v3.26.1
Shareholder Report
 6 Months Ended
Jan. 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name Federated Hermes Money Market Obligations Trust
Entity Central Index Key 0000856517
Entity Investment Company Type N-1A
Document Period End Date Jan. 31, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000194027  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Administrative Shares
Trading Symbol GOEXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Administrative Shares
$23
0.45%
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000190786  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Advisor Shares
Trading Symbol GOVXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Shares
$8
0.15%
Expenses Paid, Amount $ 8
Expense Ratio, Percent 0.15%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000026059  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Capital Shares
Trading Symbol GOCXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Capital Shares
$15
0.30%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.30%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000157038  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Cash II Shares
Trading Symbol GFYXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash II Shares
$43
0.84%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.84%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000157039  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Cash Series Shares
Trading Symbol GFSXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash Series Shares
$52
1.02%
Expenses Paid, Amount $ 52
Expense Ratio, Percent 1.02%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000026060  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Institutional Shares
Trading Symbol GOIXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$10
0.20%
Expenses Paid, Amount $ 10
Expense Ratio, Percent 0.20%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000151096  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Premier Shares
Trading Symbol GOFXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Premier Shares
$8
0.15%
Expenses Paid, Amount $ 8
Expense Ratio, Percent 0.15%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000235065  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name SDG Shares
Trading Symbol GPHXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
SDG Shares
$8
0.15%
Expenses Paid, Amount $ 8
Expense Ratio, Percent 0.15%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000168188  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Select Shares
Trading Symbol GRTXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Select Shares
$9
0.18%
Expenses Paid, Amount $ 9
Expense Ratio, Percent 0.18%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000026061  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Service Shares
Trading Symbol GOSXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$21
0.42%
Expenses Paid, Amount $ 21
Expense Ratio, Percent 0.42%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000026062  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Trust Shares
Trading Symbol GORXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Trust Shares
$35
0.68%
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.68%
AssetsNet $ 189,767,196,708
Holdings Count | Holding 153
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$189,767,196,708
  • Number of Investments153
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Government Agency Securities
16.1%
U.S. Treasury Securities
23.3%
Repurchase Agreements
58.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
5.2%
31-90 Days
8.2%
8-30 Days
1.2%
1-7 Days
73.8%
Material Fund Change [Text Block]
C000026156  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Institutional Prime Obligations Fund
Class Name Institutional Shares
Trading Symbol POIXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Institutional Prime Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$9
0.18%
Expenses Paid, Amount $ 9
Expense Ratio, Percent 0.18%
AssetsNet $ 16,584,264,807
Holdings Count | Holding 174
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$16,584,264,807
  • Number of Investments174
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Asset-Backed Securities
0.4%
Bank Note
2.5%
Bank Instruments
11.0%
Variable Rate Instruments
13.8%
Commercial Paper
20.9%
Other Repurchase Agreements and Repurchase Agreements
51.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.7%
91-180 Days
9.8%
31-90 Days
9.5%
8-30 Days
3.2%
1-7 Days
68.8%
Material Fund Change [Text Block]
C000026157  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Institutional Prime Obligations Fund
Class Name Service Shares
Trading Symbol PRSXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Institutional Prime Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$21
0.42%
Expenses Paid, Amount $ 21
Expense Ratio, Percent 0.42%
AssetsNet $ 16,584,264,807
Holdings Count | Holding 174
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$16,584,264,807
  • Number of Investments174
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Asset-Backed Securities
0.4%
Bank Note
2.5%
Bank Instruments
11.0%
Variable Rate Instruments
13.8%
Commercial Paper
20.9%
Other Repurchase Agreements and Repurchase Agreements
51.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.7%
91-180 Days
9.8%
31-90 Days
9.5%
8-30 Days
3.2%
1-7 Days
68.8%
Material Fund Change [Text Block]
C000157048  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Automated Shares
Trading Symbol PTAXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Automated Shares
$25
0.50%
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.50%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000190787  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Advisor Shares
Trading Symbol PCVXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Shares
$10
0.20%
Expenses Paid, Amount $ 10
Expense Ratio, Percent 0.20%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000026149  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Capital Shares
Trading Symbol PCCXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Capital Shares
$15
0.30%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.30%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000157049  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Cash II Shares
Trading Symbol PCDXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash II Shares
$46
0.90%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.90%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000157045  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Cash Series Shares
Trading Symbol PTSXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash Series Shares
$53
1.05%
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.05%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000157046  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Class R Shares
Trading Symbol PTRXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R Shares
$58
1.15%
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.15%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000026148  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Service Shares
Trading Symbol PRCXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$23
0.45%
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000157047  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Trust Shares
Trading Symbol PTTXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Trust Shares
$35
0.68%
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.68%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000026147  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Wealth Shares
Trading Symbol PCOXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Wealth Shares
$10
0.20%
Expenses Paid, Amount $ 10
Expense Ratio, Percent 0.20%
AssetsNet $ 104,029,346,424
Holdings Count | Holding 247
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$104,029,346,424
  • Number of Investments247
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.6%
Bank Instruments
12.5%
Variable Rate Instruments
12.8%
Commercial Paper
18.3%
Other Repurchase Agreements and Repurchase Agreements
50.3%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
10.0%
91-180 Days
8.0%
31-90 Days
9.2%
8-30 Days
3.2%
1-7 Days
67.1%
Material Fund Change [Text Block]
C000242771  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Administrative Shares
Trading Symbol TODXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Administrative Shares
$23
0.45%
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000242768  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Advisor Shares
Trading Symbol TOVXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Shares
$8
0.15%
Expenses Paid, Amount $ 8
Expense Ratio, Percent 0.15%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000026166  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Capital Shares
Trading Symbol TOCXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Capital Shares
$15
0.30%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.30%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000242769  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Cash Management Shares
Trading Symbol TOMXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash Management Shares
$36
0.70%
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.70%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000144363  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Automated Shares
Trading Symbol TOAXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Automated Shares
$25
0.50%
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.50%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000026167  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Institutional Shares
Trading Symbol TOIXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$10
0.20%
Expenses Paid, Amount $ 10
Expense Ratio, Percent 0.20%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000242770  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Premier Shares
Trading Symbol TOPXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Premier Shares
$8
0.15%
Expenses Paid, Amount $ 8
Expense Ratio, Percent 0.15%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000242767  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Select Shares
Trading Symbol TOLXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Select Shares
$9
0.18%
Expenses Paid, Amount $ 9
Expense Ratio, Percent 0.18%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000026168  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Service Shares
Trading Symbol TOSXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$21
0.42%
Expenses Paid, Amount $ 21
Expense Ratio, Percent 0.42%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000026169  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Trust Shares
Trading Symbol TOTXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Trust Shares
$34
0.66%
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.66%
AssetsNet $ 57,927,153,087
Holdings Count | Holding 77
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$57,927,153,087
  • Number of Investments77
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
42.1%
Repurchase Agreements
53.9%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.3%
91-180 Days
9.2%
31-90 Days
8.6%
8-30 Days
1.8%
1-7 Days
68.1%
Material Fund Change [Text Block]
C000157051  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Cash II Shares
Trading Symbol TTIXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash II Shares
$46
0.90%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.90%
AssetsNet $ 13,441,929,033
Holdings Count | Holding 62
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,441,929,033
  • Number of Investments62
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
38.4%
Repurchase Agreements
59.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
7.1%
31-90 Days
8.1%
8-30 Days
1.7%
1-7 Days
71.9%
Material Fund Change [Text Block]
C000157050  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Cash Series Shares
Trading Symbol TCSXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash Series Shares
$53
1.04%
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.04%
AssetsNet $ 13,441,929,033
Holdings Count | Holding 62
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,441,929,033
  • Number of Investments62
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
38.4%
Repurchase Agreements
59.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
7.1%
31-90 Days
8.1%
8-30 Days
1.7%
1-7 Days
71.9%
Material Fund Change [Text Block]
C000026170  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Institutional Shares
Trading Symbol TTOXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$10
0.20%
Expenses Paid, Amount $ 10
Expense Ratio, Percent 0.20%
AssetsNet $ 13,441,929,033
Holdings Count | Holding 62
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,441,929,033
  • Number of Investments62
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
38.4%
Repurchase Agreements
59.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
7.1%
31-90 Days
8.1%
8-30 Days
1.7%
1-7 Days
71.9%
Material Fund Change [Text Block]
C000243030  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Service Shares
Trading Symbol TTQXX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of August 1, 2025 to January 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$23
0.45%
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45%
AssetsNet $ 13,441,929,033
Holdings Count | Holding 62
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,441,929,033
  • Number of Investments62
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
38.4%
Repurchase Agreements
59.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
9.4%
91-180 Days
7.1%
31-90 Days
8.1%
8-30 Days
1.7%
1-7 Days
71.9%
Material Fund Change [Text Block]