| Form N-CSR Cover | 6 Months Ended |
| Nov. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | T. ROWE PRICE NEW INCOME FUND, INC. |
| Entity Central Index Key | 0000080249 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Nov. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Nov. 30, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | T. ROWE PRICE NEW INCOME FUND, INC. |
| Entity Central Index Key | 0000080249 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Nov. 30, 2024 |
| C000005529 | |
| Shareholder Report [Line Items] | |
| Fund Name | New Income Fund |
| Class Name | Investor Class |
| Trading Symbol | PRCIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about New Income Fund (the "fund") for the period of June 1, 2024 to November 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Material Fund Change Notice [Text Block] | |
| Additional Information Phone Number | 1‑800‑638‑5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B20"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span> |
| Additional Information Website | www.troweprice.com/prospectus |
| Expenses [Text Block] | What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment New Income Fund - Investor Class $23 0.44% |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.44% |
| AssetsNet | $ 17,446,762,000 |
| Holdings Count | Holding | 1,725 |
| InvestmentCompanyPortfolioTurnover | 57% |
| Additional Fund Statistics Significance or Limits [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $17,446,762 Number of Portfolio Holdings 1,725 |
| Holdings [Text Block] | AAA Rated 8.2 % AA Rated 4.1 A Rated 8.7 BBB Rated 18.5 BB Rated and Below 2.9 Not Rated 0.7 U.S. Government Agency Securities 25.0 U.S. Treasury Securities 30.4 Reserves 1.5 |
| Largest Holdings [Text Block] | U.S. Treasury Notes 20.8 % Federal National Mortgage Assn. 13.2 U.S. Treasury Bonds 9.6 Government National Mortgage Assn. 6.0 Federal Home Loan Mortgage 5.1 Santander Drive Auto Receivables Trust 1.2 Bank of America 0.9 JPMorgan Chase 0.8 UMBS 0.6 Goldman Sachs Group 0.6 |
| Material Fund Change [Text Block] | |
| Updated Prospectus Web Address | www.troweprice.com/paperless |
| C000005530 | |
| Shareholder Report [Line Items] | |
| Fund Name | New Income Fund |
| Class Name | Advisor Class |
| Trading Symbol | PANIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about New Income Fund (the "fund") for the period of June 1, 2024 to November 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Material Fund Change Notice [Text Block] | |
| Additional Information Phone Number | 1‑800‑638‑5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B43"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span> |
| Additional Information Website | www.troweprice.com/prospectus |
| Expenses [Text Block] | What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment New Income Fund - Advisor Class $47 0.92% |
| Expenses Paid, Amount | $ 47 |
| Expense Ratio, Percent | 0.92% |
| AssetsNet | $ 17,446,762,000 |
| Holdings Count | Holding | 1,725 |
| InvestmentCompanyPortfolioTurnover | 57% |
| Additional Fund Statistics Significance or Limits [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $17,446,762 Number of Portfolio Holdings 1,725 |
| Holdings [Text Block] | AAA Rated 8.2 % AA Rated 4.1 A Rated 8.7 BBB Rated 18.5 BB Rated and Below 2.9 Not Rated 0.7 U.S. Government Agency Securities 25.0 U.S. Treasury Securities 30.4 Reserves 1.5 |
| Largest Holdings [Text Block] | U.S. Treasury Notes 20.8 % Federal National Mortgage Assn. 13.2 U.S. Treasury Bonds 9.6 Government National Mortgage Assn. 6.0 Federal Home Loan Mortgage 5.1 Santander Drive Auto Receivables Trust 1.2 Bank of America 0.9 JPMorgan Chase 0.8 UMBS 0.6 Goldman Sachs Group 0.6 |
| Material Fund Change [Text Block] | |
| Updated Prospectus Web Address | www.troweprice.com/paperless |
| C000005531 | |
| Shareholder Report [Line Items] | |
| Fund Name | New Income Fund |
| Class Name | R Class |
| Trading Symbol | RRNIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about New Income Fund (the "fund") for the period of June 1, 2024 to November 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Material Fund Change Notice [Text Block] | |
| Additional Information Phone Number | 1‑800‑638‑5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B66"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span> |
| Additional Information Website | www.troweprice.com/prospectus |
| Expenses [Text Block] | What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment New Income Fund - R Class $55 1.08% |
| Expenses Paid, Amount | $ 55 |
| Expense Ratio, Percent | 1.08% |
| AssetsNet | $ 17,446,762,000 |
| Holdings Count | Holding | 1,725 |
| InvestmentCompanyPortfolioTurnover | 57% |
| Additional Fund Statistics Significance or Limits [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $17,446,762 Number of Portfolio Holdings 1,725 |
| Holdings [Text Block] | AAA Rated 8.2 % AA Rated 4.1 A Rated 8.7 BBB Rated 18.5 BB Rated and Below 2.9 Not Rated 0.7 U.S. Government Agency Securities 25.0 U.S. Treasury Securities 30.4 Reserves 1.5 |
| Largest Holdings [Text Block] | U.S. Treasury Notes 20.8 % Federal National Mortgage Assn. 13.2 U.S. Treasury Bonds 9.6 Government National Mortgage Assn. 6.0 Federal Home Loan Mortgage 5.1 Santander Drive Auto Receivables Trust 1.2 Bank of America 0.9 JPMorgan Chase 0.8 UMBS 0.6 Goldman Sachs Group 0.6 |
| Material Fund Change [Text Block] | |
| Updated Prospectus Web Address | www.troweprice.com/paperless |
| C000159679 | |
| Shareholder Report [Line Items] | |
| Fund Name | New Income Fund |
| Class Name | I Class |
| Trading Symbol | PRXEX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about New Income Fund (the "fund") for the period of June 1, 2024 to November 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Material Fund Change Notice [Text Block] | |
| Additional Information Phone Number | 1‑800‑638‑5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B89"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span> |
| Additional Information Website | www.troweprice.com/prospectus |
| Expenses [Text Block] | What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment New Income Fund - I Class $18 0.35% |
| Expenses Paid, Amount | $ 18 |
| Expense Ratio, Percent | 0.35% |
| AssetsNet | $ 17,446,762,000 |
| Holdings Count | Holding | 1,725 |
| InvestmentCompanyPortfolioTurnover | 57% |
| Additional Fund Statistics Significance or Limits [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $17,446,762 Number of Portfolio Holdings 1,725 |
| Holdings [Text Block] | AAA Rated 8.2 % AA Rated 4.1 A Rated 8.7 BBB Rated 18.5 BB Rated and Below 2.9 Not Rated 0.7 U.S. Government Agency Securities 25.0 U.S. Treasury Securities 30.4 Reserves 1.5 |
| Largest Holdings [Text Block] | U.S. Treasury Notes 20.8 % Federal National Mortgage Assn. 13.2 U.S. Treasury Bonds 9.6 Government National Mortgage Assn. 6.0 Federal Home Loan Mortgage 5.1 Santander Drive Auto Receivables Trust 1.2 Bank of America 0.9 JPMorgan Chase 0.8 UMBS 0.6 Goldman Sachs Group 0.6 |
| Material Fund Change [Text Block] | |
| Updated Prospectus Web Address | www.troweprice.com/paperless |
| C000219349 | |
| Shareholder Report [Line Items] | |
| Fund Name | New Income Fund |
| Class Name | Z Class |
| Trading Symbol | TRVZX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about New Income Fund (the "fund") for the period of June 1, 2024 to November 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com |
| Material Fund Change Notice [Text Block] | |
| Additional Information Phone Number | 1‑800‑638‑5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B112"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span> |
| Additional Information Website | www.troweprice.com/prospectus |
| Expenses [Text Block] | What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment New Income Fund - Z Class $0 0.00% |
| Expenses Paid, Amount | $ 0 |
| Expense Ratio, Percent | 0% |
| AssetsNet | $ 17,446,762,000 |
| Holdings Count | Holding | 1,725 |
| InvestmentCompanyPortfolioTurnover | 57% |
| Additional Fund Statistics Significance or Limits [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $17,446,762 Number of Portfolio Holdings 1,725 |
| Holdings [Text Block] | AAA Rated 8.2 % AA Rated 4.1 A Rated 8.7 BBB Rated 18.5 BB Rated and Below 2.9 Not Rated 0.7 U.S. Government Agency Securities 25.0 U.S. Treasury Securities 30.4 Reserves 1.5 |
| Largest Holdings [Text Block] | U.S. Treasury Notes 20.8 % Federal National Mortgage Assn. 13.2 U.S. Treasury Bonds 9.6 Government National Mortgage Assn. 6.0 Federal Home Loan Mortgage 5.1 Santander Drive Auto Receivables Trust 1.2 Bank of America 0.9 JPMorgan Chase 0.8 UMBS 0.6 Goldman Sachs Group 0.6 |
| Material Fund Change [Text Block] | |
| Updated Prospectus Web Address | www.troweprice.com/paperless |
| Shareholder Report, Holdings (Details) | Nov. 30, 2024 |
| C000005529 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.80% |
| C000005529 | Federal National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| C000005529 | U.S. Treasury Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| C000005529 | Government National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6% |
| C000005529 | Federal Home Loan Mortgage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| C000005529 | Santander Drive Auto Receivables Trust | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| C000005529 | Bank of America | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| C000005529 | JPMorgan Chase | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| C000005529 | UMBS | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000005529 | Goldman Sachs Group | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000005529 | AAA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| C000005529 | AA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000005529 | A Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.70% |
| C000005529 | BBB Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| C000005529 | BB Rated and Below | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000005529 | Not Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| C000005529 | U.S. Government Agency Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 25% |
| C000005529 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.40% |
| C000005529 | Other Holdings Grouping | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| C000005530 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.80% |
| C000005530 | Federal National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| C000005530 | U.S. Treasury Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| C000005530 | Government National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6% |
| C000005530 | Federal Home Loan Mortgage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| C000005530 | Santander Drive Auto Receivables Trust | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| C000005530 | Bank of America | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| C000005530 | JPMorgan Chase | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| C000005530 | UMBS | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000005530 | Goldman Sachs Group | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000005530 | AAA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| C000005530 | AA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000005530 | A Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.70% |
| C000005530 | BBB Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| C000005530 | BB Rated and Below | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000005530 | Not Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| C000005530 | U.S. Government Agency Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 25% |
| C000005530 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.40% |
| C000005530 | Other Holdings Grouping | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| C000005531 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.80% |
| C000005531 | Federal National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| C000005531 | U.S. Treasury Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| C000005531 | Government National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6% |
| C000005531 | Federal Home Loan Mortgage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| C000005531 | Santander Drive Auto Receivables Trust | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| C000005531 | Bank of America | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| C000005531 | JPMorgan Chase | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| C000005531 | UMBS | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000005531 | Goldman Sachs Group | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000005531 | AAA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| C000005531 | AA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000005531 | A Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.70% |
| C000005531 | BBB Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| C000005531 | BB Rated and Below | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000005531 | Not Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| C000005531 | U.S. Government Agency Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 25% |
| C000005531 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.40% |
| C000005531 | Other Holdings Grouping | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| C000159679 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.80% |
| C000159679 | Federal National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| C000159679 | U.S. Treasury Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| C000159679 | Government National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6% |
| C000159679 | Federal Home Loan Mortgage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| C000159679 | Santander Drive Auto Receivables Trust | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| C000159679 | Bank of America | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| C000159679 | JPMorgan Chase | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| C000159679 | UMBS | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000159679 | Goldman Sachs Group | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000159679 | AAA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| C000159679 | AA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000159679 | A Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.70% |
| C000159679 | BBB Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| C000159679 | BB Rated and Below | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000159679 | Not Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| C000159679 | U.S. Government Agency Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 25% |
| C000159679 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.40% |
| C000159679 | Other Holdings Grouping | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| C000219349 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.80% |
| C000219349 | Federal National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| C000219349 | U.S. Treasury Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| C000219349 | Government National Mortgage Assn. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6% |
| C000219349 | Federal Home Loan Mortgage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| C000219349 | Santander Drive Auto Receivables Trust | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| C000219349 | Bank of America | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| C000219349 | JPMorgan Chase | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| C000219349 | UMBS | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000219349 | Goldman Sachs Group | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| C000219349 | AAA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| C000219349 | AA Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000219349 | A Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.70% |
| C000219349 | BBB Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| C000219349 | BB Rated and Below | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000219349 | Not Rated | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| C000219349 | U.S. Government Agency Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 25% |
| C000219349 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.40% |
| C000219349 | Other Holdings Grouping | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
