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Shareholder Report
 12 Months Ended
Nov. 30, 2025
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name GoodHaven Funds Trust
Entity Central Index Key 0001661813
Entity Investment Company Type N-1A
Document Period End Date Nov. 30, 2025
Shareholder Report Annual or Semi-Annual annual shareholder report
GoodHaven Fund  
Shareholder Report [Line Items]  
Fund Name GoodHaven Fund
Class Name GoodHaven Fund
Trading Symbol GOODX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the GoodHaven Fund for the period of December 1, 2024, to November 30, 2025.
Additional Information [Text Block] You can find additional information about the Fund, including the most recent Shareholder letter, at https://www.goodhavenfunds.com/communications/. You can also request this information by contacting us at 1-855-654-6639.
Additional Information Phone Number 1-855-654-6639
Additional Information Website https://www.goodhavenfunds.com/communications/
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE PAST YEAR? (based on a hypothetical $10,000 investment)
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
GoodHaven Fund
$111
1.10%
Expenses Paid, Amount $ 111
Expense Ratio, Percent 1.10%
Factors Affecting Performance [Text Block]
HOW DID THE FUND PERFORM LAST YEAR AND WHAT AFFECTED ITS PERFORMANCE?
The Fund’s investments having the most positive impact on portfolio performance for the twelve-month period ending November 30, 2025 were: Alphabet, which rose amidst strong earnings, a positive outcome to a legal case, and a better overall outlook. Berkshire Hathaway rose amidst  continued solid operating earnings. The largest detractor was Builders FirstSource which declined amidst a weak single family home construction market and lower lumber prices.
The Fund’s turnover rate of 9%, a measure of how frequently assets within a fund are bought and sold by the manager, remains at reasonably low levels and is consistent with the strategies, generally long-term in nature, of GoodHaven Capital Management LLC, the Fund’s investment advisor.
Performance Past Does Not Indicate Future [Text] The Fund’s past performance is not a good predictor of how the Fund will perform in the future.
Line Graph [Table Text Block]
image
Average Annual Return [Table Text Block]
ANNUAL AVERAGE TOTAL RETURN (%)
 
1 Year
5 Year
10 Year
GoodHaven Fund (without sales charge)
1.13
16.08
10.64
S&P 500 TR
15.00
15.28
14.63
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Updated Performance Information Location [Text Block]
Visit https://www.goodhavenfunds.com/performance/ for more recent performance information.
Net Assets $ 261,686,649
Holdings Count | $ / shares 26
Advisory Fees Paid, Amount $ 2,406,699
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of November 30, 2025)
Net Assets
$261,686,649
Number of Holdings
26
Net Advisory Fee
$2,406,699
Portfolio Turnover
9%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (% of net assets as of  November 30, 2025)
Top 10 Issuers
(%)
Berkshire Hathaway, Inc. - Class B
16.9%
Alphabet, Inc. - Class C
10.3%
Bank of America Corp.
6.6%
United States Treasury Bills
6.3%
TerraVest Industries, Inc.
5.5%
Jefferies Financial Group, Inc.
5.3%
Chubb Ltd.
5.0%
EXOR NV
5.0%
Devon Energy Corp.
4.7%
Lennar Corp. - Class B
4.4%
Top Industries
(%)
Diversified Holding Companies
16.9%
Interactive Media & Services
10.3%
Oil & Gas Exploration & Production
8.9%
Property/Casualty Insurance
8.1%
Investment Management
7.7%
Banks-Diversified
7.5%
Oil & Gas Equipment & Services
5.5%
Capital Markets
5.3%
Home Builder
5.2%
Cash & Other
24.6%
Updated Prospectus Web Address https://www.goodhavenfunds.com/