Commerce Funds N-CSR 6 Jan 25 Certified annual shareholder report (management investment company) Financial data

Form N-CSR Cover

Form N-CSR Cover	12 Months Ended
	Oct. 31, 2024
Shareholder Report [Line Items]
Document Type	N-CSR
Amendment Flag	false
Registrant Name	COMMERCE FUNDS
Entity Central Index Key	0000926243
Entity Investment Company Type	N-1A
Document Period End Date	Oct. 31, 2024

Shareholder Report

Shareholder Report		12 Months Ended
	Nov. 01, 2023	Oct. 31, 2024 USD ($) Holding
Shareholder Report [Line Items]
Document Type		N-CSR
Amendment Flag		false
Registrant Name		COMMERCE FUNDS
Entity Central Index Key		0000926243
Entity Investment Company Type		N-1A
Document Period End Date		Oct. 31, 2024
C000027719
Shareholder Report [Line Items]
Fund Name		Commerce Growth Fund
Trading Symbol		CFGRX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce Growth Fund for the period of November 1, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Commerce Growth Fund $88 0.73%
Expenses Paid, Amount		$ 88
Expense Ratio, Percent		0.73%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? Over the one-year period ended October 31, 2024, the Commerce Growth Fund generated an annualized total return of 40.89% vs 43.77% annualized total return of the Russell 1000 Growth Index for the same period. Top Contributors to Performance Underweight position in the Consumer Discretionary and the Consumer Staples sectors. Strong security selection in the Consumer Staples sector with strong performance from Costco Wholesale Corporation (COST) (1.21%) and Performance Food Group Company (PFGC) (1.01%). Strong security selection in the Information Technology sector with strong results from NVIDIA Corporation (NVDA) (10.59%) and Broadcom Inc (AVGO) (2.36%) Top Detractors from Performance Underweight position to the Communication Services sector. Weak security selection in the Consumer Discretionary sector with poor performance from Lululemon Athletica, Inc (LULU) (0.00%)and Starbucks Corporation (SBUX) (0.00%). Weak security selection in the Industrials sector with weak results from Rockwell Automation, Inc. (ROK) (0.85%) and Lincoln Electric Holdings, Inc. (LECO) (0.00%).
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Average Annual Return [Table Text Block]		AATR 1 Year 5 Years 10 Years Commerce Growth Fund 40.89% 16.31% 15.03% Russell 1000 ® 38.07% 15.00% 12.75% Russell 1000 ® 43.77% 19.00% 16.18%
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown and, in their absence, performance would be reduced. 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]
AssetsNet		$ 240,610,559
Holdings Count | Holding		59
Advisory Fees Paid, Amount		$ 937,930
InvestmentCompanyPortfolioTurnover		31%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $240,610,559 # of Portfolio Holdings 59 Portfolio Turnover Rate 31% Total Advisory Fees Paid $937,930
Holdings [Text Block]		Sector Allocation (% of Total Net Assets) Value Value Other 0.9% Materials 0.9% Energy 1.9% Consumer Staples 3.1% Industrials 5.6% Financials 7.0% Health Care 8.4% Communication Services 11.9% Consumer Discretionary 14.0% Information Technology 46.4%
Largest Holdings [Text Block]		Top Ten Corporate Issuers (% of Total Net Assets) Apple, Inc. 11.4% NVIDIA Corp. 10.6% Microsoft Corp. 10.2% Alphabet, Inc. A 6.1% Amazon.com, Inc. 5.5% Meta Platforms, Inc. A 3.8% Broadcom, Inc. 2.4% Tesla, Inc. 2.2% Eli Lilly & Co. 2.1% Visa, Inc. A 1.3%
Material Fund Change [Text Block]
C000246257
Shareholder Report [Line Items]
Fund Name		Commerce MidCap Value Fund
Trading Symbol		CFMVX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce MidCap Value Fund for the period of November 13, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Footnote Reference Commerce MidCap Value Fund $77 0.70% Footnote Reference Footnote Description Footnote * Reflects fee waiver and/or expense reimbursements, without which expenses would have been higher. Footnote ** Annualized
Expenses Paid, Amount		$ 77
Expense Ratio, Percent		0.70%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? From the period November 13, 2023 (commencement of operation) to October 31, 2024, the Commerce MidCap Value Fund generated a total return of 28.82% vs 29.36% total return of the Russell MidCap Value Index for the same period. Top Contributors to Performance Underweight position in the Health Care sector. Strong security selection in the Energy sector with strong performance from ONEOK, Inc. (OKE) (1.22%) and Texas Pacific Land Corporation (TPL) (1.59%). Strong security selection in the Health Care sector with strong results from HCA Healthcare, Inc. (HCA) (1.07%) and Quest Diagnostics, Inc. (DGX) (1.19%). Top Detractors from Performance Overweight position to the Information Technology sector. Weak security selection in the Consumer Discretionary sector with poor performance from Advance Auto Parts, Inc. (AAP) (1.03%) and Whirlpool Corporation (WHR) (0.00%). Weak security selection in the Industrials sector with weak results from Huntington Ingalls Industries, Inc. (HII) (0.83%) and C.H. Robinson Worldwide, Inc. (CHRW) (0.00%).
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Average Annual Return [Table Text Block]		AATR Since Inception 11/13/23 Commerce MidCap Value Fund 28.82% Russell 1000 ® 31.19% Russell Midcap ® 29.36%
Performance Inception Date		Nov. 13, 2023
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown and, in their absence, performance would be reduced. 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]
AssetsNet		$ 38,880,038
Holdings Count | Holding		82
Advisory Fees Paid, Amount		$ 0
InvestmentCompanyPortfolioTurnover		51%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $38,880,038 # of Portfolio Holdings 82 Portfolio Turnover Rate 51% Total Advisory Fees Paid $0
Holdings [Text Block]		Sector Allocation (% of Total Net Assets) Value Value Other 11.2% Energy 5.3% Materials 7.1% Utilities 7.2% Health Care 8.1% Information Technology 8.2% Consumer Discretionary 9.4% Real Estate 9.5% Industrials 16.5% Financials 17.5%
Largest Holdings [Text Block]		Top Ten Issuers (% of Total Net Assets) iShares Russell Mid-Cap Value ETF 3.7% Texas Pacific Land Corp. 1.6% Allison Transmission Holdings, Inc. 1.4% Williams Cos., Inc. 1.4% Unum Group 1.4% Digital Realty Trust, Inc. 1.4% Travel & Leisure Co. 1.3% Corning, Inc. 1.3% Cummins, Inc. 1.3% U.S. Bancorp 1.3%
Material Fund Change [Text Block]
C000027723
Shareholder Report [Line Items]
Fund Name		Commerce MidCap Growth Fund
Trading Symbol		CFAGX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce MidCap Growth Fund for the period of November 1, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Commerce MidCap Growth Fund $94 0.83%
Expenses Paid, Amount		$ 94
Expense Ratio, Percent		0.83%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? Over the one-year period ended October 31, 2024, the Commerce MidCap Growth Fund generated an annualized total return of 27.32% vs 38.67% annualized total return of the Russell MidCap Growth Index for the same period. Top Contributors to Performance Overweight position in the Real Estate sector. Strong security selection in the Consumer Staples sector with strong performance from Casey’s General Stores, Inc. (CASY) (1.22%). Strong security selection in the Energy sector with strong results from Targa Resources Corp. (TRGP) (1.34%) and Texas Pacific Land Corporation (TPL) (1.71%). Strong security selection in the Materials sector with strong performance from RPM International, Inc. (RPM) (1.25%). Top Detractors from Performance Overweight position to the Consumer Staples sector. Weak security selection in the Consumer Discretionary sector with poor performance from Five Below Inc (FIVE) (0.00%) and ULTA Beauty Inc (ULTA) (0.00%). Weak security selection in the Financials sector with weak results from Coinbase Global Inc (COIN) (0.00%). Weak security selection in the Industrials sector with poor performance from Paycom Software Inc (PAYC) (0.00%) and C.H. Robinson Worldwide Inc (CHRW) (0.00%).
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Average Annual Return [Table Text Block]		AATR 1 Year 5 Years 10 Years Commerce Midcap Growth Fund 27.32% 9.67% 10.81% Russell 1000 ® 38.07% 15.00% 12.75% Russell Midcap ® 38.67% 11.46% 11.19%
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. 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]
AssetsNet		$ 213,008,446
Holdings Count | Holding		82
Advisory Fees Paid, Amount		$ 1,057,032
InvestmentCompanyPortfolioTurnover		60%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $213,008,446 # of Portfolio Holdings 82 Portfolio Turnover Rate 60% Total Advisory Fees Paid $1,057,032
Holdings [Text Block]		Sector Allocation (% of Total Net Assets) Value Value Other 6.7% Exchange Traded Fund 3.4% Consumer Staples 3.7% Communication Services 3.8% Energy 4.3% Consumer Discretionary 11.3% Health Care 13.3% Financials 14.1% Industrials 15.9% Information Technology 23.4%
Largest Holdings [Text Block]		Top Ten Issuers (% of Total Net Assets) iShares Russell Mid-Cap Growth ETF 3.3% Texas Pacific Land Corp. 1.7% Blue Owl Capital, Inc. 1.5% Apollo Global Management, Inc. 1.5% Exelixis, Inc. 1.4% Booz Allen Hamilton Holding Corp. 1.4% Palantir Technologies, Inc. A 1.4% Trade Desk, Inc. A 1.4% Ameriprise Financial, Inc. 1.4% EMCOR Group, Inc. 1.3%
Material Fund Change [Text Block]
C000027721
Shareholder Report [Line Items]
Fund Name		Commerce Value Fund
Trading Symbol		CFVLX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce Value Fund for the period of November 1, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Commerce Value Fund $79 0.70%
Expenses Paid, Amount		$ 79
Expense Ratio, Percent		0.70%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? Over the one-year period ended October 31, 2024, the Commerce Value Fund generated an annualized total return of 26.48% vs 30.98% annualized total return of the Russell 1000 Value Index for the same period. Top Contributors to Performance Underweight position in the Health Care sector. Strong security selection in the Energy sector with strong performance from ONEOK, Inc. (OKE) (1.25%) and Valero Energy Corporation (VLO) (0.00%). Strong security selection in the Information Technology sector with strong results from Oracle Corporation (ORCL) (1.98%) and Texas Instruments, Inc. (TXN) (1.95%). Top Detractors from Performance Underweight position to the Real Estate sector. Weak security selection in the Consumer Staples sector with poor performance from PepsiCo, Inc. (PEP) (1.84%) and Mondelez International, Inc. Class A (MDLZ) (1.77%). Weak security selection in the Industrials sector with weak results from United Parcel Service, Inc. (UPS) (0.00%) and A.O. Smith Corporation (AOS) (1.10%).
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Average Annual Return [Table Text Block]		AATR 1 Year 5 Years 10 Years Commerce Value Fund 26.48% 8.01% 8.70% Russell 1000 ® 38.07% 15.00% 12.75% Russell 1000 ® 30.98% 10.14% 8.87%
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown and, in their absence, performance would be reduced. 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]
AssetsNet		$ 271,075,082
Holdings Count | Holding		58
Advisory Fees Paid, Amount		$ 808,528
InvestmentCompanyPortfolioTurnover		46%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $271,075,082 # of Portfolio Holdings 58 Portfolio Turnover Rate 46% Total Advisory Fees Paid $808,528
Holdings [Text Block]		Sector Allocation (% of Total Net Assets) Value Value Other 9.6% Real Estate 4.7% Utilities 4.9% Consumer Discretionary 6.3% Energy 7.4% Consumer Staples 7.7% Information Technology 10.3% Industrials 11.3% Health Care 14.0% Financials 23.7%
Largest Holdings [Text Block]		Top Ten Issuers (% of Total Net Assets) JPMorgan Chase & Co. 3.1% Chevron Corp. 3.0% Duke Energy Corp. 2.4% iShares Russell 1000 Value ETF 2.4% Apollo Global Management, Inc. 2.4% Verizon Communications, Inc. 2.3% Morgan Stanley 2.3% Blackstone, Inc. 2.1% Cisco Systems, Inc. 2.1% Air Products & Chemicals, Inc. 2.1%
Material Fund Change [Text Block]
C000027729
Shareholder Report [Line Items]
Fund Name		Commerce Bond Fund
Trading Symbol		CFBNX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce Bond Fund for the period of November 1, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Commerce Bond Fund $70 0.66%
Expenses Paid, Amount		$ 70
Expense Ratio, Percent		0.66%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? Over the one-year period that ended October 31, 2024, the Fund generated a cumulative total return of 11.05%, outperforming the Bloomberg U.S. Aggregate Bond Index which returned 10.55% for the same period. Top Contributors to Performance Moving the Fund’s target duration from below the benchmark’s duration to neutral. Maintaining an overweight position in the corporate bond sector allowed the Fund to capture some excess return relative to Treasuries. Maintaining an overweight in BBB-rated holdings contributed to enhancing the Fund’s return. Top Detractors from Performance An underweight position in bonds with 25-30 years remaining to maturity relative to the benchmark diminished returns as longer-maturity bonds outperformed shorter-maturity bonds. Security selection in the Aerospace sector, which underperformed the benchmark. Raising exposure to the Treasury sector
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Line Graph [Table Text Block]		Fund Bloomberg US Aggregate Bond Index 10/14 $10,000 $10,000 11/14 $10,059 $10,071 12/14 $10,056 $10,080 01/15 $10,247 $10,292 02/15 $10,172 $10,195 03/15 $10,210 $10,242 04/15 $10,189 $10,206 05/15 $10,174 $10,181 06/15 $10,079 $10,070 07/15 $10,118 $10,140 08/15 $10,096 $10,125 09/15 $10,155 $10,194 10/15 $10,149 $10,196 11/15 $10,132 $10,169 12/15 $10,067 $10,136 01/16 $10,135 $10,275 02/16 $10,178 $10,348 03/16 $10,309 $10,443 04/16 $10,393 $10,483 05/16 $10,406 $10,486 06/16 $10,586 $10,674 07/16 $10,671 $10,742 08/16 $10,683 $10,730 09/16 $10,681 $10,723 10/16 $10,636 $10,641 11/16 $10,429 $10,390 12/16 $10,466 $10,404 01/17 $10,506 $10,425 02/17 $10,583 $10,495 03/17 $10,569 $10,489 04/17 $10,656 $10,570 05/17 $10,760 $10,651 06/17 $10,753 $10,641 07/17 $10,813 $10,687 08/17 $10,905 $10,782 09/17 $10,862 $10,731 10/17 $10,895 $10,737 11/17 $10,885 $10,723 12/17 $10,941 $10,773 01/18 $10,845 $10,649 02/18 $10,751 $10,548 03/18 $10,801 $10,615 04/18 $10,725 $10,536 05/18 $10,793 $10,611 06/18 $10,758 $10,598 07/18 $10,776 $10,601 08/18 $10,838 $10,669 09/18 $10,789 $10,600 10/18 $10,699 $10,517 11/18 $10,733 $10,579 12/18 $10,876 $10,774 01/19 $10,990 $10,888 02/19 $11,013 $10,882 03/19 $11,224 $11,091 04/19 $11,261 $11,094 05/19 $11,440 $11,291 06/19 $11,591 $11,432 07/19 $11,630 $11,458 08/19 $11,898 $11,755 09/19 $11,830 $11,692 10/19 $11,865 $11,727 11/19 $11,865 $11,721 12/19 $11,851 $11,713 01/20 $12,101 $11,938 02/20 $12,281 $12,153 03/20 $11,673 $12,082 04/20 $11,990 $12,297 05/20 $12,141 $12,354 06/20 $12,321 $12,432 07/20 $12,556 $12,617 08/20 $12,489 $12,515 09/20 $12,494 $12,509 10/20 $12,437 $12,453 11/20 $12,631 $12,575 12/20 $12,694 $12,592 01/21 $12,638 $12,502 02/21 $12,484 $12,321 03/21 $12,366 $12,168 04/21 $12,483 $12,264 05/21 $12,546 $12,304 06/21 $12,640 $12,390 07/21 $12,764 $12,529 08/21 $12,742 $12,505 09/21 $12,641 $12,397 10/21 $12,636 $12,393 11/21 $12,655 $12,430 12/21 $12,624 $12,398 01/22 $12,366 $12,131 02/22 $12,201 $11,996 03/22 $11,881 $11,662 04/22 $11,497 $11,220 05/22 $11,501 $11,292 06/22 $11,329 $11,115 07/22 $11,571 $11,387 08/22 $11,317 $11,065 09/22 $10,840 $10,587 10/22 $10,692 $10,450 11/22 $11,017 $10,834 12/22 $11,020 $10,785 01/23 $11,373 $11,117 02/23 $11,128 $10,829 03/23 $11,357 $11,104 04/23 $11,452 $11,172 05/23 $11,329 $11,050 06/23 $11,296 $11,011 07/23 $11,307 $11,003 08/23 $11,261 $10,933 09/23 $11,007 $10,655 10/23 $10,850 $10,487 11/23 $11,307 $10,962 12/23 $11,745 $11,381 01/24 $11,744 $11,350 02/24 $11,611 $11,190 03/24 $11,723 $11,293 04/24 $11,446 $11,008 05/24 $11,626 $11,194 06/24 $11,760 $11,300 07/24 $11,974 $11,564 08/24 $12,163 $11,731 09/24 $12,338 $11,888 10/24 $12,050 $11,593
Average Annual Return [Table Text Block]		AATR 1 Year 5 Years 10 Years Commerce Bond Fund 11.05% 0.31% 1.88% Bloomberg US Aggregate Bond Index 10.55% (0.23%) 1.49%
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown and, in their absence, performance would be reduced. 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]
AssetsNet		$ 1,189,317,085
Holdings Count | Holding		458
Advisory Fees Paid, Amount		$ 4,156,458
InvestmentCompanyPortfolioTurnover		17%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $1,189,317,085 # of Portfolio Holdings 458 Portfolio Turnover Rate 17% Total Advisory Fees Paid $4,156,458
Holdings [Text Block]		Sector Allocation (% of Total Net Assets) Value Value Other 5.4% Industrial 2.0% Consumer, Cyclical 2.2% Energy 3.4% Utilities 4.5% Consumer, Non-cyclical 6.2% Asset Backed Securities 12.3% Financial 16.7% Mortgage Securities 22.6% Government 24.1%
Material Fund Change [Text Block]
C000027717
Shareholder Report [Line Items]
Fund Name		Commerce Kansas Tax-Free Intermediate Bond Fund
Trading Symbol		KTXIX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce Kansas Tax-Free Intermediate Bond Fund for the period of November 1, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Material Fund Change Notice [Text Block]		This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Footnote Reference Commerce Kansas Tax-Free Intermediate Bond Fund $73 0.70% Footnote Description Footnote * Reflects fee waiver and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount		$ 73
Expense Ratio, Percent		0.70%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? Over the one-year period ended October 31, 2024, the Kansas Tax-Free Intermediate Bond Fund generated an annualized total return of 8.38% vs 7.86% annualized total return of the Bloomberg 3-15 Year Blend Municipal Bond Index for the same period. Top Contributors to Performance: Longer duration positioning. Overweight to the Hospital and Lease sectors. Relative outperformance of bonds with maturities six years and longer. Top Detractors from Performance: Relative overweight to general obligation bonds versus revenue sectors. Average credit quality had a negative effect. Underweight to the Transportation, Higher Education, and Industrial Development Revenue/Pollution Control Revenue sectors.
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Line Graph [Table Text Block]		Fund Bloomberg Municipal Bond Index Bloomberg 3-15 Year Blend Municipal Bond Index 10/14 $10,000 $10,000 $10,000 11/14 $10,013 $10,017 $10,012 12/14 $10,037 $10,068 $10,041 01/15 $10,220 $10,246 $10,207 02/15 $10,145 $10,141 $10,109 03/15 $10,168 $10,170 $10,132 04/15 $10,130 $10,116 $10,091 05/15 $10,116 $10,089 $10,059 06/15 $10,104 $10,079 $10,058 07/15 $10,154 $10,152 $10,124 08/15 $10,173 $10,172 $10,143 09/15 $10,234 $10,246 $10,222 10/15 $10,257 $10,287 $10,264 11/15 $10,271 $10,328 $10,289 12/15 $10,317 $10,400 $10,349 01/16 $10,420 $10,524 $10,481 02/16 $10,428 $10,541 $10,500 03/16 $10,447 $10,574 $10,512 04/16 $10,508 $10,652 $10,581 05/16 $10,516 $10,681 $10,586 06/16 $10,658 $10,851 $10,729 07/16 $10,655 $10,857 $10,743 08/16 $10,662 $10,872 $10,749 09/16 $10,617 $10,818 $10,709 10/16 $10,539 $10,704 $10,611 11/16 $10,223 $10,305 $10,234 12/16 $10,296 $10,426 $10,343 01/17 $10,331 $10,495 $10,421 02/17 $10,383 $10,568 $10,494 03/17 $10,402 $10,591 $10,514 04/17 $10,465 $10,667 $10,596 05/17 $10,599 $10,837 $10,750 06/17 $10,560 $10,798 $10,705 07/17 $10,618 $10,885 $10,790 08/17 $10,676 $10,968 $10,867 09/17 $10,624 $10,912 $10,812 10/17 $10,653 $10,939 $10,829 11/17 $10,601 $10,880 $10,736 12/17 $10,701 $10,994 $10,835 01/18 $10,593 $10,865 $10,726 02/18 $10,557 $10,832 $10,693 03/18 $10,587 $10,872 $10,720 04/18 $10,546 $10,833 $10,689 05/18 $10,637 $10,957 $10,797 06/18 $10,641 $10,967 $10,814 07/18 $10,661 $10,993 $10,850 08/18 $10,664 $11,022 $10,871 09/18 $10,612 $10,950 $10,807 10/18 $10,553 $10,883 $10,757 11/18 $10,675 $11,003 $10,874 12/18 $10,803 $11,135 $11,002 01/19 $10,880 $11,219 $11,101 02/19 $10,935 $11,279 $11,158 03/19 $11,052 $11,458 $11,297 04/19 $11,073 $11,501 $11,321 05/19 $11,196 $11,659 $11,468 06/19 $11,239 $11,702 $11,516 07/19 $11,311 $11,797 $11,612 08/19 $11,445 $11,983 $11,758 09/19 $11,368 $11,887 $11,656 10/19 $11,376 $11,908 $11,686 11/19 $11,384 $11,938 $11,714 12/19 $11,408 $11,974 $11,753 01/20 $11,577 $12,189 $11,947 02/20 $11,694 $12,346 $12,069 03/20 $11,498 $11,899 $11,688 04/20 $11,429 $11,749 $11,593 05/20 $11,748 $12,123 $11,944 06/20 $11,742 $12,223 $12,020 07/20 $11,858 $12,429 $12,203 08/20 $11,815 $12,370 $12,157 09/20 $11,812 $12,373 $12,167 10/20 $11,779 $12,336 $12,135 11/20 $11,875 $12,522 $12,282 12/20 $11,900 $12,598 $12,346 01/21 $11,908 $12,678 $12,409 02/21 $11,771 $12,477 $12,236 03/21 $11,826 $12,554 $12,299 04/21 $11,882 $12,659 $12,384 05/21 $11,896 $12,697 $12,403 06/21 $11,911 $12,732 $12,420 07/21 $11,980 $12,837 $12,519 08/21 $11,959 $12,790 $12,491 09/21 $11,874 $12,698 $12,408 10/21 $11,854 $12,661 $12,369 11/21 $11,917 $12,769 $12,441 12/21 $11,926 $12,789 $12,461 01/22 $11,644 $12,439 $12,133 02/22 $11,607 $12,395 $12,094 03/22 $11,318 $11,993 $11,749 04/22 $10,994 $11,661 $11,482 05/22 $11,165 $11,834 $11,652 06/22 $10,996 $11,641 $11,543 07/22 $11,264 $11,948 $11,821 08/22 $11,015 $11,686 $11,606 09/22 $10,634 $11,238 $11,228 10/22 $10,571 $11,144 $11,179 11/22 $11,018 $11,666 $11,599 12/22 $11,059 $11,699 $11,660 01/23 $11,324 $12,035 $11,940 02/23 $11,057 $11,763 $11,702 03/23 $11,282 $12,024 $11,940 04/23 $11,234 $11,996 $11,908 05/23 $11,105 $11,892 $11,793 06/23 $11,186 $12,012 $11,886 07/23 $11,199 $12,059 $11,934 08/23 $11,065 $11,885 $11,801 09/23 $10,753 $11,537 $11,513 10/23 $10,638 $11,439 $11,458 11/23 $11,251 $12,165 $12,051 12/23 $11,507 $12,448 $12,295 01/24 $11,466 $12,384 $12,243 02/24 $11,475 $12,400 $12,255 03/24 $11,453 $12,400 $12,254 04/24 $11,345 $12,246 $12,117 05/24 $11,273 $12,210 $12,035 06/24 $11,421 $12,397 $12,199 07/24 $11,505 $12,510 $12,310 08/24 $11,591 $12,609 $12,421 09/24 $11,683 $12,734 $12,528 10/24 $11,530 $12,548 $12,358
Average Annual Return [Table Text Block]		AATR 1 Year 5 Years 10 Years Commerce Kansas Tax-Free Intermediate Bond Fund 8.38% 0.27% 1.43% Bloomberg Municipal Bond Index 9.70% 1.05% 2.30% Bloomberg 3-15 Year Blend Municipal Bond Index 7.86% 1.12% 2.14%
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown and, in their absence, performance would be reduced. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Material Change Date	Nov. 01, 2023
Updated Performance Information Location [Text Block]
AssetsNet		$ 118,231,184
Holdings Count | Holding		120
Advisory Fees Paid, Amount		$ 414,989
InvestmentCompanyPortfolioTurnover		28%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $118,231,184 # of Portfolio Holdings 120 Portfolio Turnover Rate 28% Total Advisory Fees Paid $414,989
Holdings [Text Block]		Sector Allocation (% of Total Net Assets) Value Value Other 1.0% Power 1.7% Prerefunded/Escrow to Maturity 2.3% Higher Education 2.6% Water/Sewer 4.1% Transportation 4.2% Limited Tax 8.8% Hospital 11.1% Lease 12.5% General Obligations 51.0%
Material Fund Change [Text Block]		Material Fund Changes This is a summary of certain changes to the Fund since November 1, 2023. For more complete information, you may review the Fund's current prospectus and any applicable supplements and the Fund's next prospectus, which we expect to be available by March 1, 2025, at https://www.commercefunds.com/literature-and-resources/prospectus-and-guide or upon request at 1-800-995-6365 or email commercefunds commercebank.com. In February 2024, the Fund's dollar-weighted average portfolio maturity range changed from "three to ten years" to "five to twelve years," which means that the Fund's dollar-weighted average portfolio maturity may be slightly longer than in the past.
Material Fund Change Strategies [Text Block]		In February 2024, the Fund's dollar-weighted average portfolio maturity range changed from "three to ten years" to "five to twelve years," which means that the Fund's dollar-weighted average portfolio maturity may be slightly longer than in the past.
C000027715
Shareholder Report [Line Items]
Fund Name		Commerce Missouri Tax-Free Intermediate Bond Fund
Trading Symbol		CFMOX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce Missouri Tax-Free Intermediate Bond Fund for the period of November 1, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Material Fund Change Notice [Text Block]		This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Footnote Reference Commerce Missouri Tax-Free Intermediate Bond Fund $73 0.70% Footnote Description Footnote * Reflects fee waiver and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount		$ 73
Expense Ratio, Percent		0.70%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? Over the one-year period ended October 31, 2024, the Missouri Tax-Free Intermediate Bond Fund generated an annualized total return of 8.89% vs 7.86% annualized total return of the Bloomberg 3-15 Year Blend Municipal Bond Index for the same period. Top Contributors to Performance: Longer duration positioning supported returns on a relative basis. Overweight to the Hospital, Housing, and Lease sectors. Relative outperformance of bonds with maturities six years and longer. Top Detractors from Performance: Average credit quality had a negative effect. Underweight to the Transportation, Higher Education, and Industrial Development Revenue/Pollution Control Revenue sectors. The Fund’s cash position was a slight drag on relative performance.
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Line Graph [Table Text Block]		Fund Bloomberg Municipal Bond Index Bloomberg 3-15 Year Blend Municipal Bond Index 10/14 $10,000 $10,000 $10,000 11/14 $10,019 $10,017 $10,012 12/14 $10,053 $10,068 $10,041 01/15 $10,223 $10,246 $10,207 02/15 $10,142 $10,141 $10,109 03/15 $10,167 $10,170 $10,132 04/15 $10,130 $10,116 $10,091 05/15 $10,114 $10,089 $10,059 06/15 $10,103 $10,079 $10,058 07/15 $10,153 $10,152 $10,124 08/15 $10,168 $10,172 $10,143 09/15 $10,232 $10,246 $10,222 10/15 $10,247 $10,287 $10,264 11/15 $10,275 $10,328 $10,289 12/15 $10,322 $10,400 $10,349 01/16 $10,438 $10,524 $10,481 02/16 $10,450 $10,541 $10,500 03/16 $10,465 $10,574 $10,512 04/16 $10,528 $10,652 $10,581 05/16 $10,537 $10,681 $10,586 06/16 $10,670 $10,851 $10,729 07/16 $10,674 $10,857 $10,743 08/16 $10,679 $10,872 $10,749 09/16 $10,652 $10,818 $10,709 10/16 $10,577 $10,704 $10,611 11/16 $10,243 $10,305 $10,234 12/16 $10,329 $10,426 $10,343 01/17 $10,367 $10,495 $10,421 02/17 $10,439 $10,568 $10,494 03/17 $10,466 $10,591 $10,514 04/17 $10,532 $10,667 $10,596 05/17 $10,668 $10,837 $10,750 06/17 $10,641 $10,798 $10,705 07/17 $10,701 $10,885 $10,790 08/17 $10,772 $10,968 $10,867 09/17 $10,717 $10,912 $10,812 10/17 $10,756 $10,939 $10,829 11/17 $10,706 $10,880 $10,736 12/17 $10,794 $10,994 $10,835 01/18 $10,668 $10,865 $10,726 02/18 $10,635 $10,832 $10,693 03/18 $10,672 $10,872 $10,720 04/18 $10,628 $10,833 $10,689 05/18 $10,733 $10,957 $10,797 06/18 $10,733 $10,967 $10,814 07/18 $10,742 $10,993 $10,850 08/18 $10,758 $11,022 $10,871 09/18 $10,707 $10,950 $10,807 10/18 $10,639 $10,883 $10,757 11/18 $10,763 $11,003 $10,874 12/18 $10,881 $11,135 $11,002 01/19 $10,954 $11,219 $11,101 02/19 $11,005 $11,279 $11,158 03/19 $11,140 $11,458 $11,297 04/19 $11,167 $11,501 $11,321 05/19 $11,302 $11,659 $11,468 06/19 $11,346 $11,702 $11,516 07/19 $11,423 $11,797 $11,612 08/19 $11,558 $11,983 $11,758 09/19 $11,480 $11,887 $11,656 10/19 $11,487 $11,908 $11,686 11/19 $11,501 $11,938 $11,714 12/19 $11,526 $11,974 $11,753 01/20 $11,678 $12,189 $11,947 02/20 $11,797 $12,346 $12,069 03/20 $11,584 $11,899 $11,688 04/20 $11,505 $11,749 $11,593 05/20 $11,791 $12,123 $11,944 06/20 $11,809 $12,223 $12,020 07/20 $11,915 $12,429 $12,203 08/20 $11,879 $12,370 $12,157 09/20 $11,874 $12,373 $12,167 10/20 $11,843 $12,336 $12,135 11/20 $11,938 $12,522 $12,282 12/20 $11,972 $12,598 $12,346 01/21 $11,989 $12,678 $12,409 02/21 $11,884 $12,477 $12,236 03/21 $11,924 $12,554 $12,299 04/21 $11,989 $12,659 $12,384 05/21 $12,012 $12,697 $12,403 06/21 $12,030 $12,732 $12,420 07/21 $12,108 $12,837 $12,519 08/21 $12,078 $12,790 $12,491 09/21 $11,989 $12,698 $12,408 10/21 $11,971 $12,661 $12,369 11/21 $12,049 $12,769 $12,441 12/21 $12,054 $12,789 $12,461 01/22 $11,777 $12,439 $12,133 02/22 $11,723 $12,395 $12,094 03/22 $11,439 $11,993 $11,749 04/22 $11,148 $11,661 $11,482 05/22 $11,310 $11,834 $11,652 06/22 $11,164 $11,641 $11,543 07/22 $11,424 $11,948 $11,821 08/22 $11,162 $11,686 $11,606 09/22 $10,790 $11,238 $11,228 10/22 $10,729 $11,144 $11,179 11/22 $11,181 $11,666 $11,599 12/22 $11,205 $11,699 $11,660 01/23 $11,500 $12,035 $11,940 02/23 $11,238 $11,763 $11,702 03/23 $11,473 $12,024 $11,940 04/23 $11,444 $11,996 $11,908 05/23 $11,310 $11,892 $11,793 06/23 $11,398 $12,012 $11,886 07/23 $11,412 $12,059 $11,934 08/23 $11,283 $11,885 $11,801 09/23 $10,963 $11,537 $11,513 10/23 $10,805 $11,439 $11,458 11/23 $11,474 $12,165 $12,051 12/23 $11,751 $12,448 $12,295 01/24 $11,709 $12,384 $12,243 02/24 $11,718 $12,400 $12,255 03/24 $11,696 $12,400 $12,254 04/24 $11,586 $12,246 $12,117 05/24 $11,495 $12,210 $12,035 06/24 $11,644 $12,397 $12,199 07/24 $11,742 $12,510 $12,310 08/24 $11,828 $12,609 $12,421 09/24 $11,940 $12,734 $12,528 10/24 $11,766 $12,548 $12,358
Average Annual Return [Table Text Block]		AATR 1 Year 5 Years 10 Years Commerce Missouri Tax-Free Intermediate Bond Fund 8.89% 0.48% 1.64% Bloomberg Municipal Bond Index 9.70% 1.05% 2.30% Bloomberg 3-15 Year Blend Municipal Bond Index 7.86% 1.12% 2.14%
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown and, in their absence, performance would be reduced. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Material Change Date	Nov. 01, 2023
Updated Performance Information Location [Text Block]
AssetsNet		$ 238,610,359
Holdings Count | Holding		221
Advisory Fees Paid, Amount		$ 957,390
InvestmentCompanyPortfolioTurnover		29%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $238,610,359 # of Portfolio Holdings 221 Portfolio Turnover Rate 29% Total Advisory Fees Paid $957,390
Holdings [Text Block]		Sector Allocation (% of Total Net Assets) Value Value Other 0.4% Water/Sewer 0.5% Power 1.3% Higher Education 4.0% Single Family Housing 4.1% Limited Tax 5.6% Transportation 5.7% Hospital 12.0% General Obligations 25.9% Lease 40.7%
Material Fund Change [Text Block]		Material Fund Changes This is a summary of certain changes to the Fund since November 1, 2023. For more complete information, you may review the Fund's current prospectus and any applicable supplements and the Fund's next prospectus, which we expect to be available by March 1, 2025, at https://www.commercefunds.com/literature-and-resources/prospectus-and-guide or upon request at 1-800-995-6365 or email commercefunds commercebank.com. In February 2024, the Fund's dollar-weighted average portfolio maturity range changed from "three to ten years" to "five to twelve years," which means that the Fund's dollar-weighted average portfolio maturity may be slightly longer than in the past.
Material Fund Change Strategies [Text Block]		In February 2024, the Fund's dollar-weighted average portfolio maturity range changed from "three to ten years" to "five to twelve years," which means that the Fund's dollar-weighted average portfolio maturity may be slightly longer than in the past.
C000027733
Shareholder Report [Line Items]
Fund Name		Commerce National Tax-Free Intermediate Bond Fund
Trading Symbol		CFNLX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce National Tax-Free Intermediate Bond Fund for the period of November 1, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Material Fund Change Notice [Text Block]		This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Commerce National Tax-Free Intermediate Bond Fund $66 0.63%
Expenses Paid, Amount		$ 66
Expense Ratio, Percent		0.63%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? Over the one-year period ended October 31, 2024, the National Tax-Free Intermediate Bond Fund generated an annualized total return of 8.99% vs 7.86% annualized total return of the Bloomberg 3-15 Year Blend Municipal Bond Index for the same period. Top Contributors to Performance: Longer duration positioning supported returns on a relative basis. Overweight to the Hospital, Housing, Lease, Higher Education and Limited Tax sectors. Relative outperformance of bonds with maturities six years and longer. Top Detractors from Performance: Average credit quality had a negative effect. Underweight to the Transportation and Industrial Development Revenue/Pollution Control Revenue sectors. The Fund’s cash position was a slight drag on relative performance.
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Line Graph [Table Text Block]		Fund Bloomberg Municipal Bond Index Bloomberg 3-15 Year Blend Municipal Bond Index 10/14 $10,000 $10,000 $10,000 11/14 $10,017 $10,017 $10,012 12/14 $10,058 $10,068 $10,041 01/15 $10,225 $10,246 $10,207 02/15 $10,135 $10,141 $10,109 03/15 $10,174 $10,170 $10,132 04/15 $10,129 $10,116 $10,091 05/15 $10,106 $10,089 $10,059 06/15 $10,083 $10,079 $10,058 07/15 $10,143 $10,152 $10,124 08/15 $10,161 $10,172 $10,143 09/15 $10,238 $10,246 $10,222 10/15 $10,263 $10,287 $10,264 11/15 $10,293 $10,328 $10,289 12/15 $10,356 $10,400 $10,349 01/16 $10,495 $10,524 $10,481 02/16 $10,499 $10,541 $10,500 03/16 $10,528 $10,574 $10,512 04/16 $10,589 $10,652 $10,581 05/16 $10,597 $10,681 $10,586 06/16 $10,755 $10,851 $10,729 07/16 $10,752 $10,857 $10,743 08/16 $10,765 $10,872 $10,749 09/16 $10,737 $10,818 $10,709 10/16 $10,649 $10,704 $10,611 11/16 $10,272 $10,305 $10,234 12/16 $10,361 $10,426 $10,343 01/17 $10,412 $10,495 $10,421 02/17 $10,482 $10,568 $10,494 03/17 $10,512 $10,591 $10,514 04/17 $10,592 $10,667 $10,596 05/17 $10,738 $10,837 $10,750 06/17 $10,708 $10,798 $10,705 07/17 $10,765 $10,885 $10,790 08/17 $10,844 $10,968 $10,867 09/17 $10,781 $10,912 $10,812 10/17 $10,821 $10,939 $10,829 11/17 $10,757 $10,880 $10,736 12/17 $10,859 $10,994 $10,835 01/18 $10,718 $10,865 $10,726 02/18 $10,683 $10,832 $10,693 03/18 $10,718 $10,872 $10,720 04/18 $10,677 $10,833 $10,689 05/18 $10,780 $10,957 $10,797 06/18 $10,783 $10,967 $10,814 07/18 $10,797 $10,993 $10,850 08/18 $10,818 $11,022 $10,871 09/18 $10,749 $10,950 $10,807 10/18 $10,680 $10,883 $10,757 11/18 $10,803 $11,003 $10,874 12/18 $10,945 $11,135 $11,002 01/19 $11,028 $11,219 $11,101 02/19 $11,090 $11,279 $11,158 03/19 $11,230 $11,458 $11,297 04/19 $11,257 $11,501 $11,321 05/19 $11,415 $11,659 $11,468 06/19 $11,458 $11,702 $11,516 07/19 $11,547 $11,797 $11,612 08/19 $11,705 $11,983 $11,758 09/19 $11,615 $11,887 $11,656 10/19 $11,629 $11,908 $11,686 11/19 $11,637 $11,938 $11,714 12/19 $11,669 $11,974 $11,753 01/20 $11,851 $12,189 $11,947 02/20 $11,981 $12,346 $12,069 03/20 $11,732 $11,899 $11,688 04/20 $11,634 $11,749 $11,593 05/20 $11,955 $12,123 $11,944 06/20 $11,990 $12,223 $12,020 07/20 $12,142 $12,429 $12,203 08/20 $12,100 $12,370 $12,157 09/20 $12,105 $12,373 $12,167 10/20 $12,073 $12,336 $12,135 11/20 $12,172 $12,522 $12,282 12/20 $12,214 $12,598 $12,346 01/21 $12,242 $12,678 $12,409 02/21 $12,093 $12,477 $12,236 03/21 $12,132 $12,554 $12,299 04/21 $12,207 $12,659 $12,384 05/21 $12,246 $12,697 $12,403 06/21 $12,255 $12,732 $12,420 07/21 $12,341 $12,837 $12,519 08/21 $12,309 $12,790 $12,491 09/21 $12,222 $12,698 $12,408 10/21 $12,195 $12,661 $12,369 11/21 $12,264 $12,769 $12,441 12/21 $12,263 $12,789 $12,461 01/22 $11,956 $12,439 $12,133 02/22 $11,911 $12,395 $12,094 03/22 $11,596 $11,993 $11,749 04/22 $11,300 $11,661 $11,482 05/22 $11,468 $11,834 $11,652 06/22 $11,331 $11,641 $11,543 07/22 $11,610 $11,948 $11,821 08/22 $11,344 $11,686 $11,606 09/22 $10,963 $11,238 $11,228 10/22 $10,907 $11,144 $11,179 11/22 $11,356 $11,666 $11,599 12/22 $11,389 $11,699 $11,660 01/23 $11,686 $12,035 $11,940 02/23 $11,402 $11,763 $11,702 03/23 $11,645 $12,024 $11,940 04/23 $11,609 $11,996 $11,908 05/23 $11,479 $11,892 $11,793 06/23 $11,561 $12,012 $11,886 07/23 $11,582 $12,059 $11,934 08/23 $11,452 $11,885 $11,801 09/23 $11,134 $11,537 $11,513 10/23 $11,005 $11,439 $11,458 11/23 $11,657 $12,165 $12,051 12/23 $11,937 $12,448 $12,295 01/24 $11,896 $12,384 $12,243 02/24 $11,902 $12,400 $12,255 03/24 $11,895 $12,400 $12,254 04/24 $11,780 $12,246 $12,117 05/24 $11,709 $12,210 $12,035 06/24 $11,868 $12,397 $12,199 07/24 $11,969 $12,510 $12,310 08/24 $12,065 $12,609 $12,421 09/24 $12,174 $12,734 $12,528 10/24 $11,994 $12,548 $12,358
Average Annual Return [Table Text Block]		AATR 1 Year 5 Years 10 Years Commerce National Tax-Free Intermediate Bond Fund 8.99% 0.62% 1.83% Bloomberg Municipal Bond Index 9.70% 1.05% 2.30% Bloomberg 3-15 Year Blend Municipal Bond Index 7.86% 1.12% 2.14%
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown and, in their absence, performance would be reduced. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Material Change Date	Nov. 01, 2023
Updated Performance Information Location [Text Block]
AssetsNet		$ 369,425,514
Holdings Count | Holding		351
Advisory Fees Paid, Amount		$ 1,278,487
InvestmentCompanyPortfolioTurnover		39%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $369,425,514 # of Portfolio Holdings 351 Portfolio Turnover Rate 39% Total Advisory Fees Paid $1,278,487
Holdings [Text Block]		Sector Allocation (% of Total Net Assets) Value Value Student 2.9% Water/Sewer 3.3% Single Family Housing 5.0% Other 5.4% Higher Education 8.1% Transportation 10.1% Limited Tax 11.5% Lease 14.5% Hospital 15.7% General Obligations 22.3%
Material Fund Change [Text Block]		Material Fund Changes This is a summary of certain changes to the Fund since November 1, 2023. For more complete information, you may review the Fund's current prospectus and any applicable supplements and the Fund's next prospectus, which we expect to be available by March 1, 2025, at https://www.commercefunds.com/literature-and-resources/prospectus-and-guide or upon request at 1-800-995-6365 or email commercefunds commercebank.com. In February 2024, the Fund's dollar-weighted average portfolio maturity range changed from "three to ten years" to "five to twelve years," which means that the Fund's dollar-weighted average portfolio maturity may be slightly longer than in the past.
Material Fund Change Strategies [Text Block]		In February 2024, the Fund's dollar-weighted average portfolio maturity range changed from "three to ten years" to "five to twelve years," which means that the Fund's dollar-weighted average portfolio maturity may be slightly longer than in the past.
C000027731
Shareholder Report [Line Items]
Fund Name		Commerce Short-Term Government Fund
Trading Symbol		CFSTX
Annual or Semi-Annual Statement [Text Block]		This Annual shareholder report contains important information about Commerce Short-Term Government Fund for the period of November 1, 2023 to October 31, 2024.
Shareholder Report Annual or Semi-Annual		Annual Shareholder Report
Additional Information [Text Block]		You can find additional information about the Fund at www.commercefunds.com. You can also request this information by contacting us at 1-800-995-6365.
Additional Information Phone Number		1-800-995-6365
Additional Information Website		www.commercefunds.com
Expenses [Text Block]		What were the Fund costs for last year? Annual Fund Operating Expenses (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Footnote Reference Commerce Short-Term Government Fund $70 0.68% Footnote Description Footnote * Reflects fee waiver and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount		$ 70
Expense Ratio, Percent		0.68%
Factors Affecting Performance [Text Block]		How did the Fund perform last year and what affected its performance? Over the one-year period that ended October 31, 2024, the Fund generated a cumulative total return of 6.41%, outperforming the Bloomberg U.S. 1-5 Year Government Bond Index which returned 6.21% for the same period. Top Contributors to Performance The Fund’s overweight to mortgages contributed to performance. The Fund benefited from the extension of the Treasury position’s duration. Top Detractors from Performance The Fund held a high liquidity position with shorter maturity holdings (ie., Treasury Bills). Maintaining the Fund’s target duration below the benchmark’s duration.
Performance Past Does Not Indicate Future [Text]		Past Performance: Performance data quoted above represents past performance. Past performance is not a guarantee or a reliable indicator of future results.
Line Graph [Table Text Block]		Fund Bloomberg US Aggregate Bond Index Bloomberg U.S. 1-5 Year Government Bond Index 10/14 $10,000 $10,000 $9,999 11/14 $10,025 $10,071 $10,028 12/14 $9,999 $10,080 $9,997 01/15 $10,072 $10,292 $10,092 02/15 $10,031 $10,195 $10,045 03/15 $10,063 $10,242 $10,085 04/15 $10,065 $10,206 $10,087 05/15 $10,065 $10,181 $10,096 06/15 $10,048 $10,070 $10,087 07/15 $10,065 $10,140 $10,105 08/15 $10,066 $10,125 $10,105 09/15 $10,094 $10,194 $10,156 10/15 $10,081 $10,196 $10,135 11/15 $10,058 $10,169 $10,105 12/15 $10,034 $10,136 $10,090 01/16 $10,113 $10,275 $10,198 02/16 $10,107 $10,348 $10,222 03/16 $10,137 $10,443 $10,246 04/16 $10,144 $10,483 $10,245 05/16 $10,131 $10,486 $10,230 06/16 $10,206 $10,674 $10,328 07/16 $10,206 $10,742 $10,324 08/16 $10,186 $10,730 $10,292 09/16 $10,209 $10,723 $10,310 10/16 $10,192 $10,641 $10,289 11/16 $10,111 $10,390 $10,191 12/16 $10,114 $10,404 $10,193 01/17 $10,132 $10,425 $10,212 02/17 $10,149 $10,495 $10,227 03/17 $10,147 $10,489 $10,233 04/17 $10,180 $10,570 $10,266 05/17 $10,210 $10,651 $10,290 06/17 $10,189 $10,641 $10,275 07/17 $10,214 $10,687 $10,303 08/17 $10,250 $10,782 $10,339 09/17 $10,221 $10,731 $10,304 10/17 $10,224 $10,737 $10,294 11/17 $10,197 $10,723 $10,264 12/17 $10,198 $10,773 $10,263 01/18 $10,145 $10,649 $10,204 02/18 $10,134 $10,548 $10,190 03/18 $10,169 $10,615 $10,223 04/18 $10,137 $10,536 $10,187 05/18 $10,177 $10,611 $10,237 06/18 $10,178 $10,598 $10,236 07/18 $10,166 $10,601 $10,226 08/18 $10,206 $10,669 $10,270 09/18 $10,182 $10,600 $10,242 10/18 $10,185 $10,517 $10,254 11/18 $10,221 $10,579 $10,304 12/18 $10,301 $10,774 $10,420 01/19 $10,336 $10,888 $10,453 02/19 $10,347 $10,882 $10,457 03/19 $10,412 $11,091 $10,547 04/19 $10,428 $11,094 $10,564 05/19 $10,519 $11,291 $10,672 06/19 $10,572 $11,432 $10,742 07/19 $10,562 $11,458 $10,723 08/19 $10,656 $11,755 $10,851 09/19 $10,647 $11,692 $10,824 10/19 $10,667 $11,727 $10,858 11/19 $10,655 $11,721 $10,846 12/19 $10,667 $11,713 $10,861 01/20 $10,754 $11,938 $10,958 02/20 $10,859 $12,153 $11,090 03/20 $10,887 $12,082 $11,269 04/20 $10,924 $12,297 $11,290 05/20 $10,939 $12,354 $11,307 06/20 $10,957 $12,432 $11,315 07/20 $10,976 $12,617 $11,334 08/20 $10,985 $12,515 $11,328 09/20 $10,981 $12,509 $11,330 10/20 $10,957 $12,453 $11,316 11/20 $10,973 $12,575 $11,324 12/20 $10,981 $12,592 $11,332 01/21 $10,989 $12,502 $11,329 02/21 $10,950 $12,321 $11,291 03/21 $10,947 $12,168 $11,267 04/21 $10,967 $12,264 $11,286 05/21 $10,984 $12,304 $11,308 06/21 $10,953 $12,390 $11,279 07/21 $10,994 $12,529 $11,323 08/21 $10,976 $12,505 $11,314 09/21 $10,943 $12,397 $11,282 10/21 $10,896 $12,393 $11,224 11/21 $10,888 $12,430 $11,225 12/21 $10,863 $12,398 $11,198 01/22 $10,772 $12,131 $11,092 02/22 $10,712 $11,996 $11,039 03/22 $10,525 $11,662 $10,822 04/22 $10,409 $11,220 $10,730 05/22 $10,463 $11,292 $10,801 06/22 $10,403 $11,115 $10,729 07/22 $10,469 $11,387 $10,814 08/22 $10,353 $11,065 $10,667 09/22 $10,140 $10,587 $10,489 10/22 $10,077 $10,450 $10,468 11/22 $10,157 $10,834 $10,584 12/22 $10,177 $10,785 $10,587 01/23 $10,296 $11,117 $10,703 02/23 $10,223 $10,829 $10,570 03/23 $10,335 $11,104 $10,784 04/23 $10,373 $11,172 $10,829 05/23 $10,350 $11,050 $10,771 06/23 $10,315 $11,011 $10,689 07/23 $10,347 $11,003 $10,720 08/23 $10,380 $10,933 $10,749 09/23 $10,339 $10,655 $10,709 10/23 $10,314 $10,487 $10,719 11/23 $10,474 $10,962 $10,882 12/23 $10,655 $11,381 $11,051 01/24 $10,693 $11,350 $11,085 02/24 $10,662 $11,190 $11,002 03/24 $10,721 $11,293 $11,046 04/24 $10,661 $11,008 $10,954 05/24 $10,724 $11,194 $11,053 06/24 $10,786 $11,300 $11,132 07/24 $10,875 $11,564 $11,298 08/24 $10,964 $11,731 $11,410 09/24 $11,048 $11,888 $11,511 10/24 $10,975 $11,593 $11,385
Average Annual Return [Table Text Block]		AATR 1 Year 5 Years 10 Years Commerce Short-Term Government Fund 6.41% 0.57% 0.93% Bloomberg US Aggregate Bond Index 10.55% (0.23%) 1.49% Bloomberg U.S. 1-5 Year Government Bond Index 6.21% 0.95% 1.31%
No Deduction of Taxes [Text Block]		The Fund’s investment return and principal value will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown and, in their absence, performance would be reduced. 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]
AssetsNet		$ 29,811,101
Holdings Count | Holding		129
Advisory Fees Paid, Amount		$ 0
InvestmentCompanyPortfolioTurnover		18%
Additional Fund Statistics [Text Block]		Key Fund Statistics FUND STATISTICS A Total Net Assets $29,811,101 # of Portfolio Holdings 129 Portfolio Turnover Rate 18% Total Advisory Fees Paid $0
Holdings [Text Block]		Types of Security Allocation (% of Total Net Assets) Value Value Investment Company 0.5% Asset Backed Securities 1.3% Mortgage Securities 45.3% Government 51.8%
Material Fund Change [Text Block]

Shareholder Report, Line Graph

Shareholder Report, Line Graph (Details) - USD ($)	12 Months Ended
	Oct. 31, 2024	Sep. 30, 2024	Aug. 31, 2024	Jul. 31, 2024	Jun. 30, 2024	May 31, 2024	Apr. 30, 2024	Mar. 31, 2024	Feb. 29, 2024	Jan. 31, 2024	Dec. 31, 2023	Nov. 30, 2023	Nov. 13, 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
C000027719
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 40,573	$ 40,650	$ 39,789	$ 38,897	$ 39,143	$ 36,989	$ 35,035	$ 36,435	$ 35,758	$ 33,674	$ 33,089	$ 31,891		$ 28,798	$ 29,136	$ 30,671	$ 30,914	$ 30,150	$ 28,305	$ 27,666	$ 27,357	$ 25,858	$ 26,101	$ 24,271	$ 26,170	$ 25,132	$ 23,777	$ 26,205	$ 27,450	$ 24,485	$ 26,459	$ 27,119	$ 30,297	$ 29,121	$ 30,448	$ 33,076	$ 31,899	$ 31,736	$ 29,372	$ 31,275	$ 30,256	$ 29,243	$ 27,858	$ 28,343	$ 26,592	$ 25,877	$ 25,787	$ 26,097	$ 24,988	$ 22,855	$ 23,568	$ 24,491	$ 22,785	$ 21,283	$ 20,716	$ 19,490	$ 17,157	$ 19,172	$ 20,705	$ 20,241	$ 19,761	$ 19,063	$ 18,732	$ 18,630	$ 18,707	$ 18,345	$ 17,220	$ 18,096	$ 17,184	$ 16,680	$ 16,074	$ 14,933	$ 16,288	$ 16,006	$ 17,315	$ 17,162	$ 16,431	$ 15,802	$ 15,645	$ 15,067	$ 15,086	$ 15,382	$ 15,904	$ 15,062	$ 14,997	$ 14,520	$ 14,061	$ 13,947	$ 13,755	$ 13,466	$ 13,523	$ 13,165	$ 12,859	$ 12,710	$ 12,150	$ 11,809	$ 11,619	$ 11,463	$ 11,834	$ 11,817	$ 11,862	$ 11,479	$ 11,401	$ 11,125	$ 11,179	$ 10,499	$ 10,499	$ 10,866	$ 10,962	$ 10,851	$ 10,059	$ 10,243	$ 10,862	$ 10,464	$ 10,718	$ 10,512	$ 10,567	$ 10,711	$ 10,095	$ 10,302	$ 10,369	$ 10,000
C000246257
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 12,882	13,035	12,862	12,568	11,772	11,808	11,501	12,146	11,517	11,080	11,347	10,570	$ 10,000
C000027723
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 27,911	28,152	27,776	27,353	26,702	26,291	25,539	27,189	26,443	25,392	25,539	24,138		21,923	22,750	23,858	24,291	23,644	22,071	22,723	22,789	22,454	22,975	21,692	22,819	21,620	19,974	21,711	22,615	20,313	21,695	22,136	24,201	23,830	24,357	27,224	25,870	26,553	25,160	26,544	26,080	25,231	24,486	24,892	23,700	23,186	22,802	22,816	21,821	19,896	20,076	20,538	20,059	18,403	18,129	16,739	14,874	17,188	18,574	18,442	18,193	17,595	17,483	17,487	17,740	17,575	16,416	17,046	16,204	15,839	14,917	13,726	15,063	14,692	15,985	15,982	15,335	14,903	14,623	14,314	14,423	14,369	14,881	14,350	14,241	13,725	13,430	13,057	13,023	12,962	12,884	12,657	12,446	12,382	11,907	11,632	11,523	11,156	11,536	11,584	11,639	11,249	11,146	10,950	10,846	10,235	10,032	10,489	10,737	10,702	10,124	10,390	10,835	10,642	10,734	10,550	10,725	10,773	10,165	10,349	10,353	10,000
C000027721
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 23,034	23,302	22,970	22,471	21,519	21,551	21,042	21,968	21,053	20,599	20,506	19,448		18,212	18,820	19,655	20,203	19,555	18,493	19,612	19,524	19,774	20,525	20,010	20,758	19,626	17,666	19,440	19,920	18,913	20,466	19,995	21,001	20,173	20,442	20,620	19,346	19,975	19,042	19,773	19,422	19,257	19,557	19,039	18,401	17,049	16,301	16,534	16,243	14,464	14,701	14,962	14,534	13,978	13,995	13,671	12,356	14,451	15,906	16,390	16,088	15,670	15,525	15,018	15,200	15,087	14,187	14,938	14,624	14,483	13,912	13,219	14,325	13,667	14,281	14,199	14,036	13,409	13,291	13,156	13,095	13,399	14,027	13,642	13,417	12,867	12,848	12,388	12,496	12,283	12,100	12,238	12,269	12,476	12,029	12,087	11,868	11,160	11,280	11,361	11,465	11,210	10,945	10,772	10,577	9,925	9,870	10,137	10,340	10,288	9,465	9,626	10,113	10,100	10,327	10,304	10,195	10,352	9,919	10,231	10,182	10,000
C000027729
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 12,050	12,338	12,163	11,974	11,760	11,626	11,446	11,723	11,611	11,744	11,745	11,307		10,850	11,007	11,261	11,307	11,296	11,329	11,452	11,357	11,128	11,373	11,020	11,017	10,692	10,840	11,317	11,571	11,329	11,501	11,497	11,881	12,201	12,366	12,624	12,655	12,636	12,641	12,742	12,764	12,640	12,546	12,483	12,366	12,484	12,638	12,694	12,631	12,437	12,494	12,489	12,556	12,321	12,141	11,990	11,673	12,281	12,101	11,851	11,865	11,865	11,830	11,898	11,630	11,591	11,440	11,261	11,224	11,013	10,990	10,876	10,733	10,699	10,789	10,838	10,776	10,758	10,793	10,725	10,801	10,751	10,845	10,941	10,885	10,895	10,862	10,905	10,813	10,753	10,760	10,656	10,569	10,583	10,506	10,466	10,429	10,636	10,681	10,683	10,671	10,586	10,406	10,393	10,309	10,178	10,135	10,067	10,132	10,149	10,155	10,096	10,118	10,079	10,174	10,189	10,210	10,172	10,247	10,056	10,059	10,000
C000027717
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 11,530	11,683	11,591	11,505	11,421	11,273	11,345	11,453	11,475	11,466	11,507	11,251		10,638	10,753	11,065	11,199	11,186	11,105	11,234	11,282	11,057	11,324	11,059	11,018	10,571	10,634	11,015	11,264	10,996	11,165	10,994	11,318	11,607	11,644	11,926	11,917	11,854	11,874	11,959	11,980	11,911	11,896	11,882	11,826	11,771	11,908	11,900	11,875	11,779	11,812	11,815	11,858	11,742	11,748	11,429	11,498	11,694	11,577	11,408	11,384	11,376	11,368	11,445	11,311	11,239	11,196	11,073	11,052	10,935	10,880	10,803	10,675	10,553	10,612	10,664	10,661	10,641	10,637	10,546	10,587	10,557	10,593	10,701	10,601	10,653	10,624	10,676	10,618	10,560	10,599	10,465	10,402	10,383	10,331	10,296	10,223	10,539	10,617	10,662	10,655	10,658	10,516	10,508	10,447	10,428	10,420	10,317	10,271	10,257	10,234	10,173	10,154	10,104	10,116	10,130	10,168	10,145	10,220	10,037	10,013	10,000
C000027715
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 11,766	11,940	11,828	11,742	11,644	11,495	11,586	11,696	11,718	11,709	11,751	11,474		10,805	10,963	11,283	11,412	11,398	11,310	11,444	11,473	11,238	11,500	11,205	11,181	10,729	10,790	11,162	11,424	11,164	11,310	11,148	11,439	11,723	11,777	12,054	12,049	11,971	11,989	12,078	12,108	12,030	12,012	11,989	11,924	11,884	11,989	11,972	11,938	11,843	11,874	11,879	11,915	11,809	11,791	11,505	11,584	11,797	11,678	11,526	11,501	11,487	11,480	11,558	11,423	11,346	11,302	11,167	11,140	11,005	10,954	10,881	10,763	10,639	10,707	10,758	10,742	10,733	10,733	10,628	10,672	10,635	10,668	10,794	10,706	10,756	10,717	10,772	10,701	10,641	10,668	10,532	10,466	10,439	10,367	10,329	10,243	10,577	10,652	10,679	10,674	10,670	10,537	10,528	10,465	10,450	10,438	10,322	10,275	10,247	10,232	10,168	10,153	10,103	10,114	10,130	10,167	10,142	10,223	10,053	10,019	10,000
C000027733
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 11,994	12,174	12,065	11,969	11,868	11,709	11,780	11,895	11,902	11,896	11,937	11,657		11,005	11,134	11,452	11,582	11,561	11,479	11,609	11,645	11,402	11,686	11,389	11,356	10,907	10,963	11,344	11,610	11,331	11,468	11,300	11,596	11,911	11,956	12,263	12,264	12,195	12,222	12,309	12,341	12,255	12,246	12,207	12,132	12,093	12,242	12,214	12,172	12,073	12,105	12,100	12,142	11,990	11,955	11,634	11,732	11,981	11,851	11,669	11,637	11,629	11,615	11,705	11,547	11,458	11,415	11,257	11,230	11,090	11,028	10,945	10,803	10,680	10,749	10,818	10,797	10,783	10,780	10,677	10,718	10,683	10,718	10,859	10,757	10,821	10,781	10,844	10,765	10,708	10,738	10,592	10,512	10,482	10,412	10,361	10,272	10,649	10,737	10,765	10,752	10,755	10,597	10,589	10,528	10,499	10,495	10,356	10,293	10,263	10,238	10,161	10,143	10,083	10,106	10,129	10,174	10,135	10,225	10,058	10,017	10,000
C000027731
Account Value [Line Items]
Line Graph and Table Measure Name	Fund
Account Value	$ 10,975	11,048	10,964	10,875	10,786	10,724	10,661	10,721	10,662	10,693	10,655	10,474		10,314	10,339	10,380	10,347	10,315	10,350	10,373	10,335	10,223	10,296	10,177	10,157	10,077	10,140	10,353	10,469	10,403	10,463	10,409	10,525	10,712	10,772	10,863	10,888	10,896	10,943	10,976	10,994	10,953	10,984	10,967	10,947	10,950	10,989	10,981	10,973	10,957	10,981	10,985	10,976	10,957	10,939	10,924	10,887	10,859	10,754	10,667	10,655	10,667	10,647	10,656	10,562	10,572	10,519	10,428	10,412	10,347	10,336	10,301	10,221	10,185	10,182	10,206	10,166	10,178	10,177	10,137	10,169	10,134	10,145	10,198	10,197	10,224	10,221	10,250	10,214	10,189	10,210	10,180	10,147	10,149	10,132	10,114	10,111	10,192	10,209	10,186	10,206	10,206	10,131	10,144	10,137	10,107	10,113	10,034	10,058	10,081	10,094	10,066	10,065	10,048	10,065	10,065	10,063	10,031	10,072	9,999	10,025	10,000
TAM INDEX: RUSSELL 1000® INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	®</sup> Index" id="sjs-B41">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Index
Account Value	$ 33,206	33,440	32,740	31,981	31,523	30,513	29,141	30,436	29,490	27,979	27,595	26,296		24,050	24,646	25,861	26,322	25,447	23,837	23,726	23,436	22,717	23,271	21,809	23,155	21,967	20,336	22,409	23,304	21,319	23,267	23,303	25,583	24,748	25,446	26,967	25,917	26,269	24,565	25,748	25,023	24,514	23,915	23,802	22,586	21,762	21,150	21,325	20,460	18,305	18,757	19,469	18,137	17,134	16,763	15,923	14,065	16,206	17,649	17,629	17,135	16,511	16,168	15,893	16,189	15,942	14,896	15,910	15,292	15,030	14,538	13,414	14,758	14,464	15,565	15,506	14,990	14,490	14,397	14,038	13,991	14,316	14,861	14,088	13,933	13,520	13,217	12,942	12,901	12,651	12,563	12,405	12,275	12,267	11,810	11,577	11,364	10,933	11,150	11,141	11,127	10,718	10,694	10,510	10,453	9,772	9,776	10,332	10,521	10,486	9,702	9,975	10,613	10,413	10,612	10,475	10,401	10,532	9,957	10,238	10,262	10,000
TAM INDEX: RUSSELL 1000® INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	®</sup> Index" id="sjs-B45">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Index
Account Value	$ 13,119	13,211	12,935	12,635	12,454	12,055	11,513	12,024	11,651	11,054	10,902	10,389	9,993
TAM INDEX: RUSSELL 1000® INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	®</sup> Index" id="sjs-B49">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Index
Account Value	$ 33,206	33,440	32,740	31,981	31,523	30,513	29,141	30,436	29,490	27,979	27,595	26,296		24,050	24,646	25,861	26,322	25,447	23,837	23,726	23,436	22,717	23,271	21,809	23,155	21,967	20,336	22,409	23,304	21,319	23,267	23,303	25,583	24,748	25,446	26,967	25,917	26,269	24,565	25,748	25,023	24,514	23,915	23,802	22,586	21,762	21,150	21,325	20,460	18,305	18,757	19,469	18,137	17,134	16,763	15,923	14,065	16,206	17,649	17,629	17,135	16,511	16,168	15,893	16,189	15,942	14,896	15,910	15,292	15,030	14,538	13,414	14,758	14,464	15,565	15,506	14,990	14,490	14,397	14,038	13,991	14,316	14,861	14,088	13,933	13,520	13,217	12,942	12,901	12,651	12,563	12,405	12,275	12,267	11,810	11,577	11,364	10,933	11,150	11,141	11,127	10,718	10,694	10,510	10,453	9,772	9,776	10,332	10,521	10,486	9,702	9,975	10,613	10,413	10,612	10,475	10,401	10,532	9,957	10,238	10,262	10,000
TAM INDEX: RUSSELL 1000® INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	®</sup> Index" id="sjs-B53">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Index
Account Value	$ 33,206	33,440	32,740	31,981	31,523	30,513	29,141	30,436	29,490	27,979	27,595	26,296		24,050	24,646	25,861	26,322	25,447	23,837	23,726	23,436	22,717	23,271	21,809	23,155	21,967	20,336	22,409	23,304	21,319	23,267	23,303	25,583	24,748	25,446	26,967	25,917	26,269	24,565	25,748	25,023	24,514	23,915	23,802	22,586	21,762	21,150	21,325	20,460	18,305	18,757	19,469	18,137	17,134	16,763	15,923	14,065	16,206	17,649	17,629	17,135	16,511	16,168	15,893	16,189	15,942	14,896	15,910	15,292	15,030	14,538	13,414	14,758	14,464	15,565	15,506	14,990	14,490	14,397	14,038	13,991	14,316	14,861	14,088	13,933	13,520	13,217	12,942	12,901	12,651	12,563	12,405	12,275	12,267	11,810	11,577	11,364	10,933	11,150	11,141	11,127	10,718	10,694	10,510	10,453	9,772	9,776	10,332	10,521	10,486	9,702	9,975	10,613	10,413	10,612	10,475	10,401	10,532	9,957	10,238	10,262	10,000
COMMERCE INDEX: BLOOMBERG US AGGREGATE BOND INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg US Aggregate Bond Index
Account Value	$ 11,593	11,888	11,731	11,564	11,300	11,194	11,008	11,293	11,190	11,350	11,381	10,962		10,487	10,655	10,933	11,003	11,011	11,050	11,172	11,104	10,829	11,117	10,785	10,834	10,450	10,587	11,065	11,387	11,115	11,292	11,220	11,662	11,996	12,131	12,398	12,430	12,393	12,397	12,505	12,529	12,390	12,304	12,264	12,168	12,321	12,502	12,592	12,575	12,453	12,509	12,515	12,617	12,432	12,354	12,297	12,082	12,153	11,938	11,713	11,721	11,727	11,692	11,755	11,458	11,432	11,291	11,094	11,091	10,882	10,888	10,774	10,579	10,517	10,600	10,669	10,601	10,598	10,611	10,536	10,615	10,548	10,649	10,773	10,723	10,737	10,731	10,782	10,687	10,641	10,651	10,570	10,489	10,495	10,425	10,404	10,390	10,641	10,723	10,730	10,742	10,674	10,486	10,483	10,443	10,348	10,275	10,136	10,169	10,196	10,194	10,125	10,140	10,070	10,181	10,206	10,242	10,195	10,292	10,080	10,071	10,000
COMMERCE INDEX: BLOOMBERG MUNICIPAL BOND INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg Municipal Bond Index
Account Value	$ 12,548	12,734	12,609	12,510	12,397	12,210	12,246	12,400	12,400	12,384	12,448	12,165		11,439	11,537	11,885	12,059	12,012	11,892	11,996	12,024	11,763	12,035	11,699	11,666	11,144	11,238	11,686	11,948	11,641	11,834	11,661	11,993	12,395	12,439	12,789	12,769	12,661	12,698	12,790	12,837	12,732	12,697	12,659	12,554	12,477	12,678	12,598	12,522	12,336	12,373	12,370	12,429	12,223	12,123	11,749	11,899	12,346	12,189	11,974	11,938	11,908	11,887	11,983	11,797	11,702	11,659	11,501	11,458	11,279	11,219	11,135	11,003	10,883	10,950	11,022	10,993	10,967	10,957	10,833	10,872	10,832	10,865	10,994	10,880	10,939	10,912	10,968	10,885	10,798	10,837	10,667	10,591	10,568	10,495	10,426	10,305	10,704	10,818	10,872	10,857	10,851	10,681	10,652	10,574	10,541	10,524	10,400	10,328	10,287	10,246	10,172	10,152	10,079	10,089	10,116	10,170	10,141	10,246	10,068	10,017	10,000
COMMERCE INDEX: BLOOMBERG MUNICIPAL BOND INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg Municipal Bond Index
Account Value	$ 12,548	12,734	12,609	12,510	12,397	12,210	12,246	12,400	12,400	12,384	12,448	12,165		11,439	11,537	11,885	12,059	12,012	11,892	11,996	12,024	11,763	12,035	11,699	11,666	11,144	11,238	11,686	11,948	11,641	11,834	11,661	11,993	12,395	12,439	12,789	12,769	12,661	12,698	12,790	12,837	12,732	12,697	12,659	12,554	12,477	12,678	12,598	12,522	12,336	12,373	12,370	12,429	12,223	12,123	11,749	11,899	12,346	12,189	11,974	11,938	11,908	11,887	11,983	11,797	11,702	11,659	11,501	11,458	11,279	11,219	11,135	11,003	10,883	10,950	11,022	10,993	10,967	10,957	10,833	10,872	10,832	10,865	10,994	10,880	10,939	10,912	10,968	10,885	10,798	10,837	10,667	10,591	10,568	10,495	10,426	10,305	10,704	10,818	10,872	10,857	10,851	10,681	10,652	10,574	10,541	10,524	10,400	10,328	10,287	10,246	10,172	10,152	10,079	10,089	10,116	10,170	10,141	10,246	10,068	10,017	10,000
COMMERCE INDEX: BLOOMBERG MUNICIPAL BOND INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg Municipal Bond Index
Account Value	$ 12,548	12,734	12,609	12,510	12,397	12,210	12,246	12,400	12,400	12,384	12,448	12,165		11,439	11,537	11,885	12,059	12,012	11,892	11,996	12,024	11,763	12,035	11,699	11,666	11,144	11,238	11,686	11,948	11,641	11,834	11,661	11,993	12,395	12,439	12,789	12,769	12,661	12,698	12,790	12,837	12,732	12,697	12,659	12,554	12,477	12,678	12,598	12,522	12,336	12,373	12,370	12,429	12,223	12,123	11,749	11,899	12,346	12,189	11,974	11,938	11,908	11,887	11,983	11,797	11,702	11,659	11,501	11,458	11,279	11,219	11,135	11,003	10,883	10,950	11,022	10,993	10,967	10,957	10,833	10,872	10,832	10,865	10,994	10,880	10,939	10,912	10,968	10,885	10,798	10,837	10,667	10,591	10,568	10,495	10,426	10,305	10,704	10,818	10,872	10,857	10,851	10,681	10,652	10,574	10,541	10,524	10,400	10,328	10,287	10,246	10,172	10,152	10,079	10,089	10,116	10,170	10,141	10,246	10,068	10,017	10,000
COMMERCE INDEX: BLOOMBERG US AGGREGATE BOND INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg US Aggregate Bond Index
Account Value	$ 11,593	11,888	11,731	11,564	11,300	11,194	11,008	11,293	11,190	11,350	11,381	10,962		10,487	10,655	10,933	11,003	11,011	11,050	11,172	11,104	10,829	11,117	10,785	10,834	10,450	10,587	11,065	11,387	11,115	11,292	11,220	11,662	11,996	12,131	12,398	12,430	12,393	12,397	12,505	12,529	12,390	12,304	12,264	12,168	12,321	12,502	12,592	12,575	12,453	12,509	12,515	12,617	12,432	12,354	12,297	12,082	12,153	11,938	11,713	11,721	11,727	11,692	11,755	11,458	11,432	11,291	11,094	11,091	10,882	10,888	10,774	10,579	10,517	10,600	10,669	10,601	10,598	10,611	10,536	10,615	10,548	10,649	10,773	10,723	10,737	10,731	10,782	10,687	10,641	10,651	10,570	10,489	10,495	10,425	10,404	10,390	10,641	10,723	10,730	10,742	10,674	10,486	10,483	10,443	10,348	10,275	10,136	10,169	10,196	10,194	10,125	10,140	10,070	10,181	10,206	10,242	10,195	10,292	10,080	10,071	10,000
COMMERCE INDEX: RUSSELL 1000® GROWTH INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	®</sup> Growth Index" id="sjs-B77">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Growth Index
Account Value	$ 44,812	44,961	43,722	42,830	43,571	40,819	38,513	40,219	39,523	36,999	36,098	34,568		31,170	31,620	33,439	33,742	32,642	30,553	29,221	28,935	27,084	27,409	25,301	27,398	26,204	24,757	27,423	28,763	25,681	27,890	28,554	32,476	31,253	32,639	35,704	34,964	34,752	31,982	33,879	32,658	31,616	29,750	30,167	28,245	27,768	27,775	27,982	26,751	24,267	25,120	26,360	23,894	22,187	21,261	19,924	17,356	19,249	20,656	20,204	19,613	18,779	18,265	18,262	18,403	17,997	16,840	17,976	17,199	16,723	16,145	14,814	16,207	16,037	17,612	17,514	16,606	16,132	15,978	15,308	15,254	15,684	16,107	15,041	14,925	14,485	13,945	13,766	13,518	13,168	13,203	12,868	12,580	12,437	11,941	11,551	11,410	11,167	11,436	11,394	11,451	10,935	10,978	10,769	10,868	10,181	10,186	10,788	10,949	10,918	10,052	10,307	10,974	10,614	10,804	10,654	10,601	10,723	10,053	10,209	10,317	10,000
COMMERCE INDEX: RUSSELL MIDCAP® VALUE INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	®</sup> Value Index" id="sjs-B81">Russell Midcap&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Value Index
Account Value	$ 12,936	13,100	12,858	12,620	11,901	12,095	11,676	12,320	11,714	11,180	11,384	10,561	$ 9,971
COMMERCE INDEX: RUSSELL MIDCAP® GROWTH INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	®</sup> Growth Index" id="sjs-B85">Russell Midcap&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Growth Index
Account Value	$ 28,880	28,384	27,469	26,803	26,641	26,204	25,927	27,526	26,883	25,003	25,139	23,367		20,826	21,946	23,070	23,857	23,156	21,495	21,481	21,797	21,501	21,715	19,972	21,248	20,151	18,683	20,416	21,107	18,806	20,325	21,144	23,826	23,450	23,738	27,255	27,160	28,358	26,500	27,849	26,978	26,703	25,004	25,392	24,041	24,509	24,097	24,178	23,071	20,339	20,314	20,603	20,057	18,573	18,148	16,491	14,259	16,758	17,999	17,832	17,626	16,790	16,485	16,675	16,984	16,596	15,507	16,454	15,746	15,536	14,676	13,163	14,477	14,118	15,669	15,736	14,879	14,566	14,510	13,987	14,120	14,143	14,602	13,820	13,746	13,301	12,939	12,583	12,495	12,290	12,253	11,968	11,793	11,728	11,400	11,032	10,994	10,536	10,982	10,988	11,020	10,500	10,501	10,332	10,338	9,650	9,501	10,279	10,516	10,494	9,872	10,269	10,903	10,729	10,905	10,777	10,853	10,823	10,126	10,299	10,329	10,000
COMMERCE INDEX: RUSSELL 1000® VALUE INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	®</sup> Value Index" id="sjs-B89">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Value Index
Account Value	$ 23,392	23,652	23,328	22,719	21,614	21,819	21,149	22,092	21,041	20,292	20,271	19,207		17,860	18,513	19,256	19,790	19,118	17,927	18,646	18,369	18,454	19,129	18,186	18,950	17,836	16,177	17,732	18,276	17,140	18,781	18,423	19,524	18,988	19,211	19,669	18,502	19,178	18,251	18,909	18,541	18,394	18,607	18,183	17,484	16,512	15,571	15,715	15,135	13,340	13,518	13,858	13,308	12,802	12,887	12,460	11,201	13,510	14,959	15,288	14,878	14,432	14,233	13,743	14,159	14,043	13,102	14,003	13,523	13,437	13,021	12,081	13,364	12,977	13,686	13,659	13,460	12,947	12,915	12,839	12,797	13,026	13,679	13,170	12,980	12,595	12,504	12,144	12,287	12,126	11,931	11,943	11,965	12,089	11,669	11,587	11,304	10,693	10,861	10,884	10,801	10,496	10,406	10,247	10,036	9,362	9,364	9,874	10,091	10,053	9,348	9,639	10,249	10,204	10,412	10,289	10,193	10,334	9,857	10,267	10,205	10,000
COMMERCE INDEX: BLOOMBERG 3-15 YR BLEND (2-17)
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg 3-15 Year Blend Municipal Bond Index
Account Value	$ 12,358	12,528	12,421	12,310	12,199	12,035	12,117	12,254	12,255	12,243	12,295	12,051		11,458	11,513	11,801	11,934	11,886	11,793	11,908	11,940	11,702	11,940	11,660	11,599	11,179	11,228	11,606	11,821	11,543	11,652	11,482	11,749	12,094	12,133	12,461	12,441	12,369	12,408	12,491	12,519	12,420	12,403	12,384	12,299	12,236	12,409	12,346	12,282	12,135	12,167	12,157	12,203	12,020	11,944	11,593	11,688	12,069	11,947	11,753	11,714	11,686	11,656	11,758	11,612	11,516	11,468	11,321	11,297	11,158	11,101	11,002	10,874	10,757	10,807	10,871	10,850	10,814	10,797	10,689	10,720	10,693	10,726	10,835	10,736	10,829	10,812	10,867	10,790	10,705	10,750	10,596	10,514	10,494	10,421	10,343	10,234	10,611	10,709	10,749	10,743	10,729	10,586	10,581	10,512	10,500	10,481	10,349	10,289	10,264	10,222	10,143	10,124	10,058	10,059	10,091	10,132	10,109	10,207	10,041	10,012	10,000
COMMERCE INDEX: BLOOMBERG 3-15 YR BLEND (2-17)
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg 3-15 Year Blend Municipal Bond Index
Account Value	$ 12,358	12,528	12,421	12,310	12,199	12,035	12,117	12,254	12,255	12,243	12,295	12,051		11,458	11,513	11,801	11,934	11,886	11,793	11,908	11,940	11,702	11,940	11,660	11,599	11,179	11,228	11,606	11,821	11,543	11,652	11,482	11,749	12,094	12,133	12,461	12,441	12,369	12,408	12,491	12,519	12,420	12,403	12,384	12,299	12,236	12,409	12,346	12,282	12,135	12,167	12,157	12,203	12,020	11,944	11,593	11,688	12,069	11,947	11,753	11,714	11,686	11,656	11,758	11,612	11,516	11,468	11,321	11,297	11,158	11,101	11,002	10,874	10,757	10,807	10,871	10,850	10,814	10,797	10,689	10,720	10,693	10,726	10,835	10,736	10,829	10,812	10,867	10,790	10,705	10,750	10,596	10,514	10,494	10,421	10,343	10,234	10,611	10,709	10,749	10,743	10,729	10,586	10,581	10,512	10,500	10,481	10,349	10,289	10,264	10,222	10,143	10,124	10,058	10,059	10,091	10,132	10,109	10,207	10,041	10,012	10,000
COMMERCE INDEX: BLOOMBERG 3-15 YR BLEND (2-17)
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg 3-15 Year Blend Municipal Bond Index
Account Value	$ 12,358	12,528	12,421	12,310	12,199	12,035	12,117	12,254	12,255	12,243	12,295	12,051		11,458	11,513	11,801	11,934	11,886	11,793	11,908	11,940	11,702	11,940	11,660	11,599	11,179	11,228	11,606	11,821	11,543	11,652	11,482	11,749	12,094	12,133	12,461	12,441	12,369	12,408	12,491	12,519	12,420	12,403	12,384	12,299	12,236	12,409	12,346	12,282	12,135	12,167	12,157	12,203	12,020	11,944	11,593	11,688	12,069	11,947	11,753	11,714	11,686	11,656	11,758	11,612	11,516	11,468	11,321	11,297	11,158	11,101	11,002	10,874	10,757	10,807	10,871	10,850	10,814	10,797	10,689	10,720	10,693	10,726	10,835	10,736	10,829	10,812	10,867	10,790	10,705	10,750	10,596	10,514	10,494	10,421	10,343	10,234	10,611	10,709	10,749	10,743	10,729	10,586	10,581	10,512	10,500	10,481	10,349	10,289	10,264	10,222	10,143	10,124	10,058	10,059	10,091	10,132	10,109	10,207	10,041	10,012	10,000
COMMERCE INDEX: BLOOMBERG U.S. 1-5 YEAR GOVERNMENT BOND INDEX
Account Value [Line Items]
Line Graph and Table Measure Name	Bloomberg U.S. 1-5 Year Government Bond Index
Account Value	$ 11,385	$ 11,511	$ 11,410	$ 11,298	$ 11,132	$ 11,053	$ 10,954	$ 11,046	$ 11,002	$ 11,085	$ 11,051	$ 10,882		$ 10,719	$ 10,709	$ 10,749	$ 10,720	$ 10,689	$ 10,771	$ 10,829	$ 10,784	$ 10,570	$ 10,703	$ 10,587	$ 10,584	$ 10,468	$ 10,489	$ 10,667	$ 10,814	$ 10,729	$ 10,801	$ 10,730	$ 10,822	$ 11,039	$ 11,092	$ 11,198	$ 11,225	$ 11,224	$ 11,282	$ 11,314	$ 11,323	$ 11,279	$ 11,308	$ 11,286	$ 11,267	$ 11,291	$ 11,329	$ 11,332	$ 11,324	$ 11,316	$ 11,330	$ 11,328	$ 11,334	$ 11,315	$ 11,307	$ 11,290	$ 11,269	$ 11,090	$ 10,958	$ 10,861	$ 10,846	$ 10,858	$ 10,824	$ 10,851	$ 10,723	$ 10,742	$ 10,672	$ 10,564	$ 10,547	$ 10,457	$ 10,453	$ 10,420	$ 10,304	$ 10,254	$ 10,242	$ 10,270	$ 10,226	$ 10,236	$ 10,237	$ 10,187	$ 10,223	$ 10,190	$ 10,204	$ 10,263	$ 10,264	$ 10,294	$ 10,304	$ 10,339	$ 10,303	$ 10,275	$ 10,290	$ 10,266	$ 10,233	$ 10,227	$ 10,212	$ 10,193	$ 10,191	$ 10,289	$ 10,310	$ 10,292	$ 10,324	$ 10,328	$ 10,230	$ 10,245	$ 10,246	$ 10,222	$ 10,198	$ 10,090	$ 10,105	$ 10,135	$ 10,156	$ 10,105	$ 10,105	$ 10,087	$ 10,096	$ 10,087	$ 10,085	$ 10,045	$ 10,092	$ 9,997	$ 10,028	$ 9,999

Shareholder Report, Average Ann

Shareholder Report, Average Annual Return (Details)	12 Months Ended		60 Months Ended	120 Months Ended
	Oct. 31, 2024	Oct. 31, 2024	Oct. 31, 2024	Oct. 31, 2024
C000027719
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
C000246257
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
C000027723
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
C000027721
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
C000027729
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
C000027717
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
C000027715
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
C000027733
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
C000027731
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Fund
TAM INDEX: RUSSELL 1000® INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	®</sup> Index" id="sjs-B32">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Index
Average Annual Return, Percent	38.07%		15%	12.75%
TAM INDEX: RUSSELL 1000® INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	®</sup> Index" id="sjs-B36">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Index
Average Annual Return, Percent		31.19%
TAM INDEX: RUSSELL 1000® INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	®</sup> Index" id="sjs-B40">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Index
Average Annual Return, Percent	38.07%		15%	12.75%
TAM INDEX: RUSSELL 1000® INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	®</sup> Index" id="sjs-B44">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Index
Average Annual Return, Percent	38.07%		15%	12.75%
COMMERCE INDEX: BLOOMBERG US AGGREGATE BOND INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg US Aggregate Bond Index
Average Annual Return, Percent	10.55%		(0.23%)	1.49%
COMMERCE INDEX: BLOOMBERG MUNICIPAL BOND INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg Municipal Bond Index
Average Annual Return, Percent	9.70%		1.05%	2.30%
COMMERCE INDEX: BLOOMBERG MUNICIPAL BOND INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg Municipal Bond Index
Average Annual Return, Percent	9.70%		1.05%	2.30%
COMMERCE INDEX: BLOOMBERG MUNICIPAL BOND INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg Municipal Bond Index
Average Annual Return, Percent	9.70%		1.05%	2.30%
COMMERCE INDEX: BLOOMBERG US AGGREGATE BOND INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg US Aggregate Bond Index
Average Annual Return, Percent	10.55%		(0.23%)	1.49%
COMMERCE INDEX: RUSSELL 1000® GROWTH INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	®</sup> Growth Index" id="sjs-B68">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Growth Index
Commerce: Commerce Growth Fund
Average Annual Return [Line Items]
Average Annual Return, Percent	40.89%		16.31%	15.03%
COMMERCE INDEX: RUSSELL MIDCAP® VALUE INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	®</sup> Value Index" id="sjs-B74">Russell Midcap&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Value Index
Commerce: Commerce MidCap Value Fund
Average Annual Return [Line Items]
Average Annual Return, Percent		28.82%
COMMERCE INDEX: RUSSELL MIDCAP® GROWTH INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	®</sup> Growth Index" id="sjs-B80">Russell Midcap&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Growth Index
Commerce: Commerce MidCap Growth Fund
Average Annual Return [Line Items]
Average Annual Return, Percent	27.32%		9.67%	10.81%
COMMERCE INDEX: RUSSELL 1000® VALUE INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	®</sup> Value Index" id="sjs-B86">Russell 1000&lt;sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®&lt;/sup> Value Index
Commerce: Commerce Value Fund
Average Annual Return [Line Items]
Average Annual Return, Percent	26.48%		8.01%	8.70%
Commerce: Commerce Bond Fund
Average Annual Return [Line Items]
Average Annual Return, Percent	11.05%		0.31%	1.88%
COMMERCE INDEX: BLOOMBERG 3-15 YR BLEND (2-17)
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg 3-15 Year Blend Municipal Bond Index
Commerce: Commerce Kansas Tax-Free Intermediate Bond Fund
Average Annual Return [Line Items]
Average Annual Return, Percent	8.38%		0.27%	1.43%
COMMERCE INDEX: BLOOMBERG 3-15 YR BLEND (2-17)
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg 3-15 Year Blend Municipal Bond Index
Commerce: Commerce Missouri Tax-Free Intermediate Bond Fund
Average Annual Return [Line Items]
Average Annual Return, Percent	8.89%		0.48%	1.64%
COMMERCE INDEX: BLOOMBERG 3-15 YR BLEND (2-17)
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg 3-15 Year Blend Municipal Bond Index
Commerce: Commerce National Tax-Free Intermediate Bond Fund
Average Annual Return [Line Items]
Average Annual Return, Percent	8.99%		0.62%	1.83%
COMMERCE INDEX: BLOOMBERG U.S. 1-5 YEAR GOVERNMENT BOND INDEX
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg U.S. 1-5 Year Government Bond Index
Commerce: Commerce Short-Term Government Fund
Average Annual Return [Line Items]
Average Annual Return, Percent	6.41%		0.57%	0.93%

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Oct. 31, 2024
C000027719 | Apple, Inc.
Holdings [Line Items]
Percent of Net Asset Value	11.40%
C000027719 | NVIDIA Corp.
Holdings [Line Items]
Percent of Net Asset Value	10.60%
C000027719 | Microsoft Corp.
Holdings [Line Items]
Percent of Net Asset Value	10.20%
C000027719 | Alphabet, Inc.
Holdings [Line Items]
Percent of Net Asset Value	6.10%
C000027719 | Amazon.com, Inc.
Holdings [Line Items]
Percent of Net Asset Value	5.50%
C000027719 | Meta Platforms, Inc.
Holdings [Line Items]
Percent of Net Asset Value	3.80%
C000027719 | Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000027719 | Tesla, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000027719 | Eli Lilly & Co.
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000027719 | Visa, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000246257 | iShares Russell Mid-Cap Value ETF
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000246257 | Texas Pacific Land Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000246257 | Allison Transmission Holdings, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000246257 | Williams Cos., Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000246257 | Unum Group
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000246257 | Digital Realty Trust, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000246257 | Travel & Leisure Co.
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000246257 | Corning, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000246257 | Cummins, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000246257 | U.S. Bancorp
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000027723 | Texas Pacific Land Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000027723 | iShares Russell Mid-Cap Growth ETF
Holdings [Line Items]
Percent of Net Asset Value	3.30%
C000027723 | Blue Owl Capital, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.50%
C000027723 | Apollo Global Management, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.50%
C000027723 | Exelixis, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000027723 | Booz Allen Hamilton Holding Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000027723 | Palantir Technologies, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000027723 | Trade Desk, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000027723 | Ameriprise Financial, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000027723 | EMCOR Group, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000027721 | Apollo Global Management, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000027721 | JPMorgan Chase & Co.
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000027721 | Chevron Corp.
Holdings [Line Items]
Percent of Net Asset Value	3%
C000027721 | Duke Energy Corp.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000027721 | iShares Russell 1000 Value ETF
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000027721 | Verizon Communications, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000027721 | Morgan Stanley
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000027721 | Blackstone, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000027721 | Cisco Systems, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000027721 | Air Products & Chemicals, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.10%