with similar investment goals. Although the theory behind asset allocation is that diversification among asset classes can help reduce volatility over the long term, PLFA’s assumptions about asset classes and Pacific Dynamix Underlying Funds may diverge from historical performance and assumptions used to develop allocations in light of actual market conditions. There is a risk that you could achieve better returns by investing in an individual fund or funds representing a single broad asset class rather than investing in a fund of funds. The Fund’s performance is also closely related to the Pacific Dynamix Underlying Funds performance and ability to meet their investment goals. Fund shareholders bear indirectly the expenses of the Pacific Dynamix Underlying Funds in which the Fund invests in addition to the Fund’s management fee so there is a risk of an additional layer or layers of fees. The Fund’s actual asset class allocations may deviate from the intended allocation because a Pacific Dynamix Underlying Fund’s investments can change due to market movements, the Pacific Dynamix Underlying Fund Manager’s investment decisions or other factors, which could result in the fund’s risk/​return target not being met. As a fund of funds, the Fund is exposed to the same risks as the Pacific Dynamix Underlying Funds in proportion to the Fund’s allocation to those Pacific Dynamix Underlying Funds.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Conflicts of Interest Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Conflicts of Interest Risk: PLFA is subject to competing interests that have the potential to influence its investment decisions for the Fund. For example, a Pacific Dynamix Underlying Fund that provides greater profitability to PLFA than another Pacific Dynamix Underlying Fund may create an incentive for PLFA to use that fund as a Pacific Dynamix Underlying Fund. In addition, PLFA may be influenced by its view of the best interests of Pacific Dynamix Underlying
Funds, such as a view that a Pacific Dynamix Underlying Fund may benefit from additional assets or could be harmed by redemptions. In addition, PLFA’s management of the Fund and the Fund’s risk/return profile may be influenced by the insurance companies that use the Fund as an investment option for their variable life and annuity contracts. These insurance companies may include affiliates of PLFA. PLFA seeks to identify and address any potential conflicts in a manner that is fair for Pacific Dynamix Underlying Funds, the Fund and the shareholders of the Fund. PLFA has adopted a policy under which investment decisions for the Fund must be made in the best interests of the Fund and its shareholders, and PLFA may take into account the interests of a Pacific Dynamix Underlying Fund and its shareholders when making investment decisions for the Fund.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Debt Securities Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Debt Securities Risk: Debt securities and other debt instruments are subject to many risks, including interest rate risk and credit risk, which may affect their value.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Equity Securities Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Equity Securities Risk: Equity securities tend to go up and down in value, sometimes rapidly and unpredictably.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Credit Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Credit Risk: An issuer or guarantor of a debt instrument might be unable or unwilling to meet its financial obligations and might not make interest or principal payments on an instrument when those payments are due (“default”). The risk of a default is higher for debt instruments that are non-investment grade and lower for debt instruments that are of higher quality. Defaults may potentially reduce a Pacific Dynamix Underlying Fund’s income or ability to recover amounts due and may reduce the value of the debt instrument, sometimes dramatically.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Interest Rate Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Interest Rate Risk: When interest rates rise, the value of debt investments will generally decrease. During periods when the Federal Reserve raises interest rates, the Pacific Dynamix Underlying Fund may be subject to heightened levels of interest rate risk. During periods when interest rates are low or there are negative interest rates, the Pacific Dynamix Underlying Fund’s yield (and total return) also may be low and the Pacific Dynamix Underlying Fund may experience low or negative returns. Debt instruments with longer durations tend to be more sensitive to changes in interest rates, making them more volatile than debt instruments with shorter durations or floating or adjustable interest rates.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Liquidity Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Liquidity Risk: Certain holdings may be difficult to purchase, sell and value, particularly during adverse market conditions, because there is a limited market for the investment or there are restrictions on resale. A Pacific Dynamix Underlying Fund may not be able to sell a holding quickly at the price it has valued the holding, may be unable to take advantage of market opportunities or may be forced to sell other more desirable, more liquid securities or sell less liquid or illiquid securities at a loss if needed to raise cash to conduct operations, including to meet redemption requests.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Mortgage-Related and Other Asset-Backed Securities Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Mortgage-Related and Other Asset-Backed Securities Risk: Mortgage-related and other asset-backed securities are subject to certain risks affecting the housing market or the
market for the assets underlying such securities. These securities are also subject to extension risk (the risk that rising interest rates extend the duration of fixed mortgage-related and other asset-backed securities, making them more sensitive to changes in interest rates), interest rate risk (the risk that rising interest rates will cause a decline in the value of a fixed income security), subprime risk (the risk that these securities have exposure to borrowers with lower credit risk, increasing potential default), prepayment risk (when interest rates decline, borrowers may pay off their mortgages sooner than expected which can reduce a Pacific Dynamix Underlying Fund’s returns because a Pacific Dynamix Underlying Fund may have to reinvest its assets at lower interest rates), call risk (similar to prepayment risk, an issuer may pay its obligations under a security sooner than expected), U.S. government securities risk (securities backed by different U.S. government agencies are subject to varying levels of credit rating risk) and issuer risk (the risk that a private issuer cannot meet its obligations).
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | U.S. Government Securities Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
U.S. Government Securities Risk: Not all U.S. government securities are backed or guaranteed by the U.S. government and different U.S. government securities are subject to varying degrees of credit risk. There is a risk that the U.S. government will not make timely payments on its debt or provide financial support to U.S. government agencies, instrumentalities or sponsored enterprises if those entities are not able to meet their financial obligations.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Large-Capitalization Companies Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Large-Capitalization Companies Risk: Although large-capitalization companies tend to have more stable prices than smaller, less established companies, they are still subject to equity securities risk. In addition, large-capitalization equity security prices may not rise as much as prices of equity securities of small-capitalization companies.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Foreign (Non-U.S.) Markets Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Foreign (Non-U.S.) Markets Risk: Investing in foreign issuers (companies or other entities) can involve more risks than investing in United States (“U.S.”) issuers, such as risks relating to market, economic, political, regulatory and geopolitical conditions relevant to that market. These factors can make investments in foreign issuers more volatile and less liquid than U.S. investments. Less stringent regulatory, accounting, and disclosure requirements and general supervision for issuers and markets are more common in certain foreign countries. Enforcing legal rights can be difficult, costly, and slow in certain foreign countries, and can be particularly difficult against foreign governments. In addition, foreign markets can react differently to these conditions than the U.S. market. Markets and economies throughout the world are becoming increasingly interconnected, and conditions or events in one market, country or region may adversely impact investments or issuers in, or foreign exchange rates with, another market, country or region.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Value Companies Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Value Companies Risk: Value companies are those that a portfolio manager believes are undervalued and trading for less than their intrinsic values. There is a risk that the determination that a stock is undervalued is not correct or is not recognized in the market.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Growth Companies Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Growth Companies Risk: Growth companies are those that a portfolio manager believes have the potential for above average or rapid growth but may be subject to greater price volatility than investments in “undervalued” companies.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Passive Management Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Passive Management Risk: Regardless of performance, a passively managed (or index) fund generally holds constituent securities of the index for which the fund seeks corresponding investment results, which could cause the index fund’s return to be lower than an actively managed fund (which generally seeks to outperform an index). An index fund will also perform poorly when such index performs poorly. In addition, an index fund has operating and other expenses while an index does not. As such, an index fund will tend to underperform the index to some degree over time even though it will attempt to track that index as closely as possible.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Tracking Error Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Tracking Error Risk: Performance of a Pacific Dynamix Underlying Fund may vary from the performance of the index for which it seeks corresponding investment results due to imperfect correlation between the Pacific Dynamix Underlying Fund’s investments and that index.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Index Sampling Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Index Sampling Risk: Because index sampling relies on the sub-adviser to select securities that have economic characteristics similar to securities in the index for which a Pacific Dynamix Underlying Fund seeks corresponding investment results, as opposed to holding the constituent securities of that index in the same proportion as the index holds them, index sampling may not result in the aggregate in investment performance matching that index or of other funds that purchased all or substantially all of the securities in the same index in approximately the same proportions as their weightings in the index.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Risk Nondiversified Status [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Non-Diversification Risk: In order to track the composition of the index for which it seeks corresponding investment results, a Pacific Dynamix Underlying Fund may invest a greater percentage of its assets in a single issuer or a fewer number of issuers than a fund that is classified as diversified. As a result, a Pacific Dynamix Underlying Fund may become non-diversified under the 1940 Act. This increases the risk that the Pacific Dynamix Underlying Fund will have greater price swings over shorter periods of time because the poor performance of a single investment or a fewer number of investments will have a greater impact on the Pacific Dynamix Underlying Fund than a diversified fund with more investments.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Industry Concentration Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Industry Concentration Risk: Concentrating investments in a particular industry or group of industries makes a Pacific Dynamix Underlying Fund more susceptible to adverse economic, business, regulatory or other developments affecting that industry or group of industries, which could negatively impact performance.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Technology Sector Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Technology Sector Risk: Companies in the Technology sector face a number of risks, including operating in rapidly changing fields, abrupt or erratic market movements, limited product lines, markets or financial resources, management that is dependent on a limited number of people, short product cycles, aggressive pricing of products and services, new market entrants and rapid obsolescence of products and services due to technological innovations or changing consumer preferences. In addition, many U.S. companies in the Technology sector have diverse operations, with products or services in foreign markets, exposing them to risks associated with foreign markets.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Financial Sector Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Financial Sector Risk: The operations and businesses of Financial services companies are subject to extensive governmental regulation, the availability and cost of capital funds, and interest rate changes. General market downturns may affect financial services companies adversely.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Underlying Fund Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Underlying Fund Risk: Because a Pacific Dynamix Underlying Fund is available for investment by one or more “fund of funds” of the Trust and thus may have a significant percentage of its outstanding shares held by such fund of funds, a change in asset allocation by the fund of funds could result in large redemptions out of the Pacific Dynamix Underlying Fund, causing the sale of securities in a short timeframe and potential increases in expenses to the Pacific Dynamix Underlying Fund and its remaining shareholders, both of which could negatively impact performance.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Securities Lending Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Securities Lending Risk: A Pacific Dynamix Underlying Fund may engage in securities lending, which involves the risk that a Pacific Dynamix Underlying Fund may suffer a loss if the borrower fails to return the loaned securities in a timely manner or at all. A Pacific Dynamix Underlying Fund could also lose money due to the decline in the value of the collateral provided or a decline in the value of any investments made with cash collateral.
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Class I  
Prospectus [Line Items] oef_ProspectusLineItems  
Management Fees (as a percentage of Assets) oef_ManagementFeesOverAssets 0.20%
Distribution and Service (12b-1) Fees oef_DistributionAndService12b1FeesOverAssets 0.20%
Other Expenses (as a percentage of Assets): oef_OtherExpensesOverAssets 0.03%
Acquired Fund Fees and Expenses oef_AcquiredFundFeesAndExpensesOverAssets 0.20% [1]
Expenses (as a percentage of Assets) oef_ExpensesOverAssets 0.63%
Fee Waiver or Reimbursement oef_FeeWaiverOrReimbursementOverAssets (0.04%) [2]
Net Expenses (as a percentage of Assets) oef_NetExpensesOverAssets 0.59%
Expense Example, with Redemption, 1 Year oef_ExpenseExampleYear01 $ 60
Expense Example, with Redemption, 3 Years oef_ExpenseExampleYear03 198
Expense Example, with Redemption, 5 Years oef_ExpenseExampleYear05 347
Expense Example, with Redemption, 10 Years oef_ExpenseExampleYear10 783
Expense Example, No Redemption, 1 Year oef_ExpenseExampleNoRedemptionYear01 60
Expense Example, No Redemption, 3 Years oef_ExpenseExampleNoRedemptionYear03 198
Expense Example, No Redemption, 5 Years oef_ExpenseExampleNoRedemptionYear05 347
Expense Example, No Redemption, 10 Years oef_ExpenseExampleNoRedemptionYear10 $ 783
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix - Conservative Growth Portfolio | Class P  
Prospectus [Line Items] oef_ProspectusLineItems  
Management Fees (as a percentage of Assets) oef_ManagementFeesOverAssets 0.20%
Other Expenses (as a percentage of Assets): oef_OtherExpensesOverAssets 0.03%
Acquired Fund Fees and Expenses oef_AcquiredFundFeesAndExpensesOverAssets 0.20% [1]
Expenses (as a percentage of Assets) oef_ExpensesOverAssets 0.43%
Fee Waiver or Reimbursement oef_FeeWaiverOrReimbursementOverAssets (0.04%) [2]
Net Expenses (as a percentage of Assets) oef_NetExpensesOverAssets 0.39%
Expense Example, with Redemption, 1 Year oef_ExpenseExampleYear01 $ 40
Expense Example, with Redemption, 3 Years oef_ExpenseExampleYear03 134
Expense Example, with Redemption, 5 Years oef_ExpenseExampleYear05 237
Expense Example, with Redemption, 10 Years oef_ExpenseExampleYear10 538
Expense Example, No Redemption, 1 Year oef_ExpenseExampleNoRedemptionYear01 40
Expense Example, No Redemption, 3 Years oef_ExpenseExampleNoRedemptionYear03 134
Expense Example, No Redemption, 5 Years oef_ExpenseExampleNoRedemptionYear05 237
Expense Example, No Redemption, 10 Years oef_ExpenseExampleNoRedemptionYear10 $ 538
Pacific Dynamix - Conservative Growth Portfolio | Bloomberg US Aggregate Bond Index (reflects no deductions for fees, expenses, or taxes)  
Prospectus [Line Items] oef_ProspectusLineItems  
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel Bloomberg US Aggregate Bond Index (reflects no deductions for fees, expenses, or taxes)
Average Annual Return, Percent oef_AvgAnnlRtrPct 1.25%
Average Annual Return, Percent oef_AvgAnnlRtrPct (0.33%)
Average Annual Return, Percent oef_AvgAnnlRtrPct 1.35%
Pacific Dynamix - Conservative Growth Portfolio | Pacific Dynamix – Conservative Growth Composite Benchmark (reflects no deductions for fees, expenses, or taxes)  
Prospectus [Line Items] oef_ProspectusLineItems  
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel Pacific Dynamix – Conservative Growth Composite Benchmark (reflects no deductions for fees, expenses, or taxes)
Average Annual Return, Percent oef_AvgAnnlRtrPct 8.35%
Average Annual Return, Percent oef_AvgAnnlRtrPct 4.79%
Average Annual Return, Percent oef_AvgAnnlRtrPct 5.41%
Pacific Dynamix - Conservative Growth Portfolio | S&P 500 Index (reflects no deductions for fees, expenses, or taxes)  
Prospectus [Line Items] oef_ProspectusLineItems  
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel S&P 500 Index (reflects no deductions for fees, expenses, or taxes)
Average Annual Return, Percent oef_AvgAnnlRtrPct 25.02%
Average Annual Return, Percent oef_AvgAnnlRtrPct 14.53%
Average Annual Return, Percent oef_AvgAnnlRtrPct 13.10%
Pacific Dynamix - Conservative Growth Portfolio | Class I  
Prospectus [Line Items] oef_ProspectusLineItems  
Annual Return [Percent] oef_AnnlRtrPct (1.10%)
Annual Return [Percent] oef_AnnlRtrPct 6.84%
Annual Return [Percent] oef_AnnlRtrPct 9.94%
Annual Return [Percent] oef_AnnlRtrPct (3.84%)
Annual Return [Percent] oef_AnnlRtrPct 15.47%
Annual Return [Percent] oef_AnnlRtrPct 12.21%
Annual Return [Percent] oef_AnnlRtrPct 6.44%
Annual Return [Percent] oef_AnnlRtrPct (14.38%)
Annual Return [Percent] oef_AnnlRtrPct 11.68%
Annual Return [Percent] oef_AnnlRtrPct 8.54%
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel Class I (incepted May 1, 2009)
Average Annual Return, Percent oef_AvgAnnlRtrPct 8.54%
Average Annual Return, Percent oef_AvgAnnlRtrPct 4.39%
Average Annual Return, Percent oef_AvgAnnlRtrPct 4.81%
Performance Inception Date oef_PerfInceptionDate May 01, 2009
Pacific Dynamix - Conservative Growth Portfolio | Class P  
Prospectus [Line Items] oef_ProspectusLineItems  
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel Class P (incepted October 31, 2019)
Average Annual Return, Percent oef_AvgAnnlRtrPct 8.75%
Average Annual Return, Percent oef_AvgAnnlRtrPct 4.60%
Average Annual Return, Percent oef_AvgAnnlRtrPct 4.98%
Performance Inception Date oef_PerfInceptionDate Oct. 31, 2019
[1] Acquired Fund Fees and Expenses are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies. As such, they are not reflected in the total annual operating expenses in the Fund’s financial statements.
[2] The investment adviser has agreed to reimburse the Fund to the extent the total operating expenses (excluding extraordinary expenses) of the Fund and its proportionate share of fees and expenses of its Pacific Dynamix Underlying Funds exceed 0.59% for Class I shares and 0.39% for Class P shares through April 30, 2026. Prior to that time, the investment adviser may not terminate this agreement without the approval of the Board of Trustees. The investment adviser may recoup from the Fund amounts reimbursed in future periods, not to exceed three years from the date on which the reimbursement took place, provided that the recoupment combined with certain “Other Expenses” would be limited to the lesser of: (i) the expense cap at the time of the reimbursement or (ii) the Fund’s then-current expense cap.