| Form N-CSR Cover | 6 Months Ended |
| Jun. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Value Line Core Bond Fund |
| Entity Central Index Key | 0000783316 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Jun. 30, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Value Line Core Bond Fund |
| Entity Central Index Key | 0000783316 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| C000020574 | |
| Shareholder Report [Line Items] | |
| Fund Name | Value Line Core Bond Fund |
| Class Name | Investor |
| Trading Symbol | VAGIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Value Line Core Bond Fund for the period of January 1, 2024 to June 30, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.vlfunds.com investorservices vlfunds.com |
| Additional Information Phone Number | 1-800-243-2729 |
| Additional Information Email | investorservices@vlfunds.com</span>" id="sjs-B19"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">investorservices@vlfunds.com</span> |
| Additional Information Website | www.vlfunds.com</span>" id="sjs-B20"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">www.vlfunds.com</span> |
| Expenses [Text Block] | What were the Fund costs for last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Investor Class $40 0.80% |
| Expenses Paid, Amount | $ 40 |
| Expense Ratio, Percent | 0.80% |
| Factors Affecting Performance [Text Block] | How did the fund perform last six months and what affected its performance? The Fund's Investor Class generated a total return of -0.93% during the six months ended June 30, 2024. This compares to the -0.71% return of the Fund’s benchmark, the Bloomberg US Aggregate Bond Index (the “Bloomberg Index”), during the same semiannual period. The Fund modestly underperformed its benchmark on a relative basis due primarily to its duration and yield curve positioning. Early in the semiannual period, the Fund held a duration slightly longer than that of the Bloomberg Index based on our expectations of a slowdown in inflation and the U.S. Federal Reserve (Fed) beginning to cut interest rates by mid-2024. However, with the moderate resurgence of inflation that occurred during the first calendar quarter and as interest rates rose in reaction, such duration positioning detracted. By the end of the second calendar quarter, we had reduced the Fund’s duration to a modestly short position relative to the Bloomberg Index. Yield curve positioning hurt relative results, as the Fund was positioned with an emphasis on long-dated bonds, i.e., those with maturities of 30 years, given our expectations for slowing inflation and economic growth and a likely flattening of the yield curve. However, this scenario did not materialize. Sector allocation decisions overall contributed positively. Having an overweighted allocation to corporate bonds, particularly BBB-rated bonds, contributed most positively to the Fund’s relative performance. Corporate bonds outperformed other key sectors, and BBB-rated corporate bonds outperformed higher-rated credits during the semiannual period. Having an underweighted allocation to U.S. Treasuries also helped, as this sector underperformed the Bloomberg Index during the semiannual period. Issue selection as a whole added value, albeit modestly. Within the mortgage-backed securities sector, a focus on higher-coupon securities helped offset the sector’s weak performance. Issue selection among U.S. Treasuries overall also buoyed results, though positions in long-dated U.S. Treasuries were among the Fund’s biggest individual detractors. |
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represent past performance and are no guarantee of future performance. The investment return and principal value of an investment will fluctuate so that an investment, when redeemed, may be worth more or less than its original cost. The performance data includes reinvestments of all dividends and distributions but does not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares.</p>" id="sjs-B25"><p style="box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">The performance data quoted represent past performance and are no guarantee of future performance. The investment return and principal value of an investment will fluctuate so that an investment, when redeemed, may be worth more or less than its original cost. The performance data includes reinvestments of all dividends and distributions but does not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares.</p> |
| Line Graph [Table Text Block] | Value Line Core Bond Fund-Investor Class Bloomberg U.S. Aggregate Bond Index 06/14 $10,000 $10,000 07/14 $9,956 $9,975 08/14 $10,051 $10,085 09/14 $9,947 $10,017 10/14 $10,042 $10,115 11/14 $10,098 $10,187 12/14 $10,094 $10,196 01/15 $10,285 $10,410 02/15 $10,212 $10,312 03/15 $10,246 $10,360 04/15 $10,214 $10,323 05/15 $10,189 $10,298 06/15 $10,075 $10,186 07/15 $10,138 $10,257 08/15 $10,111 $10,242 09/15 $10,168 $10,311 10/15 $10,175 $10,313 11/15 $10,148 $10,286 12/15 $10,116 $10,252 01/16 $10,248 $10,393 02/16 $10,301 $10,467 03/16 $10,392 $10,563 04/16 $10,442 $10,604 05/16 $10,428 $10,606 06/16 $10,576 $10,797 07/16 $10,654 $10,865 08/16 $10,648 $10,853 09/16 $10,636 $10,847 10/16 $10,565 $10,764 11/16 $10,316 $10,509 12/16 $10,335 $10,524 01/17 $10,351 $10,544 02/17 $10,423 $10,615 03/17 $10,411 $10,610 04/17 $10,492 $10,692 05/17 $10,574 $10,774 06/17 $10,569 $10,763 07/17 $10,616 $10,809 08/17 $10,690 $10,906 09/17 $10,652 $10,854 10/17 $10,664 $10,861 11/17 $10,650 $10,847 12/17 $10,693 $10,897 01/18 $10,574 $10,771 02/18 $10,458 $10,669 03/18 $10,496 $10,737 04/18 $10,423 $10,658 05/18 $10,481 $10,734 06/18 $10,459 $10,720 07/18 $10,454 $10,723 08/18 $10,519 $10,792 09/18 $10,457 $10,722 10/18 $10,370 $10,638 11/18 $10,415 $10,701 12/18 $10,554 $10,898 01/19 $10,677 $11,014 02/19 $10,682 $11,007 03/19 $10,875 $11,218 04/19 $10,881 $11,221 05/19 $11,054 $11,421 06/19 $11,208 $11,564 07/19 $11,233 $11,589 08/19 $11,515 $11,890 09/19 $11,447 $11,826 10/19 $11,478 $11,862 11/19 $11,460 $11,856 12/19 $11,452 $11,848 01/20 $11,669 $12,076 02/20 $11,863 $12,293 03/20 $11,523 $12,221 04/20 $11,774 $12,438 05/20 $11,855 $12,496 06/20 $11,956 $12,575 07/20 $12,147 $12,762 08/20 $12,067 $12,659 09/20 $12,045 $12,652 10/20 $11,988 $12,596 11/20 $12,086 $12,720 12/20 $12,113 $12,737 01/21 $12,036 $12,646 02/21 $11,850 $12,463 03/21 $11,731 $12,308 04/21 $11,823 $12,405 05/21 $11,861 $12,445 06/21 $11,923 $12,533 07/21 $12,030 $12,673 08/21 $11,998 $12,649 09/21 $11,890 $12,539 10/21 $11,872 $12,536 11/21 $11,885 $12,573 12/21 $11,848 $12,541 01/22 $11,600 $12,271 02/22 $11,471 $12,134 03/22 $11,173 $11,796 04/22 $10,800 $11,349 05/22 $10,822 $11,422 06/22 $10,672 $11,243 07/22 $10,908 $11,518 08/22 $10,633 $11,192 09/22 $10,197 $10,709 10/22 $10,056 $10,570 11/22 $10,378 $10,959 12/22 $10,358 $10,909 01/23 $10,670 $11,245 02/23 $10,394 $10,954 03/23 $10,629 $11,232 04/23 $10,684 $11,300 05/23 $10,565 $11,177 06/23 $10,537 $11,137 07/23 $10,524 $11,130 08/23 $10,456 $11,059 09/23 $10,183 $10,778 10/23 $10,017 $10,607 11/23 $10,465 $11,088 12/23 $10,847 $11,512 01/24 $10,829 $11,481 02/24 $10,666 $11,318 03/24 $10,765 $11,423 04/24 $10,489 $11,134 05/24 $10,665 $11,323 06/24 $10,746 $11,430 |
| Average Annual Return [Table Text Block] | 1 Year 5 Years 10 Years Investor Class 1.98% (0.84%) 0.72% Bloomberg U.S. Aggregate Bond Index 2.63% (0.23%) 1.35% |
| AssetsNet | $ 36,167,736 |
| Holdings Count | Holding | 181 |
| InvestmentCompanyPortfolioTurnover | 23% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $36,167,736 # of Portfolio Holdings 181 Portfolio Turnover Rate 23% |
| Holdings [Text Block] | Asset Allocation Value Value Bonds & Notes 97.5% Cash & Other Assets - Net 2.5% |
| Largest Holdings [Text Block] | Ten Largest Holdings U.S. Treasury Notes, 4.500% , 07/15/26 2.6% FNMA Pool #FM9834, 3.500% , 06/01/49 2.5% FNMA Pool #BX7762, 5.000% , 03/01/53 2.5% FHLMC Pool #SD8256, 4.000% , 10/01/52 2.5% U.S. Treasury Notes, 4.000% , 02/15/34 2.3% U.S. Treasury Notes, 3.375% , 05/15/33 2.2% U.S. Treasury Bonds, 2.875% , 05/15/43 2.1% U.S. Treasury Notes, 4.625% , 02/28/26 2.1% U.S. Treasury Bonds, 3.000% , 02/15/48 2.0% FNMA Pool #MA5106, 5.000% , 08/01/53 2.0% |
| Material Fund Change [Text Block] | |
| Updated Prospectus Phone Number | 800-243-2729 |
| Updated Prospectus Email Address | investorservices@vlfunds.com</span>" id="sjs-B36"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">investorservices@vlfunds.com</span> |
| Shareholder Report, Line Graph (Details) - USD ($) | 6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Jun. 30, 2024 | May 31, 2024 | Apr. 30, 2024 | Mar. 31, 2024 | Feb. 29, 2024 | Jan. 31, 2024 | Dec. 31, 2023 | Nov. 30, 2023 | Oct. 31, 2023 | Sep. 30, 2023 | Aug. 31, 2023 | Jul. 31, 2023 | Jun. 30, 2023 | May 31, 2023 | Apr. 30, 2023 | Mar. 31, 2023 | Feb. 28, 2023 | Jan. 31, 2023 | Dec. 31, 2022 | Nov. 30, 2022 | Oct. 31, 2022 | Sep. 30, 2022 | Aug. 31, 2022 | Jul. 31, 2022 | Jun. 30, 2022 | May 31, 2022 | Apr. 30, 2022 | Mar. 31, 2022 | Feb. 28, 2022 | Jan. 31, 2022 | Dec. 31, 2021 | Nov. 30, 2021 | Oct. 31, 2021 | Sep. 30, 2021 | Aug. 31, 2021 | Jul. 31, 2021 | Jun. 30, 2021 | May 31, 2021 | Apr. 30, 2021 | Mar. 31, 2021 | Feb. 28, 2021 | Jan. 31, 2021 | Dec. 31, 2020 | Nov. 30, 2020 | Oct. 31, 2020 | Sep. 30, 2020 | Aug. 31, 2020 | Jul. 31, 2020 | Jun. 30, 2020 | May 31, 2020 | Apr. 30, 2020 | Mar. 31, 2020 | Feb. 29, 2020 | Jan. 31, 2020 | Dec. 31, 2019 | Nov. 30, 2019 | Oct. 31, 2019 | Sep. 30, 2019 | Aug. 31, 2019 | Jul. 31, 2019 | Jun. 30, 2019 | May 31, 2019 | Apr. 30, 2019 | Mar. 31, 2019 | Feb. 28, 2019 | Jan. 31, 2019 | Dec. 31, 2018 | Nov. 30, 2018 | Oct. 31, 2018 | Sep. 30, 2018 | Aug. 31, 2018 | Jul. 31, 2018 | Jun. 30, 2018 | May 31, 2018 | Apr. 30, 2018 | Mar. 31, 2018 | Feb. 28, 2018 | Jan. 31, 2018 | Dec. 31, 2017 | Nov. 30, 2017 | Oct. 31, 2017 | Sep. 30, 2017 | Aug. 31, 2017 | Jul. 31, 2017 | Jun. 30, 2017 | May 31, 2017 | Apr. 30, 2017 | Mar. 31, 2017 | Feb. 28, 2017 | Jan. 31, 2017 | Dec. 31, 2016 | Nov. 30, 2016 | Oct. 31, 2016 | Sep. 30, 2016 | Aug. 31, 2016 | Jul. 31, 2016 | Jun. 30, 2016 | May 31, 2016 | Apr. 30, 2016 | Mar. 31, 2016 | Feb. 29, 2016 | Jan. 31, 2016 | Dec. 31, 2015 | Nov. 30, 2015 | Oct. 31, 2015 | Sep. 30, 2015 | Aug. 31, 2015 | Jul. 31, 2015 | Jun. 30, 2015 | May 31, 2015 | Apr. 30, 2015 | Mar. 31, 2015 | Feb. 28, 2015 | Jan. 31, 2015 | Dec. 31, 2014 | Nov. 30, 2014 | Oct. 31, 2014 | Sep. 30, 2014 | Aug. 31, 2014 | Jul. 31, 2014 | Jun. 30, 2014 | |
| C000020574 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Value Line Core Bond Fund-Investor Class | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 10,746 | $ 10,665 | $ 10,489 | $ 10,765 | $ 10,666 | $ 10,829 | $ 10,847 | $ 10,465 | $ 10,017 | $ 10,183 | $ 10,456 | $ 10,524 | $ 10,537 | $ 10,565 | $ 10,684 | $ 10,629 | $ 10,394 | $ 10,670 | $ 10,358 | $ 10,378 | $ 10,056 | $ 10,197 | $ 10,633 | $ 10,908 | $ 10,672 | $ 10,822 | $ 10,800 | $ 11,173 | $ 11,471 | $ 11,600 | $ 11,848 | $ 11,885 | $ 11,872 | $ 11,890 | $ 11,998 | $ 12,030 | $ 11,923 | $ 11,861 | $ 11,823 | $ 11,731 | $ 11,850 | $ 12,036 | $ 12,113 | $ 12,086 | $ 11,988 | $ 12,045 | $ 12,067 | $ 12,147 | $ 11,956 | $ 11,855 | $ 11,774 | $ 11,523 | $ 11,863 | $ 11,669 | $ 11,452 | $ 11,460 | $ 11,478 | $ 11,447 | $ 11,515 | $ 11,233 | $ 11,208 | $ 11,054 | $ 10,881 | $ 10,875 | $ 10,682 | $ 10,677 | $ 10,554 | $ 10,415 | $ 10,370 | $ 10,457 | $ 10,519 | $ 10,454 | $ 10,459 | $ 10,481 | $ 10,423 | $ 10,496 | $ 10,458 | $ 10,574 | $ 10,693 | $ 10,650 | $ 10,664 | $ 10,652 | $ 10,690 | $ 10,616 | $ 10,569 | $ 10,574 | $ 10,492 | $ 10,411 | $ 10,423 | $ 10,351 | $ 10,335 | $ 10,316 | $ 10,565 | $ 10,636 | $ 10,648 | $ 10,654 | $ 10,576 | $ 10,428 | $ 10,442 | $ 10,392 | $ 10,301 | $ 10,248 | $ 10,116 | $ 10,148 | $ 10,175 | $ 10,168 | $ 10,111 | $ 10,138 | $ 10,075 | $ 10,189 | $ 10,214 | $ 10,246 | $ 10,212 | $ 10,285 | $ 10,094 | $ 10,098 | $ 10,042 | $ 9,947 | $ 10,051 | $ 9,956 | $ 10,000 |
| VALUELINE INDEX: BLOOMBERG U.S. AGGREGATE BOND INDEX | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Bond Index | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value | $ 11,430 | $ 11,323 | $ 11,134 | $ 11,423 | $ 11,318 | $ 11,481 | $ 11,512 | $ 11,088 | $ 10,607 | $ 10,778 | $ 11,059 | $ 11,130 | $ 11,137 | $ 11,177 | $ 11,300 | $ 11,232 | $ 10,954 | $ 11,245 | $ 10,909 | $ 10,959 | $ 10,570 | $ 10,709 | $ 11,192 | $ 11,518 | $ 11,243 | $ 11,422 | $ 11,349 | $ 11,796 | $ 12,134 | $ 12,271 | $ 12,541 | $ 12,573 | $ 12,536 | $ 12,539 | $ 12,649 | $ 12,673 | $ 12,533 | $ 12,445 | $ 12,405 | $ 12,308 | $ 12,463 | $ 12,646 | $ 12,737 | $ 12,720 | $ 12,596 | $ 12,652 | $ 12,659 | $ 12,762 | $ 12,575 | $ 12,496 | $ 12,438 | $ 12,221 | $ 12,293 | $ 12,076 | $ 11,848 | $ 11,856 | $ 11,862 | $ 11,826 | $ 11,890 | $ 11,589 | $ 11,564 | $ 11,421 | $ 11,221 | $ 11,218 | $ 11,007 | $ 11,014 | $ 10,898 | $ 10,701 | $ 10,638 | $ 10,722 | $ 10,792 | $ 10,723 | $ 10,720 | $ 10,734 | $ 10,658 | $ 10,737 | $ 10,669 | $ 10,771 | $ 10,897 | $ 10,847 | $ 10,861 | $ 10,854 | $ 10,906 | $ 10,809 | $ 10,763 | $ 10,774 | $ 10,692 | $ 10,610 | $ 10,615 | $ 10,544 | $ 10,524 | $ 10,509 | $ 10,764 | $ 10,847 | $ 10,853 | $ 10,865 | $ 10,797 | $ 10,606 | $ 10,604 | $ 10,563 | $ 10,467 | $ 10,393 | $ 10,252 | $ 10,286 | $ 10,313 | $ 10,311 | $ 10,242 | $ 10,257 | $ 10,186 | $ 10,298 | $ 10,323 | $ 10,360 | $ 10,312 | $ 10,410 | $ 10,196 | $ 10,187 | $ 10,115 | $ 10,017 | $ 10,085 | $ 9,975 | $ 10,000 |
| Shareholder Report, Average Annual Return (Details) | 6 Months Ended | 12 Months Ended | 60 Months Ended | 120 Months Ended |
| Jun. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2024 | |
| C000020574 | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Value Line Core Bond Fund-Investor Class | |||
| Without Sales Load [Member] | C000020574 | ||||
| Average Annual Return [Line Items] | ||||
| Average Annual Return, Percent | 1.98% | (0.84%) | 0.72% | |
| VALUELINE INDEX: BLOOMBERG U.S. AGGREGATE BOND INDEX | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Bond Index | |||
| Average Annual Return, Percent | 2.63% | (0.23%) | 1.35% |
| Shareholder Report, Holdings (Details) - C000020574 | Jun. 30, 2024 |
| U.S. Treasury NotesFR_91282CHM6 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| FNMA Pool #FM9834FR_3140XD4U7 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| FNMA Pool #BX7762FR_3140NCTU3 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| FHLMC Pool #SD8256FR_3132DWE58 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| U.S. Treasury NotesFR_91282CJZ5 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| U.S. Treasury NotesFR_91282CHC8 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| U.S. Treasury BondsFR_912810RB6 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| U.S. Treasury NotesFR_91282CKB6 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| U.S. Treasury BondsFR_912810SA7 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| FNMA Pool #MA5106FR_31418EU81 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Sector Fixed IncomeUtilities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.20% |
| Sector Fixed IncomeCommercial Mortgage-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| Sector Fixed IncomeIndustrial | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.80% |
| Sector Fixed IncomeBasic Materials | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.90% |
| Sector Fixed IncomeCollateralized Mortgage Obligations | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.30% |
| Sector Fixed IncomeCommunications | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| Sector Fixed IncomeTechnology | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| Sector Fixed IncomeConsumer, Cyclical | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.30% |
| Sector Fixed IncomeEnergy | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.10% |
| Sector Fixed IncomeConsumer, Non-cyclical | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.30% |
| Sector Fixed IncomeFinancial | |
| Holdings [Line Items] | |
| Percent of Total Investments | 11.50% |
| Sector Fixed IncomeResidential Mortgage-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Total Investments | 28.90% |
| Sector Fixed IncomeGovernment | |
| Holdings [Line Items] | |
| Percent of Total Investments | 30.80% |
| AssetBonds & Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.50% |
| Asset Other Net Line | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
