v3.26.1
Shareholder Report
 12 Months Ended
Feb. 28, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name CM ADVISORS FAMILY OF FUNDS
Entity Central Index Key 0001208252
Entity Investment Company Type N-1A
Document Period End Date Feb. 28, 2026
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
C000029067  
Shareholder Report [Line Items]  
Fund Name CM Advisors Fixed Income Fund
Trading Symbol CMFIX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about CM Advisors Fixed Income Fund (the "Fund") for the period of March 1, 2025 to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://cmadvisorsfunds.com/our-fund/cm-advisors-fixed-income-fund. You can also request this information by contacting us at (888) 859-5856.
Additional Information Phone Number (888) 859-5856
Additional Information Website <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">https://cmadvisorsfunds.com/our-fund/cm-advisors-fixed-income-fund</span>
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
CM Advisors Fixed Income Fund
$91
0.87%
Expenses Paid, Amount $ 91
Expense Ratio, Percent 0.87%
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]
Growth of 10K Chart
Table Summary
CM Advisors Fixed Income Fund
Bloomberg U.S. Aggregate Bond Index
Feb-2016
$10,000
$10,000
Feb-2017
$10,795
$10,142
Feb-2018
$10,842
$10,193
Feb-2019
$10,901
$10,516
Feb-2020
$11,135
$11,744
Feb-2021
$11,349
$11,907
Feb-2022
$11,482
$11,592
Feb-2023
$11,201
$10,465
Feb-2024
$12,374
$10,813
Feb-2025
$13,090
$11,441
Feb-2026
$14,318
$12,158
Average Annual Return [Table Text Block]

Average Annual Total Returns 

Table Summary
1 Year
5 Years
10 Years
CM Advisors Fixed Income Fund
9.38%
4.76%
3.65%
Bloomberg U.S. Aggregate Bond Index
6.26%
0.42%
1.97%

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. For updated performance call (888) 859-5856.
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.
AssetsNet $ 31,708,972
Holdings Count | Holding 87
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 29.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$31,708,972
  • Number of Portfolio Holdings87
  • Advisory Fee (net of waivers)$0
  • Portfolio Turnover29%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
11.7%
Corporate Bonds
73.5%
Money Market Funds
5.2%
U.S. Treasury Obligations
9.6%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
1.9%
Consumer Staples
0.3%
Real Estate
0.6%
Health Care
1.3%
Communication Services
2.7%
Utilities
3.9%
Information Technology
4.1%
Money Market Funds
5.1%
Consumer Discretionary
8.4%
U.S. Treasury Obligations
9.4%
Industrials
10.0%
Materials
12.7%
Financials
15.8%
Energy
23.8%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
PHI Group, Inc.
11.5%
JPMorgan Chase & Company, 1.100%, due 06/22/26
2.0%
Occidental Petroleum Corporation, 7.875%, due 09/15/31
2.0%
United Rentals North America, Inc., 5.250%, due 01/15/30
1.9%
Exelon Corporation, 7.600%, due 04/01/32
1.8%
Olin Corporation, 5.000%, due 02/01/30
1.8%
Masco Corporation, 7.750%, due 08/01/29
1.7%
Western Gas Partners L.P., 4.650%, due 07/01/26
1.7%
Polaris, Inc., 6.950%, due 03/15/29
1.7%
Citigroup, Inc., 5.000%, due 06/18/29
1.7%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the year ended February 28, 2026.