Sit Balanced Fund (SIBAX) N-CSRS21 Feb 25Certified semi-annual shareholder report (management investment company)Financial data

Company Profile

Form N-CSR Cover

Form N-CSR Cover	6 Months Ended
Form N-CSR Cover	Dec. 31, 2024
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	SIT Mutual Funds Inc
Entity Central Index Key	0000877880
Entity Investment Company Type	N-1A
Document Period End Date	Dec. 31, 2024

Shareholder Report

Shareholder Report	6 Months Ended
Shareholder Report	Dec. 31, 2024 USD ($) Holding
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	SIT Mutual Funds Inc
Entity Central Index Key	0000877880
Entity Investment Company Type	N-1A
Document Period End Date	Dec. 31, 2024
C000009596
Shareholder Report [Line Items]
Fund Name	Sit Balanced Fund
No Trading Symbol [Flag]	true
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Balanced Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com
Additional Information Phone Number	1-800-332-5580
Additional Information Email	www.sitfunds.com</span>/documents" id="sjs-B18"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">www.sitfunds.com</span>/documents
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Balanced Fund $42 0.80%
Expenses Paid, Amount	$ 42
Expense Ratio, Percent	0.80%
Line Graph [Table Text Block]	Sit Balanced Fund Bloomberg U.S. Aggregate Bond Index S&P 500 ® 12/14 $10,000 $10,000 $10,000 12/15 10,225 10,055 10,138 12/16 10,695 10,321 11,351 12/17 12,593 10,687 13,829 12/18 12,249 10,688 13,223 12/19 14,783 11,620 17,386 12/20 17,850 12,492 20,585 12/21 20,911 12,299 26,494 12/22 16,552 10,699 21,696 12/23 20,300 11,291 27,399 12/24 23,958 11,432 34,254
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years 10 Years Sit Balanced Fund 5.89% 18.02% 10.14% 9.13% Bloomberg U.S. Aggregate Bond Index 1.98% 1.25% - 1.35% S&P 500 ® 8.44% 25.02% 14.53% 13.10%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 68,798,537
Holdings Count \| Holding	222
Advisory Fees Paid, Amount	$ 268,846
InvestmentCompanyPortfolioTurnover	12.73%
Holdings [Text Block]	Asset Weighting (% of Net Assets) Equities 64.2 % Bonds 34.1 Cash and other net assets 1.7 Total 100.0 %
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) NVIDIA Corp. 6.9 % Apple, Inc. 4.9 Microsoft Corp. 4.6 Alphabet, Inc. 4.5 Broadcom, Inc. 3.8 Amazon.com, Inc. 3.1 Salesforce, Inc. 1.8 Meta Platforms, Inc. 1.7 UnitedHealth Group, Inc. 1.4 Goldman Sachs Group, Inc. 1.3
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000009600
Shareholder Report [Line Items]
Fund Name	Sit Dividend Growth Fund
Class Name	I
Trading Symbol	SDVGX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Dividend Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com/documents
Additional Information Phone Number	1-800-332-5580
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Dividend Growth Fund - Class I $36 0.70%
Expenses Paid, Amount	$ 36
Expense Ratio, Percent	0.70%
Line Graph [Table Text Block]	Sit Dividend Growth Fund - Class I S&P 500 ® 12/14 $10,000 $10,000 12/15 10,051 10,138 12/16 11,129 11,351 12/17 13,382 13,829 12/18 12,503 13,223 12/19 16,141 17,386 12/20 18,396 20,585 12/21 23,543 26,494 12/22 20,729 21,696 12/23 23,815 27,399 12/24 28,168 34,254
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years 10 Years Sit Dividend Growth Fund - Class I 5.89% 18.28% 11.78% 10.91% S&P 500 ® 8.44% 25.02% 14.53% 13.10%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 239,118,695
Holdings Count \| Holding	78
Advisory Fees Paid, Amount	$ 862,515
InvestmentCompanyPortfolioTurnover	22.61%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $239,118,695 # of Portfolio Holdings 78 Portfolio Turnover Rate 22.61% Investment Advisory Fees Paid $862,515 Weighted average market cap $800.4 Billion Weighted average market cap $800.4 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Electronic Technology 20.2 % Technology Services 14.9 Finance 14.7 Health Technology 10.2 Producer Manufacturing 7.4 Utilities 5.5 Retail Trade 4.9 Health Services 4.3 Transportation 3.2 Others 14.0 Cash and other net assets 0.7 Total 100.0%
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) Microsoft Corp. 6.5 % Apple, Inc. 6.0 Broadcom, Inc. 4.1 NVIDIA Corp. 3.4 Amazon.com, Inc. 1.8 Procter & Gamble Co. 1.7 Exxon Mobil Corp. 1.7 Alphabet, Inc. 1.6 JPMorgan Chase & Co. 1.6 Williams Cos., Inc. 1.5
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000033658
Shareholder Report [Line Items]
Fund Name	Sit Dividend Growth Fund
Class Name	S
Trading Symbol	SDVSX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Dividend Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com/documents
Additional Information Phone Number	1-800-332-5580
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Dividend Growth Fund - Class S $49 0.95%
Expenses Paid, Amount	$ 49
Expense Ratio, Percent	0.95%
Line Graph [Table Text Block]	Sit Dividend Growth Fund - Class S S&P 500 ® 12/14 $10,000 $10,000 12/15 10,025 10,138 12/16 11,077 11,351 12/17 13,278 13,829 12/18 12,377 13,223 12/19 15,947 17,386 12/20 18,126 20,585 12/21 23,141 26,494 12/22 20,319 21,696 12/23 23,290 27,399 12/24 27,462 34,254
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years 10 Years Sit Dividend Growth Fund - Class S 5.68% 17.91% 11.48% 10.63% S&P 500 ® 8.44% 25.02% 14.53% 13.10%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 239,118,695
Holdings Count \| Holding	78
Advisory Fees Paid, Amount	$ 862,515
InvestmentCompanyPortfolioTurnover	22.61%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $239,118,695 # of Portfolio Holdings 78 Portfolio Turnover Rate 22.61% Investment Advisory Fees Paid $862,515 Weighted average market cap $800.4 Billion Weighted average market cap $800.4 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Electronic Technology 20.2 % Technology Services 14.9 Finance 14.7 Health Technology 10.2 Producer Manufacturing 7.4 Utilities 5.5 Retail Trade 4.9 Health Services 4.3 Transportation 3.2 Others 14.0 Cash and other net assets 0.7 Total 100.0%
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) Microsoft Corp. 6.5 % Apple, Inc. 6.0 Broadcom, Inc. 4.1 NVIDIA Corp. 3.4 Amazon.com, Inc. 1.8 Procter & Gamble Co. 1.7 Exxon Mobil Corp. 1.7 Alphabet, Inc. 1.6 JPMorgan Chase & Co. 1.6 Williams Cos., Inc. 1.5
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000069003
Shareholder Report [Line Items]
Fund Name	Sit Global Dividend Growth Fund
Class Name	I
Trading Symbol	GDGIX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Global Dividend Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com
Additional Information Phone Number	1-800-332-5580
Additional Information Email	www.sitfunds.com</span>/documents" id="sjs-B90"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">www.sitfunds.com</span>/documents
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Global Dividend Growth Fund - Class I $52 1.00%
Expenses Paid, Amount	$ 52
Expense Ratio, Percent	1%
Line Graph [Table Text Block]	Sit Global Dividend Growth Fund - Class I MSCI World Index 12/14 $10,000 $10,000 12/15 9,907 9,913 12/16 10,398 10,657 12/17 12,452 13,045 12/18 11,253 11,908 12/19 14,257 15,203 12/20 16,539 17,621 12/21 20,440 21,465 12/22 16,753 17,571 12/23 20,626 21,751 12/24 24,093 25,812
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years 10 Years Sit Global Dividend Growth Fund - Class I 5.26% 16.81% 11.06% 9.19% MSCI World Index 6.20% 18.67% 11.17% 9.95%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 53,457,934
Holdings Count \| Holding	58
Advisory Fees Paid, Amount	$ 266,058
InvestmentCompanyPortfolioTurnover	1.08%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $53,457,934 # of Portfolio Holdings 58 Portfolio Turnover Rate 1.08% Investment Advisory Fees Paid $266,058 Weighted average market cap $925.2 Billion Weighted average market cap $925.2 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Electronic Technology 22.0 % Technology Services 16.9 Finance 16.8 Producer Manufacturing 9.9 Health Technology 6.4 Consumer Non-Durables 5.0 Consumer Services 3.5 Industrial Services 3.1 Energy Minerals 3.1 Others 10.6 Cash and other net assets 2.7 Total 100.0 %
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) Apple, Inc. 8.5 % Microsoft Corp. 8.3 Broadcom, Inc. 7.7 JPMorgan Chase & Co. 3.2 Alphabet, Inc. 3.1 NVIDIA Corp. 2.9 Applied Materials, Inc. 2.4 Shell, PLC, ADR 2.3 Accenture, PLC 2.2 Arthur J Gallagher & Co. 2.0
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000071096
Shareholder Report [Line Items]
Fund Name	Sit Global Dividend Growth Fund
Class Name	S
Trading Symbol	GDGSX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Global Dividend Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com
Additional Information Phone Number	1-800-332-5580
Additional Information Email	www.sitfunds.com</span>/documents" id="sjs-B115"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">www.sitfunds.com</span>/documents
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Global Dividend Growth Fund - Class S $65 1.25%
Expenses Paid, Amount	$ 65
Expense Ratio, Percent	1.25%
Line Graph [Table Text Block]	Sit Global Dividend Growth Fund - Class S MSCI World Index 12/14 $10,000 $10,000 12/15 9,879 9,913 12/16 10,344 10,657 12/17 12,365 13,045 12/18 11,137 11,908 12/19 14,078 15,203 12/20 16,299 17,621 12/21 20,090 21,465 12/22 16,421 17,571 12/23 20,162 21,751 12/24 23,490 25,812
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years 10 Years Sit Global Dividend Growth Fund - Class S 5.12% 16.50% 10.78% 8.91% MSCI World Index 6.20% 18.67% 11.17% 9.95%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 53,457,934
Holdings Count \| Holding	58
Advisory Fees Paid, Amount	$ 266,058
InvestmentCompanyPortfolioTurnover	1.08%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $53,457,934 # of Portfolio Holdings 58 Portfolio Turnover Rate 1.08% Investment Advisory Fees Paid $266,058 Weighted average market cap $925.2 Billion Weighted average market cap $925.2 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Electronic Technology 22.0 % Technology Services 16.9 Finance 16.8 Producer Manufacturing 9.9 Health Technology 6.4 Consumer Non-Durables 5.0 Consumer Services 3.5 Industrial Services 3.1 Energy Minerals 3.1 Others 10.6 Cash and other net assets 2.7 Total 100.0 %
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) Apple, Inc. 8.5 % Microsoft Corp. 8.3 Broadcom, Inc. 7.7 JPMorgan Chase & Co. 3.2 Alphabet, Inc. 3.1 NVIDIA Corp. 2.9 Applied Materials, Inc. 2.4 Shell, PLC, ADR 2.3 Accenture, PLC 2.2 Arthur J Gallagher & Co. 2.0
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000170242
Shareholder Report [Line Items]
Fund Name	Sit ESG Growth Fund
Class Name	I
Trading Symbol	IESGX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit ESG Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com
Additional Information Phone Number	1-800-332-5580
Additional Information Email	www.sitfunds.com</span>/documents" id="sjs-B140"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">www.sitfunds.com</span>/documents
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit ESG Growth Fund - Class I $52 1.00%
Expenses Paid, Amount	$ 52
Expense Ratio, Percent	1%
Line Graph [Table Text Block]	Sit ESG Growth Fund - Class I MSCI World Index 6/16 $10,000 $10,000 12/16 10,201 10,681 12/17 12,620 13,074 12/18 11,692 11,935 12/19 14,779 15,237 12/20 17,129 17,660 12/21 20,546 21,513 12/22 16,230 17,610 12/23 20,559 21,799 12/24 24,715 25,869
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years Since Inception 6/30/2016 Sit ESG Growth Fund - Class I 5.51% 20.21% 10.83% 11.22% MSCI World Index 6.20% 18.67% 11.17% 11.82%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 11,752,507
Holdings Count \| Holding	58
Advisory Fees Paid, Amount	$ 59,230
InvestmentCompanyPortfolioTurnover	1.19%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $11,752,507 # of Portfolio Holdings 58 Portfolio Turnover Rate 1.19% Investment Advisory Fees Paid $59,230 Weighted average market cap $1,075.5 Billion Weighted average market cap $1,075.5 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Electronic Technology 22.1 % Technology Services 19.4 Finance 10.9 Producer Manufacturing 9.3 Health Technology 8.6 Consumer Services 5.6 Consumer Non-Durables 4.7 Retail Trade 3.9 Others 12.0 Cash and other net assets 3.5 Total 100.0 %
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) NVIDIA Corp. 10.6 % Apple, Inc. 7.7 Microsoft Corp. 7.2 Alphabet, Inc. 4.0 Goldman Sachs Group, Inc. 2.9 Trane Technologies, PLC 2.8 Broadcom, Inc. 2.5 Home Depot, Inc. 2.5 salesforce.com, Inc. 2.4 Allianz SE, ADR 2.3
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000170243
Shareholder Report [Line Items]
Fund Name	Sit ESG Growth Fund
Class Name	S
Trading Symbol	SESGX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit ESG Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com
Additional Information Phone Number	1-800-332-5580
Additional Information Email	www.sitfunds.com</span>/documents" id="sjs-B165"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">www.sitfunds.com</span>/documents
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit ESG Growth Fund - Class S $65 1.25%
Expenses Paid, Amount	$ 65
Expense Ratio, Percent	1.25%
Line Graph [Table Text Block]	Sit ESG Growth Fund - Class S MSCI World Index 6/16 $10,000 $10,000 12/16 10,188 10,681 12/17 12,580 13,074 12/18 11,617 11,935 12/19 14,645 15,237 12/20 16,933 17,660 12/21 20,263 21,513 12/22 15,958 17,610 12/23 20,163 21,799 12/24 24,186 25,869
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years Since Inception 6/30/2016 Sit ESG Growth Fund - Class S 5.42% 19.96% 10.55% 10.94% MSCI World Index 6.20% 18.67% 11.17% 11.82%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 11,752,507
Holdings Count \| Holding	58
Advisory Fees Paid, Amount	$ 59,230
InvestmentCompanyPortfolioTurnover	1.19%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $11,752,507 # of Portfolio Holdings 58 Portfolio Turnover Rate 1.19% Investment Advisory Fees Paid $59,230 Weighted average market cap $1,075.5 Billion Weighted average market cap $1,075.5 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Electronic Technology 22.1 % Technology Services 19.4 Finance 10.9 Producer Manufacturing 9.3 Health Technology 8.6 Consumer Services 5.6 Consumer Non-Durables 4.7 Retail Trade 3.9 Others 12.0 Cash and other net assets 3.5 Total 100.0 %
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) NVIDIA Corp. 10.6 % Apple, Inc. 7.7 Microsoft Corp. 7.2 Alphabet, Inc. 4.0 Goldman Sachs Group, Inc. 2.9 Trane Technologies, PLC 2.8 Broadcom, Inc. 2.5 Home Depot, Inc. 2.5 salesforce.com, Inc. 2.4 Allianz SE, ADR 2.3
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000153295
Shareholder Report [Line Items]
Fund Name	Sit Small Cap Dividend Growth Fund
Class Name	I
Trading Symbol	SSCDX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Small Cap Dividend Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com/documents
Additional Information Phone Number	1-800-332-5580
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Small Cap Dividend Growth Fund - Class I $47 0.90%
Expenses Paid, Amount	$ 47
Expense Ratio, Percent	0.90%
Line Graph [Table Text Block]	Sit Small Cap Dividend Growth Fund - Class I Russell 3000 ® Russell 2000 ® 12/15 9,349 9,870 9,163 12/16 11,274 11,127 11,116 12/17 12,818 13,478 12,744 12/18 10,630 12,772 11,340 12/19 13,512 16,734 14,235 12/20 15,701 20,229 17,076 12/21 19,403 25,420 19,607 12/22 16,090 20,537 15,600 12/23 18,582 25,868 18,241 12/24 21,458 32,027 20,345
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years Since Inception 3/31/2015 Sit Small Cap Dividend Growth Fund - Class I 6.58% 15.48% 9.69% 8.14% Russell 3000 ® 9.03% 23.81% 13.86% 12.66% Russell 2000 ® 9.64% 11.54% 7.40% 7.55% The Fund continues to use the Russell 2000 ®
Material Change Date	Dec. 31, 2024
AssetsNet	$ 31,235,341
Holdings Count \| Holding	94
Advisory Fees Paid, Amount	$ 141,175
InvestmentCompanyPortfolioTurnover	4.72%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $31,235,341 # of Portfolio Holdings 94 Portfolio Turnover Rate 4.72% Investment Advisory Fees Paid $141,175 Weighted average market cap $7.7 Billion Weighted average market cap $7.7 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Finance 26.4 % Industrial Services 11.7 Producer Manufacturing 11.2 Health Technology 7.0 Electronic Technology 4.8 Health Services 4.4 Process Industries 4.4 Commercial Services 3.8 Others 20.8 Cash and other net assets 5.5 Total 100.0%
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) EMCOR Group, Inc. 2.7 % KBR, Inc. 2.0 Monolithic Power Systems, Inc. 2.0 Argan, Inc. 2.0 Northern Oil & Gas, Inc. 1.9 TechnipFMC, PLC 1.8 Globant SA 1.8 Stifel Financial Corp. 1.8 Kodiak Gas Services, Inc. 1.7 Chord Energy Corp. 1.7
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000153296
Shareholder Report [Line Items]
Fund Name	Sit Small Cap Dividend Growth Fund
Class Name	S
Trading Symbol	SDFSX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Small Cap Dividend Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com/documents
Additional Information Phone Number	1-800-332-5580
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Small Cap Dividend Growth Fund - Class S $60 1.15%
Expenses Paid, Amount	$ 60
Expense Ratio, Percent	1.15%
Line Graph [Table Text Block]	Sit Small Cap Dividend Growth Fund - Class S Russell 3000 ® Russell 2000 ® 12/15 9,331 9,870 9,163 12/16 11,226 11,127 11,116 12/17 12,733 13,478 12,744 12/18 10,532 12,772 11,340 12/19 13,344 16,734 14,235 12/20 15,479 20,229 17,076 12/21 19,081 25,420 19,607 12/22 15,770 20,537 15,600 12/23 18,169 25,868 18,241 12/24 20,944 32,027 20,345
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years Since Inception 3/31/2015 Sit Small Cap Dividend Growth Fund - Class S 6.51% 15.27% 9.44% 7.87% Russell 3000 ® 9.03% 23.81% 13.86% 12.66% Russell 2000 ® 9.64% 11.54% 7.40% 7.55% The Fund continues to use the Russell 2000 ®
Material Change Date	Dec. 31, 2024
AssetsNet	$ 31,235,341
Holdings Count \| Holding	94
Advisory Fees Paid, Amount	$ 141,175
InvestmentCompanyPortfolioTurnover	4.72%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $31,235,341 # of Portfolio Holdings 94 Portfolio Turnover Rate 4.72% Investment Advisory Fees Paid $141,175 Weighted average market cap $7.7 Billion Weighted average market cap $7.7 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Finance 26.4 % Industrial Services 11.7 Producer Manufacturing 11.2 Health Technology 7.0 Electronic Technology 4.8 Health Services 4.4 Process Industries 4.4 Commercial Services 3.8 Others 20.8 Cash and other net assets 5.5 Total 100.0%
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) EMCOR Group, Inc. 2.7 % KBR, Inc. 2.0 Monolithic Power Systems, Inc. 2.0 Argan, Inc. 2.0 Northern Oil & Gas, Inc. 1.9 TechnipFMC, PLC 1.8 Globant SA 1.8 Stifel Financial Corp. 1.8 Kodiak Gas Services, Inc. 1.7 Chord Energy Corp. 1.7
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000009598
Shareholder Report [Line Items]
Fund Name	Sit Small Cap Growth Fund
No Trading Symbol [Flag]	true
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Small Cap Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com/documents
Additional Information Phone Number	1-800-332-5580
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Small Cap Growth Fund $77 1.50%
Expenses Paid, Amount	$ 77
Expense Ratio, Percent	1.50%
Line Graph [Table Text Block]	Sit Small Cap Growth Fund Russell 3000 ® Russell 2000 ® 12/14 $10,000 $10,000 $10,000 12/15 9,734 10,048 9,862 12/16 10,080 11,327 10,978 12/17 11,663 13,721 13,411 12/18 10,414 13,002 12,163 12/19 13,452 17,035 15,628 12/20 18,285 20,593 21,040 12/21 21,254 25,877 21,636 12/22 15,823 20,907 15,933 12/23 18,486 26,334 18,906 12/24 20,977 32,604 21,772
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years 10 Years Sit Small Cap Growth Fund 4.78% 13.48% 9.29% 7.69% Russell 3000 ® 9.03% 23.81% 13.86% 12.55% Russell 2000 ® 10.26% 15.15% 6.86% 8.09% The Fund continues to use the Russell 2000 ®
Material Change Date	Dec. 31, 2024
AssetsNet	$ 117,068,439
Holdings Count \| Holding	86
Advisory Fees Paid, Amount	$ 906,204
InvestmentCompanyPortfolioTurnover	4.55%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $117,068,439 # of Portfolio Holdings 86 Portfolio Turnover Rate 4.55% Investment Advisory Fees Paid $906,204 Weighted average market cap $17.1 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Health Technology 13.6 % Technology Services 12.8 Industrial Services 12.0 Producer Manufacturing 11.8 Electronic Technology 11.5 Finance 6.8 Non-Energy Minerals 4.8 Commercial Services 4.5 Health Services 4.5 Others 16.1 Cash and other net assets 1.6 Total 100.0%
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) Arista Networks, Inc. 4.6 % EMCOR Group, Inc. 3.1 Monolithic Power Systems, Inc. 2.6 Altair Engineering, Inc. 2.4 PTC, Inc. 2.4 Eagle Materials, Inc. 2.2 Globant SA 2.1 Waste Connections, Inc. 2.1 Argan, Inc. 1.9 TFI International, Inc. 1.9
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000009595
Shareholder Report [Line Items]
Fund Name	Sit International Growth Fund
No Trading Symbol [Flag]	true
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit International Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com
Additional Information Phone Number	1-800-332-5580
Additional Information Email	www.sitfunds.com</span>/documents" id="sjs-B260"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">www.sitfunds.com</span>/documents
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit International Growth Fund $43 0.85%
Expenses Paid, Amount	$ 43
Expense Ratio, Percent	0.85%
Line Graph [Table Text Block]	Sit International Growth Fund MSCI EAFE Index 12/14 $10,000 $10,000 12/15 10,486 9,919 12/16 9,788 10,018 12/17 12,139 12,526 12/18 10,164 10,798 12/19 12,824 13,176 12/20 15,213 14,205 12/21 17,019 15,805 12/22 13,270 13,521 12/23 15,919 15,987 12/24 16,803 16,598
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years 10 Years Sit International Growth Fund 2.19% 5.56% 5.55% 5.33% MSCI EAFE Index - 3.82% 4.73% 5.20%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 27,821,144
Holdings Count \| Holding	76
Advisory Fees Paid, Amount	$ 122,052
InvestmentCompanyPortfolioTurnover	2.60%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $27,821,144 # of Portfolio Holdings 76 Portfolio Turnover Rate 2.60% Investment Advisory Fees Paid $122,052 Weighted average market cap $178.8 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Finance 16.9 % Electronic Technology 15.6 Producer Manufacturing 12.1 Health Technology 10.5 Technology Services 9.1 Consumer Non-Durables 6.8 Consumer Services 5.2 Consumer Durables 3.5 Non-Energy Minerals 3.3 Others 15.5 Cash and other net assets 1.5 Total 100.0 %
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) Broadcom, Inc. 8.6 % Schneider Electric SE 3.6 Recruit Holdings Co., Ltd. 2.8 Shell, PLC, ADR 2.8 Sony Group Corp., ADR 2.7 ASML Holding NV 2.6 BAE Systems, PLC 2.5 Allianz SE 2.5 AstraZeneca, PLC, ADR 2.4 Partners Group Holding AG 2.4
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.
C000009597
Shareholder Report [Line Items]
Fund Name	Sit Developing Markets Growth Fund
No Trading Symbol [Flag]	true
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about Sit Developing Markets Growth Fund for the period of July 1, 2024 to December 31, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.sitfunds.com
Additional Information Phone Number	1-800-332-5580
Additional Information Email	www.sitfunds.com</span>/documents" id="sjs-B284"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">www.sitfunds.com</span>/documents
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Sit Developing Markets Growth Fund $49 0.95%
Expenses Paid, Amount	$ 49
Expense Ratio, Percent	0.95%
Line Graph [Table Text Block]	Sit Developing Markets Growth Fund MSCI Emerging Markets Index 12/14 $10,000 $10,000 12/15 8,412 8,304 12/16 8,714 9,017 12/17 12,481 12,114 12/18 10,640 10,098 12/19 12,743 11,656 12/20 15,692 13,503 12/21 14,301 12,883 12/22 11,844 10,001 12/23 12,712 10,705 12/24 14,444 11,246
Average Annual Return [Table Text Block]	Average Annual Total Returns (as of 12/31/24) 6 Months 1 Year 5 Years 10 Years Sit Developing Markets Growth Fund 5.10% 13.62% 2.54% 3.75% MSCI Emerging Markets Index - 5.05% - 1.18%
Material Change Date	Dec. 31, 2024
AssetsNet	$ 9,156,786
Holdings Count \| Holding	47
Advisory Fees Paid, Amount	$ 44,760
InvestmentCompanyPortfolioTurnover	1.57%
Additional Fund Statistics [Text Block]	Fund Statistics (as of 12/31/24) Total Net Assets $9,156,786 # of Portfolio Holdings 47 Portfolio Turnover Rate 1.57% Investment Advisory Fees Paid $44,760 Weighted average market cap $284.1 Billion
Holdings [Text Block]	Sector Allocation (% of Net Assets) Electronic Technology 32.7 % Finance 19.7 Technology Services 14.8 Consumer Services 6.2 Retail Trade 6.1 Investment Companies 5.6 Non-Energy Minerals 3.3 Consumer Non-Durables 2.6 Producer Manufacturing 2.2 Others 6.1 Cash and other net assets 0.7 Total 100.0 %
Largest Holdings [Text Block]	Top 10 Equity (% of Net Assets) Taiwan Semiconductor Co. 13.4 % Broadcom, Inc. 9.0 iShares MSCI India ETF 5.7 Tencent Holdings, Ltd. 4.8 Samsung Electronics Co., Ltd. 4.3 DBS Group Holdings, Ltd. 4.2 Naspers, Ltd. 3.4 HDFC Bank, Ltd., ADR 3.1 Globant SA 2.8 Trip.com Group, Ltd., ADR 2.5
Material Fund Change [Text Block]	Material Fund Changes There were no material changes to the Fund during the six-month period ended December 31, 2024.
Summary of Change Legend [Text Block]	There were no material changes to the Fund during the six-month period ended December 31, 2024.

Shareholder Report, Line Graph

Shareholder Report, Line Graph (Details) - USD ($)	1 Months Ended
Shareholder Report, Line Graph (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2014
C000009596
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Balanced Fund
Account Value	$ 23,958	$ 20,300	$ 16,552	$ 20,911	$ 17,850	$ 14,783	$ 12,249	$ 12,593	$ 10,695		$ 10,225	$ 10,000
C000009600
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Dividend Growth Fund - Class I
Account Value	$ 28,168	23,815	20,729	23,543	18,396	16,141	12,503	13,382	11,129		10,051	10,000
C000033658
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Dividend Growth Fund - Class S
Account Value	$ 27,462	23,290	20,319	23,141	18,126	15,947	12,377	13,278	11,077		10,025	10,000
C000069003
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Global Dividend Growth Fund - Class I
Account Value	$ 24,093	20,626	16,753	20,440	16,539	14,257	11,253	12,452	10,398		9,907	10,000
C000071096
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Global Dividend Growth Fund - Class S
Account Value	$ 23,490	20,162	16,421	20,090	16,299	14,078	11,137	12,365	10,344		9,879	10,000
C000170242
Account Value [Line Items]
Line Graph and Table Measure Name	Sit ESG Growth Fund - Class I
Account Value	$ 24,715	20,559	16,230	20,546	17,129	14,779	11,692	12,620	10,201	$ 10,000
C000170243
Account Value [Line Items]
Line Graph and Table Measure Name	Sit ESG Growth Fund - Class S
Account Value	$ 24,186	20,163	15,958	20,263	16,933	14,645	11,617	12,580	10,188	10,000
C000153295
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Small Cap Dividend Growth Fund - Class I
Account Value	$ 21,458	18,582	16,090	19,403	15,701	13,512	10,630	12,818	11,274		9,349
C000153296
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Small Cap Dividend Growth Fund - Class S
Account Value	$ 20,944	18,169	15,770	19,081	15,479	13,344	10,532	12,733	11,226		9,331
C000009598
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Small Cap Growth Fund
Account Value	$ 20,977	18,486	15,823	21,254	18,285	13,452	10,414	11,663	10,080		9,734	10,000
C000009595
Account Value [Line Items]
Line Graph and Table Measure Name	Sit International Growth Fund
Account Value	$ 16,803	15,919	13,270	17,019	15,213	12,824	10,164	12,139	9,788		10,486	10,000
C000009597
Account Value [Line Items]
Line Graph and Table Measure Name	Sit Developing Markets Growth Fund
Account Value	$ 14,444	12,712	11,844	14,301	15,692	12,743	10,640	12,481	8,714		8,412	10,000
Bloomberg U.S. Aggregate Bond Index
Account Value [Line Items]
Account Value	11,432	11,291	10,699	12,299	12,492	11,620	10,688	10,687	10,321		10,055	10,000
S&P 500® Index
Account Value [Line Items]
Account Value	34,254	27,399	21,696	26,494	20,585	17,386	13,223	13,829	11,351		10,138	10,000
S&P 500® Index
Account Value [Line Items]
Account Value	34,254	27,399	21,696	26,494	20,585	17,386	13,223	13,829	11,351		10,138	10,000
MSCI World Index
Account Value [Line Items]
Account Value	25,812	21,751	17,571	21,465	17,621	15,203	11,908	13,045	10,657		9,913	10,000
MSCI World Index
Account Value [Line Items]
Account Value	25,812	21,751	17,571	21,465	17,621	15,203	11,908	13,045	10,657		9,913	10,000
MSCI World Index
Account Value [Line Items]
Account Value	25,869	21,799	17,610	21,513	17,660	15,237	11,935	13,074	10,681	10,000
MSCI World Index
Account Value [Line Items]
Account Value	25,869	21,799	17,610	21,513	17,660	15,237	11,935	13,074	10,681	$ 10,000
Russell 3000® Index
Account Value [Line Items]
Account Value	32,027	25,868	20,537	25,420	20,229	16,734	12,772	13,478	11,127		9,870
Russell 3000® Index
Account Value [Line Items]
Account Value	32,027	25,868	20,537	25,420	20,229	16,734	12,772	13,478	11,127		9,870
Russell 3000® Index
Account Value [Line Items]
Account Value	32,604	26,334	20,907	25,877	20,593	17,035	13,002	13,721	11,327		10,048	10,000
MSCI EAFE Index
Account Value [Line Items]
Account Value	16,598	15,987	13,521	15,805	14,205	13,176	10,798	12,526	10,018		9,919	10,000
MSCI Emerging Markets Index
Account Value [Line Items]
Account Value	11,246	10,705	10,001	12,883	13,503	11,656	10,098	12,114	9,017		8,304	10,000
S&P 500® Index
Account Value [Line Items]
Account Value	34,254	27,399	21,696	26,494	20,585	17,386	13,223	13,829	11,351		10,138	10,000
Russell 2000® Index
Account Value [Line Items]
Account Value	20,345	18,241	15,600	19,607	17,076	14,235	11,340	12,744	11,116		9,163
Russell 2000® Index
Account Value [Line Items]
Account Value	20,345	18,241	15,600	19,607	17,076	14,235	11,340	12,744	11,116		9,163
Russell 2000® Growth Index
Account Value [Line Items]
Account Value	$ 21,772	$ 18,906	$ 15,933	$ 21,636	$ 21,040	$ 15,628	$ 12,163	$ 13,411	$ 10,978		$ 9,862	$ 10,000

Shareholder Report, Average Ann

Shareholder Report, Average Annual Return (Details)	1 Months Ended	6 Months Ended	12 Months Ended	60 Months Ended	102 Months Ended	117 Months Ended	120 Months Ended
Shareholder Report, Average Annual Return (Details)	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024
C000009596
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Balanced Fund
C000009600
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Dividend Growth Fund - Class I
C000033658
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Dividend Growth Fund - Class S
C000069003
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Global Dividend Growth Fund - Class I
C000071096
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Global Dividend Growth Fund - Class S
C000170242
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit ESG Growth Fund - Class I
C000170243
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit ESG Growth Fund - Class S
C000153295
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Small Cap Dividend Growth Fund - Class I
C000153296
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Small Cap Dividend Growth Fund - Class S
C000009598
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Small Cap Growth Fund
C000009595
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit International Growth Fund
C000009597
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Sit Developing Markets Growth Fund
Without Sales Load [Member] \| C000009596
Average Annual Return [Line Items]
Average Annual Return, Percent		5.89%	18.02%	10.14%			9.13%
Without Sales Load [Member] \| C000009600
Average Annual Return [Line Items]
Average Annual Return, Percent		5.89%	18.28%	11.78%			10.91%
Without Sales Load [Member] \| C000033658
Average Annual Return [Line Items]
Average Annual Return, Percent		5.68%	17.91%	11.48%			10.63%
Without Sales Load [Member] \| C000069003
Average Annual Return [Line Items]
Average Annual Return, Percent		5.26%	16.81%	11.06%			9.19%
Without Sales Load [Member] \| C000071096
Average Annual Return [Line Items]
Average Annual Return, Percent		5.12%	16.50%	10.78%			8.91%
Without Sales Load [Member] \| C000170242
Average Annual Return [Line Items]
Average Annual Return, Percent		5.51%	20.21%	10.83%	11.22%
Without Sales Load [Member] \| C000170243
Average Annual Return [Line Items]
Average Annual Return, Percent		5.42%	19.96%	10.55%	10.94%
Without Sales Load [Member] \| C000153295
Average Annual Return [Line Items]
Average Annual Return, Percent		6.58%	15.48%	9.69%		8.14%
Without Sales Load [Member] \| C000153296
Average Annual Return [Line Items]
Average Annual Return, Percent		6.51%	15.27%	9.44%		7.87%
Without Sales Load [Member] \| C000009598
Average Annual Return [Line Items]
Average Annual Return, Percent		4.78%	13.48%	9.29%			7.69%
Without Sales Load [Member] \| C000009595
Average Annual Return [Line Items]
Average Annual Return, Percent		2.19%	5.56%	5.55%			5.33%
Without Sales Load [Member] \| C000009597
Average Annual Return [Line Items]
Average Annual Return, Percent		5.10%	13.62%	2.54%			3.75%
Bloomberg U.S. Aggregate Bond Index
Average Annual Return [Line Items]
Average Annual Return, Percent		1.98%	1.25%	(0.33%)			1.35%
S&P 500® Index
Average Annual Return [Line Items]
Average Annual Return, Percent		8.44%	25.02%	14.53%			13.10%
S&P 500® Index
Average Annual Return [Line Items]
Average Annual Return, Percent		8.44%	25.02%	14.53%			13.10%
MSCI World Index
Average Annual Return [Line Items]
Average Annual Return, Percent		6.20%	18.67%	11.17%			9.95%
MSCI World Index
Average Annual Return [Line Items]
Average Annual Return, Percent		6.20%	18.67%	11.17%			9.95%
MSCI World Index
Average Annual Return [Line Items]
Average Annual Return, Percent		6.20%	18.67%	11.17%	11.82%
MSCI World Index
Average Annual Return [Line Items]
Average Annual Return, Percent		6.20%	18.67%	11.17%	11.82%
Russell 3000® Index
Average Annual Return [Line Items]
Average Annual Return, Percent		9.03%	23.81%	13.86%		12.66%
Russell 3000® Index
Average Annual Return [Line Items]
Average Annual Return, Percent		9.03%	23.81%	13.86%		12.66%
Russell 3000® Index
Average Annual Return [Line Items]
Average Annual Return, Percent		9.03%	23.81%	13.86%			12.55%
MSCI EAFE Index
Average Annual Return [Line Items]
Average Annual Return, Percent		(1.44%)	3.82%	4.73%			5.20%
MSCI Emerging Markets Index
Average Annual Return [Line Items]
Average Annual Return, Percent		(0.99%)	5.05%	(0.71%)			1.18%
S&P 500® Index
Average Annual Return [Line Items]
Average Annual Return, Percent		8.44%	25.02%	14.53%			13.10%
Russell 2000® Index
Average Annual Return [Line Items]
Average Annual Return, Percent		9.64%	11.54%	7.40%		7.55%
Russell 2000® Index
Average Annual Return [Line Items]
Average Annual Return, Percent		9.64%	11.54%	7.40%		7.55%
Russell 2000® Growth Index
Average Annual Return [Line Items]
Average Annual Return, Percent		10.26%	15.15%	6.86%			8.09%

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Dec. 31, 2024
C000009596 \| NVIDIA Corp.
Holdings [Line Items]
Percent of Net Asset Value	6.90%
C000009596 \| Apple, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000009596 \| Microsoft Corp.
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000009596 \| Alphabet, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.50%
C000009596 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	3.80%
C000009596 \| Amazon.com, Inc.
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000009596 \| Salesforce, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000009596 \| Meta Platforms, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000009596 \| UnitedHealth Group, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000009596 \| Goldman Sachs Group, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000009596 \| U.S. Treasury / Federal Agency Securities
Holdings [Line Items]
Percent of Net Asset Value	9%
C000009596 \| Taxable Municipal Securities
Holdings [Line Items]
Percent of Net Asset Value	6.10%
C000009596 \| Collateralized Mortgage Obligations
Holdings [Line Items]
Percent of Net Asset Value	6.10%
C000009596 \| Corporate Bonds
Holdings [Line Items]
Percent of Net Asset Value	5.10%
C000009596 \| Mortgage Pass-Through Securities
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000009596 \| Electronic Technology
Holdings [Line Items]
Percent of Net Asset Value	18%
C000009596 \| Technology Services
Holdings [Line Items]
Percent of Net Asset Value	17.20%
C000009596 \| Retail Trade
Holdings [Line Items]
Percent of Net Asset Value	6.60%
C000009596 \| Producer Manufacturing
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000009596 \| Health Technology
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000009596 \| Finance
Holdings [Line Items]
Percent of Net Asset Value	3.80%
C000009596 \| Consumer Services
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000009596 \| Health Services
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000009596 \| Consumer Non-Durables
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000009596 \| Others
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000009596 \| Equities
Holdings [Line Items]
Percent of Net Asset Value	64.20%
C000009596 \| Bonds
Holdings [Line Items]
Percent of Net Asset Value	34.10%
C000009600 \| NVIDIA Corp.
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000009600 \| Apple, Inc.
Holdings [Line Items]
Percent of Net Asset Value	6%
C000009600 \| Microsoft Corp.
Holdings [Line Items]
Percent of Net Asset Value	6.50%
C000009600 \| Alphabet, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000009600 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.10%
C000009600 \| Amazon.com, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000009600 \| Procter & Gamble Co.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000009600 \| Exxon Mobil Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000009600 \| JPMorgan Chase & Co.
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000009600 \| Williams Cos., Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.50%
C000009600 \| Technology Hardware, Storage & Peripherals
Holdings [Line Items]
Percent of Net Asset Value	20.20%
C000009600 \| Software
Holdings [Line Items]
Percent of Net Asset Value	14.90%
C000009600 \| Capital Markets
Holdings [Line Items]
Percent of Net Asset Value	14.70%
C000009600 \| Health Care Equipment & Supplies
Holdings [Line Items]
Percent of Net Asset Value	10.20%
C000009600 \| Electrical Equipment
Holdings [Line Items]
Percent of Net Asset Value	7.40%
C000009600 \| Electric Utilities
Holdings [Line Items]
Percent of Net Asset Value	5.50%
C000009600 \| Specialty Retail
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000009600 \| Health Care Providers & Services
Holdings [Line Items]
Percent of Net Asset Value	4.30%
C000009600 \| Ground Transportation
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000009600 \| Oil, Gas & Consumable Fuels
Holdings [Line Items]
Percent of Net Asset Value	14%
C000033658 \| NVIDIA Corp.
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000033658 \| Apple, Inc.
Holdings [Line Items]
Percent of Net Asset Value	6%
C000033658 \| Microsoft Corp.
Holdings [Line Items]
Percent of Net Asset Value	6.50%
C000033658 \| Alphabet, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000033658 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.10%
C000033658 \| Amazon.com, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000033658 \| Procter & Gamble Co.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000033658 \| Exxon Mobil Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000033658 \| JPMorgan Chase & Co.
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000033658 \| Williams Cos., Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.50%
C000033658 \| Technology Hardware, Storage & Peripherals
Holdings [Line Items]
Percent of Net Asset Value	20.20%
C000033658 \| Software
Holdings [Line Items]
Percent of Net Asset Value	14.90%
C000033658 \| Capital Markets
Holdings [Line Items]
Percent of Net Asset Value	14.70%
C000033658 \| Health Care Equipment & Supplies
Holdings [Line Items]
Percent of Net Asset Value	10.20%
C000033658 \| Electrical Equipment
Holdings [Line Items]
Percent of Net Asset Value	7.40%
C000033658 \| Electric Utilities
Holdings [Line Items]
Percent of Net Asset Value	5.50%
C000033658 \| Specialty Retail
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000033658 \| Health Care Providers & Services
Holdings [Line Items]
Percent of Net Asset Value	4.30%
C000033658 \| Ground Transportation
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000033658 \| Oil, Gas & Consumable Fuels
Holdings [Line Items]
Percent of Net Asset Value	14%
C000069003 \| NVIDIA Corp.
Holdings [Line Items]
Percent of Net Asset Value	2.90%
C000069003 \| Apple, Inc.
Holdings [Line Items]
Percent of Net Asset Value	8.50%
C000069003 \| Microsoft Corp.
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000069003 \| Alphabet, Inc.
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000069003 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	7.70%
C000069003 \| JPMorgan Chase & Co.
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000069003 \| Applied Materials, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000069003 \| Shell, PLC, ADR
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000069003 \| Accenture, PLC
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000069003 \| Arthur J Gallagher & Co.
Holdings [Line Items]
Percent of Net Asset Value	2%
C000069003 \| Technology Hardware, Storage & Peripherals
Holdings [Line Items]
Percent of Net Asset Value	22%
C000069003 \| Software
Holdings [Line Items]
Percent of Net Asset Value	16.90%
C000069003 \| Oil, Gas & Consumable Fuels
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000069003 \| Insurance
Holdings [Line Items]
Percent of Net Asset Value	16.80%
C000069003 \| Industrial Conglomerates
Holdings [Line Items]
Percent of Net Asset Value	9.90%
C000069003 \| Pharmaceuticals
Holdings [Line Items]
Percent of Net Asset Value	6.40%
C000069003 \| Beverages
Holdings [Line Items]
Percent of Net Asset Value	5%
C000069003 \| Professional Services
Holdings [Line Items]
Percent of Net Asset Value	3.50%
C000069003 \| Commercial Services & Supplies
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000069003 \| Road & Rail
Holdings [Line Items]
Percent of Net Asset Value	10.60%
C000069003 \| United States
Holdings [Line Items]
Percent of Net Asset Value	62.40%
C000069003 \| United Kingdom
Holdings [Line Items]
Percent of Net Asset Value	11.80%
C000069003 \| Germany
Holdings [Line Items]
Percent of Net Asset Value	5.30%
C000069003 \| Ireland
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000069003 \| Switzerland
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000069003 \| Australia
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000069003 \| Spain
Holdings [Line Items]
Percent of Net Asset Value	1.50%
C000069003 \| Japan
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000069003 \| Singapore
Holdings [Line Items]
Percent of Net Asset Value	1%
C000069003 \| France
Holdings [Line Items]
Percent of Net Asset Value	0.80%
C000071096 \| NVIDIA Corp.
Holdings [Line Items]
Percent of Net Asset Value	2.90%
C000071096 \| Apple, Inc.
Holdings [Line Items]
Percent of Net Asset Value	8.50%
C000071096 \| Microsoft Corp.
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000071096 \| Alphabet, Inc.
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000071096 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	7.70%
C000071096 \| JPMorgan Chase & Co.
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000071096 \| Applied Materials, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000071096 \| Shell, PLC, ADR
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000071096 \| Accenture, PLC
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000071096 \| Arthur J Gallagher & Co.
Holdings [Line Items]
Percent of Net Asset Value	2%
C000071096 \| Technology Hardware, Storage & Peripherals
Holdings [Line Items]
Percent of Net Asset Value	22%
C000071096 \| Software
Holdings [Line Items]
Percent of Net Asset Value	16.90%
C000071096 \| Oil, Gas & Consumable Fuels
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000071096 \| Insurance
Holdings [Line Items]
Percent of Net Asset Value	16.80%
C000071096 \| Industrial Conglomerates
Holdings [Line Items]
Percent of Net Asset Value	9.90%
C000071096 \| Pharmaceuticals
Holdings [Line Items]
Percent of Net Asset Value	6.40%
C000071096 \| Beverages
Holdings [Line Items]
Percent of Net Asset Value	5%
C000071096 \| Professional Services
Holdings [Line Items]
Percent of Net Asset Value	3.50%
C000071096 \| Commercial Services & Supplies
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000071096 \| Road & Rail
Holdings [Line Items]
Percent of Net Asset Value	10.60%
C000071096 \| United States
Holdings [Line Items]
Percent of Net Asset Value	62.40%
C000071096 \| United Kingdom
Holdings [Line Items]
Percent of Net Asset Value	11.80%
C000071096 \| Germany
Holdings [Line Items]
Percent of Net Asset Value	5.30%
C000071096 \| Ireland
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000071096 \| Switzerland
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000071096 \| Australia
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000071096 \| Spain
Holdings [Line Items]
Percent of Net Asset Value	1.50%
C000071096 \| Japan
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000071096 \| Singapore
Holdings [Line Items]
Percent of Net Asset Value	1%
C000071096 \| France
Holdings [Line Items]
Percent of Net Asset Value	0.80%
C000170242 \| NVIDIA Corp.
Holdings [Line Items]
Percent of Net Asset Value	10.60%
C000170242 \| Apple, Inc.
Holdings [Line Items]
Percent of Net Asset Value	7.70%
C000170242 \| Microsoft Corp.
Holdings [Line Items]
Percent of Net Asset Value	7.20%
C000170242 \| Alphabet, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4%
C000170242 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000170242 \| Goldman Sachs Group, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.90%
C000170242 \| Trane Technologies, PLC
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000170242 \| Home Depot, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000170242 \| salesforce.com, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000170242 \| Allianz SE, ADR
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000170242 \| Software
Holdings [Line Items]
Percent of Net Asset Value	19.40%
C000170242 \| Capital Markets
Holdings [Line Items]
Percent of Net Asset Value	10.90%
C000170242 \| Electric Utilities
Holdings [Line Items]
Percent of Net Asset Value	12%
C000170242 \| Specialty Retail
Holdings [Line Items]
Percent of Net Asset Value	3.90%
C000170242 \| Beverages
Holdings [Line Items]
Percent of Net Asset Value	4.70%
C000170242 \| Professional Services
Holdings [Line Items]
Percent of Net Asset Value	5.60%
C000170242 \| Semiconductors & Semiconductor Equipment
Holdings [Line Items]
Percent of Net Asset Value	22.10%
C000170242 \| Building Products
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000170242 \| Biotechnology
Holdings [Line Items]
Percent of Net Asset Value	8.60%
C000170242 \| United States
Holdings [Line Items]
Percent of Net Asset Value	58.50%
C000170242 \| United Kingdom
Holdings [Line Items]
Percent of Net Asset Value	12%
C000170242 \| Germany
Holdings [Line Items]
Percent of Net Asset Value	5.70%
C000170242 \| Ireland
Holdings [Line Items]
Percent of Net Asset Value	6.40%
C000170242 \| Switzerland
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000170242 \| Spain
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000170242 \| Japan
Holdings [Line Items]
Percent of Net Asset Value	5.90%
C000170242 \| Singapore
Holdings [Line Items]
Percent of Net Asset Value	1.10%
C000170242 \| France
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000170242 \| Denmark
Holdings [Line Items]
Percent of Net Asset Value	0.90%
C000170243 \| NVIDIA Corp.
Holdings [Line Items]
Percent of Net Asset Value	10.60%
C000170243 \| Apple, Inc.
Holdings [Line Items]
Percent of Net Asset Value	7.70%
C000170243 \| Microsoft Corp.
Holdings [Line Items]
Percent of Net Asset Value	7.20%
C000170243 \| Alphabet, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4%
C000170243 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000170243 \| Goldman Sachs Group, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.90%
C000170243 \| Trane Technologies, PLC
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000170243 \| Home Depot, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000170243 \| salesforce.com, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000170243 \| Allianz SE, ADR
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000170243 \| Software
Holdings [Line Items]
Percent of Net Asset Value	19.40%
C000170243 \| Capital Markets
Holdings [Line Items]
Percent of Net Asset Value	10.90%
C000170243 \| Electric Utilities
Holdings [Line Items]
Percent of Net Asset Value	12%
C000170243 \| Specialty Retail
Holdings [Line Items]
Percent of Net Asset Value	3.90%
C000170243 \| Beverages
Holdings [Line Items]
Percent of Net Asset Value	4.70%
C000170243 \| Professional Services
Holdings [Line Items]
Percent of Net Asset Value	5.60%
C000170243 \| Semiconductors & Semiconductor Equipment
Holdings [Line Items]
Percent of Net Asset Value	22.10%
C000170243 \| Building Products
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000170243 \| Biotechnology
Holdings [Line Items]
Percent of Net Asset Value	8.60%
C000170243 \| United States
Holdings [Line Items]
Percent of Net Asset Value	58.50%
C000170243 \| United Kingdom
Holdings [Line Items]
Percent of Net Asset Value	12%
C000170243 \| Germany
Holdings [Line Items]
Percent of Net Asset Value	5.70%
C000170243 \| Ireland
Holdings [Line Items]
Percent of Net Asset Value	6.40%
C000170243 \| Switzerland
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000170243 \| Spain
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000170243 \| Japan
Holdings [Line Items]
Percent of Net Asset Value	5.90%
C000170243 \| Singapore
Holdings [Line Items]
Percent of Net Asset Value	1.10%
C000170243 \| France
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000170243 \| Denmark
Holdings [Line Items]
Percent of Net Asset Value	0.90%
C000153295 \| EMCOR Group, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.70%
C000153295 \| KBR, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2%
C000153295 \| Monolithic Power Systems, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2%
C000153295 \| Argan, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2%
C000153295 \| Northern Oil & Gas, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000153295 \| TechnipFMC, PLC
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153295 \| Globant SA
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153295 \| Stifel Financial Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153295 \| Kodiak Gas Services, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000153295 \| Chord Energy Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000153295 \| Electrical Equipment
Holdings [Line Items]
Percent of Net Asset Value	11.20%
C000153295 \| Health Care Providers & Services
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000153295 \| Oil, Gas & Consumable Fuels
Holdings [Line Items]
Percent of Net Asset Value	20.80%
C000153295 \| Professional Services
Holdings [Line Items]
Percent of Net Asset Value	11.70%
C000153295 \| Semiconductors & Semiconductor Equipment
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000153295 \| Trading Companies & Distributors
Holdings [Line Items]
Percent of Net Asset Value	26.40%
C000153295 \| Life Sciences Tools & Services
Holdings [Line Items]
Percent of Net Asset Value	7%
C000153295 \| Chemicals
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000153295 \| Real Estate Management & Development
Holdings [Line Items]
Percent of Net Asset Value	3.80%
C000153296 \| EMCOR Group, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.70%
C000153296 \| KBR, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2%
C000153296 \| Monolithic Power Systems, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2%
C000153296 \| Argan, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2%
C000153296 \| Northern Oil & Gas, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000153296 \| TechnipFMC, PLC
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153296 \| Globant SA
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153296 \| Stifel Financial Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153296 \| Kodiak Gas Services, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000153296 \| Chord Energy Corp.
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000153296 \| Electrical Equipment
Holdings [Line Items]
Percent of Net Asset Value	11.20%
C000153296 \| Health Care Providers & Services
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000153296 \| Oil, Gas & Consumable Fuels
Holdings [Line Items]
Percent of Net Asset Value	20.80%
C000153296 \| Professional Services
Holdings [Line Items]
Percent of Net Asset Value	11.70%
C000153296 \| Semiconductors & Semiconductor Equipment
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000153296 \| Trading Companies & Distributors
Holdings [Line Items]
Percent of Net Asset Value	26.40%
C000153296 \| Life Sciences Tools & Services
Holdings [Line Items]
Percent of Net Asset Value	7%
C000153296 \| Chemicals
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000153296 \| Real Estate Management & Development
Holdings [Line Items]
Percent of Net Asset Value	3.80%
C000009598 \| EMCOR Group, Inc.
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000009598 \| Monolithic Power Systems, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.60%
C000009598 \| Argan, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000009598 \| Globant SA
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000009598 \| Arista Networks, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000009598 \| Altair Engineering, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000009598 \| PTC, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000009598 \| Eagle Materials, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000009598 \| Waste Connections, Inc.
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000009598 \| TFI International, Inc.
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000009598 \| Health TechnologyBNY-868459108
Holdings [Line Items]
Percent of Net Asset Value	13.60%
C000009598 \| Technology ServicesBNY-69370C100
Holdings [Line Items]
Percent of Net Asset Value	12.80%
C000009598 \| Industrial ServicesBNY-48242W106
Holdings [Line Items]
Percent of Net Asset Value	12%
C000009598 \| Producer ManufacturingBNY-224441105
Holdings [Line Items]
Percent of Net Asset Value	11.80%
C000009598 \| Electronic TechnologyBNY-040413205
Holdings [Line Items]
Percent of Net Asset Value	11.50%
C000009598 \| FinanceBNY-2677606
Holdings [Line Items]
Percent of Net Asset Value	6.80%
C000009598 \| Non-Energy MineralsBNY-26969P108
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000009598 \| Commercial ServicesBNY-00191U102
Holdings [Line Items]
Percent of Net Asset Value	4.50%
C000009598 \| Health ServicesBNY-006739106
Holdings [Line Items]
Percent of Net Asset Value	4.50%
C000009598 \| TransportationBNY-87241L109
Holdings [Line Items]
Percent of Net Asset Value	16.10%
C000009595 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	8.60%
C000009595 \| Shell, PLC, ADR
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000009595 \| Schneider Electric SE
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000009595 \| Recruit Holdings Co., Ltd.
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000009595 \| Sony Group Corp., ADR
Holdings [Line Items]
Percent of Net Asset Value	2.70%
C000009595 \| ASML Holding NV
Holdings [Line Items]
Percent of Net Asset Value	2.60%
C000009595 \| BAE Systems, PLC
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000009595 \| Allianz SE
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000009595 \| AstraZeneca, PLC, ADR
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000009595 \| Partners Group Holding AG
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000009595 \| FinanceBNY-7088429
Holdings [Line Items]
Percent of Net Asset Value	16.90%
C000009595 \| Electronic TechnologyBNY-11135F101
Holdings [Line Items]
Percent of Net Asset Value	15.60%
C000009595 \| Producer ManufacturingBNY-4834108
Holdings [Line Items]
Percent of Net Asset Value	12.10%
C000009595 \| Health TechnologyBNY-046353108
Holdings [Line Items]
Percent of Net Asset Value	10.50%
C000009595 \| Technology ServicesBNY-BQRRZ00
Holdings [Line Items]
Percent of Net Asset Value	9.10%
C000009595 \| Consumer Non-DurablesBNY-BPF0FP9
Holdings [Line Items]
Percent of Net Asset Value	6.80%
C000009595 \| Consumer ServicesBNY-BYWLC68
Holdings [Line Items]
Percent of Net Asset Value	5.20%
C000009595 \| Consumer DurablesBNY-835699307
Holdings [Line Items]
Percent of Net Asset Value	3.50%
C000009595 \| Non-Energy MineralsBNY-767204100
Holdings [Line Items]
Percent of Net Asset Value	3.30%
C000009595 \| Energy MineralsBNY-780259305
Holdings [Line Items]
Percent of Net Asset Value	15.50%
C000009595 \| United States
Holdings [Line Items]
Percent of Net Asset Value	10.10%
C000009595 \| United Kingdom
Holdings [Line Items]
Percent of Net Asset Value	19.40%
C000009595 \| Germany
Holdings [Line Items]
Percent of Net Asset Value	7.60%
C000009595 \| Switzerland
Holdings [Line Items]
Percent of Net Asset Value	7.50%
C000009595 \| Australia
Holdings [Line Items]
Percent of Net Asset Value	5%
C000009595 \| Japan
Holdings [Line Items]
Percent of Net Asset Value	8.70%
C000009595 \| Singapore
Holdings [Line Items]
Percent of Net Asset Value	3.30%
C000009595 \| France
Holdings [Line Items]
Percent of Net Asset Value	9.40%
C000009595 \| Canada
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000009595 \| Netherlands
Holdings [Line Items]
Percent of Net Asset Value	3.80%
C000009597 \| Broadcom, Inc.
Holdings [Line Items]
Percent of Net Asset Value	9%
C000009597 \| Globant SA
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000009597 \| Taiwan Semiconductor Co.
Holdings [Line Items]
Percent of Net Asset Value	13.40%
C000009597 \| iShares MSCI India ETF
Holdings [Line Items]
Percent of Net Asset Value	5.70%
C000009597 \| Tencent Holdings, Ltd.
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000009597 \| Samsung Electronics Co., Ltd.
Holdings [Line Items]
Percent of Net Asset Value	4.30%
C000009597 \| DBS Group Holdings, Ltd.
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000009597 \| Naspers, Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000009597 \| HDFC Bank, Ltd., ADR
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000009597 \| Trip.com Group, Ltd., ADR
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000009597 \| Beverages
Holdings [Line Items]
Percent of Net Asset Value	2.60%
C000009597 \| Semiconductors & Semiconductor Equipment
Holdings [Line Items]
Percent of Net Asset Value	32.70%
C000009597 \| Banks
Holdings [Line Items]
Percent of Net Asset Value	19.70%
C000009597 \| Interactive Media & Services
Holdings [Line Items]
Percent of Net Asset Value	14.80%
C000009597 \| Broadline Retail
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000009597 \| Internet & Direct Marketing Retail
Holdings [Line Items]
Percent of Net Asset Value	6.10%
C000009597 \| 0
Holdings [Line Items]
Percent of Net Asset Value	5.60%
C000009597 \| Metals & Mining
Holdings [Line Items]
Percent of Net Asset Value	3.30%
C000009597 \| Aerospace & Defense
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000009597 \| Gas Utilities
Holdings [Line Items]
Percent of Net Asset Value	6.10%
C000009597 \| United States
Holdings [Line Items]
Percent of Net Asset Value	9%
C000009597 \| Australia
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000009597 \| Singapore
Holdings [Line Items]
Percent of Net Asset Value	9%
C000009597 \| China
Holdings [Line Items]
Percent of Net Asset Value	20.80%
C000009597 \| Taiwan
Holdings [Line Items]
Percent of Net Asset Value	17.50%
C000009597 \| India
Holdings [Line Items]
Percent of Net Asset Value	9.40%
C000009597 \| South Korea
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000009597 \| South Africa
Holdings [Line Items]
Percent of Net Asset Value	6.80%
C000009597 \| Argentina
Holdings [Line Items]
Percent of Net Asset Value	3.80%
C000009597 \| Peru
Holdings [Line Items]
Percent of Net Asset Value	2.40%