fp0007778_485bpos-xbrl.htm

0001398344-13-004427.txt : 20130916 0001398344-13-004427.hdr.sgml : 20130916 20130916154551 ACCESSION NUMBER: 0001398344-13-004427 CONFORMED SUBMISSION TYPE: 485BPOS PUBLIC DOCUMENT COUNT: 7 FILED AS OF DATE: 20130916 DATE AS OF CHANGE: 20130916 EFFECTIVENESS DATE: 20130916 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Investment Managers Series Trust CENTRAL INDEX KEY: 0001318342 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 485BPOS SEC ACT: 1933 Act SEC FILE NUMBER: 333-122901 FILM NUMBER: 131098767 BUSINESS ADDRESS: STREET 1: 803 W. MICHIGAN ST. CITY: MILWAUKEE STATE: WI ZIP: 53233 BUSINESS PHONE: 626-914-4141 MAIL ADDRESS: STREET 1: 803 W. MICHIGAN ST. CITY: MILWAUKEE STATE: WI ZIP: 53233 FORMER COMPANY: FORMER CONFORMED NAME: Claymore Trust DATE OF NAME CHANGE: 20050603 FORMER COMPANY: FORMER CONFORMED NAME: Claymore Equity Trust DATE OF NAME CHANGE: 20050218 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Investment Managers Series Trust CENTRAL INDEX KEY: 0001318342 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 485BPOS SEC ACT: 1940 Act SEC FILE NUMBER: 811-21719 FILM NUMBER: 131098768 BUSINESS ADDRESS: STREET 1: 803 W. MICHIGAN ST. CITY: MILWAUKEE STATE: WI ZIP: 53233 BUSINESS PHONE: 626-914-4141 MAIL ADDRESS: STREET 1: 803 W. MICHIGAN ST. CITY: MILWAUKEE STATE: WI ZIP: 53233 FORMER COMPANY: FORMER CONFORMED NAME: Claymore Trust DATE OF NAME CHANGE: 20050603 FORMER COMPANY: FORMER CONFORMED NAME: Claymore Equity Trust DATE OF NAME CHANGE: 20050218

0001318342 S000041250 Segall Bryant & Hamill All Cap Fund

C000127904 Segall Bryant & Hamill All Cap Fund SBHAX

0001318342 S000041251 Segall Bryant & Hamill Small Cap Value Fund

C000127905 Segall Bryant & Hamill Small Cap Value Fund SBHVX

485BPOS 1 fp0007778_485bpos-xbrl.htm fp0007778_485bpos-xbrl.htm

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 16, 2013

REGISTRATION NOS. 333 -122901

811 -21719

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	[ ]
PRE-EFFECTIVE AMENDMENT NO.	[ ]
POST-EFFECTIVE AMENDMENT NO. 403	[X]
AND/OR

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	[ ]
AMENDMENT NO. 414	[X]

INVESTMENT MANAGERS SERIES TRUST

(Exact Name of Registrant as Specified in Charter)

803 West Michigan Street

Milwaukee, WI 53233

(Address of Principal Executive Offices, including Zip Code)

Registrant's Telephone Number, Including Area Code: (414) 299-2295

Constance Dye Shannon

UMB Fund Services, Inc.

803 West Michigan Street

Milwaukee, WI 53233

(Name and Address of Agent for Service)

COPIES TO:

Michael Glazer

Bingham McCutchen LLP

355 South Grand Avenue, Suite 4400

Los Angeles, CA 90071-3106

It is proposed that this filing will become effective (check appropriate box):

[X]

immediately upon filing pursuant to paragraph (b) of Rule 485; or

[ ]

on ______________, pursuant to paragraph (b) of Rule 485; or

[ ]

60 days after filing pursuant to paragraph (a)(1) of Rule 485;

[ ]

on ______________ pursuant to paragraph (a)(1) of Rule 485; or

[ ]

75 days after filing pursuant to paragraph (a)(2) of Rule 485; or

[ ]

on ______________ pursuant to paragraph (a)(2) of Rule 485; or

[ ]

on ______________ pursuant to paragraph (a)(3) of Rule 485.

If appropriate, check the following box:

[ ]	This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this registration statement under rule 485(b) under the Securities Act of 1933 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Milwaukee and State of Wisconsin, on the 16th day of September, 2013.

	INVESTMENT MANAGERS SERIES TRUST

	By:	/s/ John P. Zader
		John P. Zader, President

Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed on the 16th day of September, 2013, by the following persons in the capacities set forth below.

Signature		Title
†
Ashley Toomey Rabun		Trustee
†
William H. Young		Trustee
†
Charles H. Miller		Trustee
/s/ John P. Zader
John P. Zader		Trustee and President
†
Eric M. Banhazl /s/ Rita Dam		Trustee and Vice President
Rita Dam		Treasurer and Principal Financial and Accounting Officer

† By

/s/Rita Dam

Attorney-in-fact, pursuant to power of attorney previously filed

with Post-Effective Amendment No. 31 on February 1, 2008.

EXHIBIT INDEX

Exhibit	Exhibit No.
XBRL Instance Document	EX-101.INS
XBRL Taxonomy Extension Schema Document	EX-101.SCH
XBRL Taxonomy Extension Calculation Linkbase	EX-101.CALC
XBRL Taxonomy Extension Definition Linkbase	EX-101.DEF
XBRL Taxonomy Extension Labels Linkbase	EX-101.LAB
XBRL Taxonomy Extension Presentation Linkbase	EX-101.PRE

EX-101.INS 2 imstsegall-20130726.xml XBRL INSTANCE DOCUMENT 0001318342 2013-07-26 2013-07-26 0001318342 imstsegall:S000041250Member 2013-07-26 2013-07-26 0001318342 imstsegall:S000041250Member imstsegall:C000127904Member 2013-07-26 2013-07-26 iso4217:USD pure shares iso4217:USD shares 0001318342 Investment Managers Series Trust 485BPOS false SUMMARY SECTION All Cap Fund Investment Objective The Segall Bryant & Hamill All Cap Fund (the “Fund”) seeks long term capital appreciation. Fees and Expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. Shareholder Fees (fees paid directly from your investment) Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) <div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ShareholderFeesData column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div> 0 0 -0.02 20.00 15.00 15.00 <div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/OperatingExpensesData column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div> 0.0085 0 0.0051 0.0136 -0.0026 0.011 Example This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: <div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ExpenseExample column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div> 112 405 Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate. Principal Investment Strategies Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of companies of any size, including small and mid-capitalization companies. The Fund’s investments in equity securities will primarily be common stock of companies traded on U.S. exchanges with market capitalization in excess of $1 billion. The Fund intends to invest in a portfolio of securities typically spread across many economic sectors. The Fund’s advisor invests the Fund’s assets opportunistically based on market information and is not constrained by investment style parameters. The Fund’s advisor believes that returns in excess of general market returns can be achieved by actively managing investment portfolios. The Fund invests in companies that the advisor believes have superior growth potential and are trading at a discount to the advisor’s estimate of the companies’ intrinsic value. The advisor’s investment process is driven by fundamental research utilizing a combination of external and proprietary research in its selection process. Through a combination of quantitative analysis, fundamental analysis and experienced judgment, the advisor seeks to identify companies that have historically generated, or are positioned to generate, superior returns on investments. The advisor generally will sell a security when one or more of the following occurs: 1) the advisor’s estimate of full valuation is realized; 2) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); 3) there is change in a company’s underlying fundamentals; or 4) the Fund requires cash to meet redemption requests. Principal Risks of Investing The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. • Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry. • Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.  • Small- and Mid-Cap Company Risk: The securities of small- or mid-cap companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies. • Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results. • No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions. Performance The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year. SBHAX “Other expenses” have been estimated for the current fiscal year. 2014-10-31 Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year. 2013-07-26 2013-07-26 2013-07-26 2013-07-26 "Other expenses" have been estimated for the current fiscal year. The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.10%of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement. 0001318342 imstsegall:S000041251Member 2013-07-26 2013-07-26 0001318342 imstsegall:S000041251Member imstsegall:C000127905Member 2013-07-26 2013-07-26 SUMMARY SECTION Small Cap Value Fund Investment Objective The Segall Bryant & Hamill Small Cap Value Fund (the “Fund”) seeks long term capital appreciation. Fees and Expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. Shareholder Fees (fees paid directly from your investment) Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) <div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ShareholderFeesData column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div> 0 0 -0.02 20.00 15.00 15.00 <div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/OperatingExpensesData column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div> 0.0095 0 0.0051 0.0146 -0.0026 0.012 Example This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: <div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ExpenseExample column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div> 122 436 Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate. Principal Investment Strategies Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of small capitalization companies. The Fund’s investments in equity securities will primarily be common stock. The Fund considers small capitalization companies to be companies with capitalization within the range of the capitalization of those companies included in the Russell 2000 Value Index at the time of purchase. Because small capitalization companies are defined by reference to an index, the range of market capitalization of companies in which the Fund invests may vary with market conditions. As of June 30, 2013, the market capitalizations of companies included in the Russell 2000 Value Index were between $23 million and $5.6 billion. The Russell 2000 Value Index is reconstituted annually, typically on June 30 of each year, to seek to ensure that larger stocks do not distort the performance and characteristics of the Index and that the represented companies continue to reflect value characteristics. The advisor’s investment process is driven by a combination of quantitative analysis, fundamental analysis and experienced judgment. The advisor seeks to exploit the relatively inefficient small cap market by investing in companies the stocks of which are trading below the advisor’s estimate of their intrinsic value. The advisor searches for companies it believes are attractively priced relative to historical valuation, peer groups, and the market, concentrating most on cash flow capability over time. The advisor generally will sell a security when one or more of the following occurs:(1) the Advisor’s estimate of full valuation is realized; (2) the Fund’s position in a company becomes over-weighted due to appreciation; (3) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); (4) there is change in a company’s underlying fundamentals; or (5) the Fund requires cash to meet redemption requests. Principal Risks of Investing The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. • Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry. • Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests. • Small Cap Company Risk: The securities of small capitalization companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies. • Value Stock Risk: Value stocks are those that are believed to be undervalued in comparison to their peers. Value stocks involve the risk that the value of the security will not be recognized for an unexpectedly long period of time or that the security is not undervalued but is appropriately priced. The Fund’s focus on value investing may cause the Fund to underperform when growth investing is in favor. • Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results. • No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions. Performance The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year. SBHVX “Other expenses” have been estimated for the current fiscal year. 2014-10-31 Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year. "Other expenses" have been estimated for the current fiscal year. The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.20% of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement. 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S000041250Member Segall Bryant & Hamill All Cap Fund S000041251Member Segall Bryant & Hamill Small Cap Value Fund C000127904Member Segall Bryant & Hamill All Cap Fund Shares C000127905Member Segall Bryant & Hamill Small Cap Value Fund Shares Risk/Return: Risk/Return Investment objective: Investment objective Secondary objectives Fees and expenses of the fund: Fees and expenses of the fund, narrative Shareholder fees, caption Shareholder fees, table Maximum sales charge (load) imposed on purchases (as percentage of offering price) Maximum Cumulative Sales Charge / Other Maximum sales charge (load) imposed on purchases (as a percentage of offering price) Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) Maximum deferred sales charge (as a percentage of the amount redeemed) Maximum sales charge (load) imposed on reinvested dividends Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed) 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It is commonly abbreviated as CIK.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 false0CIK6false 2dei_AmendmentFlagdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsexbrli:booleanItemTypenaIf the value is true, then the document is an amendment to previously-filed/accepted document.No definition available.false0Amendment7false 2dei_DocumentCreationDatedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002013-07-26falsefalsetruexbrli:dateItemTypedateThe date the document was made available and submitted, in CCYY-MM-DD format. 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Usually it is a system-assigned date time value, but it may be declared by the submitter in some cases.No definition available.false0Effective Date9false 2rr_ProspectusDaterr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002013-07-26falsefalsetruexbrli:dateItemTypedateThe date of the prospectus.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 1 -Subsection a -Paragraph 3 false0Prospectus Date10false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2false truefalseimstsegall_S000041250http://www.sec.gov/CIK0001318342duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill All Cap Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041250Memberdei_LegalEntityAxisexplicitMembernanafalse0Segall Bryant & Hamill All Cap Fund11true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:12false 2rr_RiskReturnHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00SUMMARY SECTION All Cap Fundfalsefalsefalsexbrli:stringItemTypestringRisk/Return Summary Investment Objectives/Goals Include the following information, in plain English under rule 421(d) under the Securities Act, in the order and subject matter indicatedReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 false0Risk/Return13false 2rr_ObjectiveHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Investment Objectivefalsefalsefalsexbrli:stringItemTypestringInvestment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 -Subsection a false0Investment objective:14false 2rr_ObjectivePrimaryTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Segall Bryant & Hamill All Cap Fund (the “Fund”) seeks long term capital appreciation.falsefalsefalsenonnum:textBlockItemTypenaInvestment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 -Subsection a false0Investment objective15false 2rr_ExpenseHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Fees and Expenses of the Fundfalsefalsefalsexbrli:stringItemTypestringRisk/Return Summary Fee Table Includes the following information, in plain English under rule 421(d) under the Securities Act, after Item 2 Fees and expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Shareholder Fees (fees paid directly from your investment) Example This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover may indicate higher transaction costs. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was __% of the average value of its whole portfolio. Instructions. A.3.instructions.6 New Funds. For purposes of this Item, a "New Fund" is a Fund that does not include in Form N-1A financial statements reporting operating results or that includes financial statements for the Fund's initial fiscal year reporting operating results for a period of 6 months or less. 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The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount. Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph b false0Fees and expenses of the fund, narrative17false 2rr_ShareholderFeesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Shareholder Fees (fees paid directly from your investment) falsefalsefalsexbrli:stringItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 false0Shareholder fees, caption18false 2rr_OperatingExpensesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) falsefalsefalsexbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 7 false0Annual fund operating expenses, heading19false 2rr_FeeWaiverOrReimbursementOverAssetsDateOfTerminationrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002014-10-31falsefalsefalsexbrli:stringItemTypestringThis element represents the date of expected termination of any expense reimbursement or fee waiver arrangements that reduce any Fund operating expenses (SEC Form N-1A 2006-09-14 A.3.table.1.11 Total Annual Fund Operating Expenses A.3.instructions.3.e).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph e false0Date Of Termination20false 2rr_PortfolioTurnoverHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Portfolio Turnoverfalsefalsefalsexbrli:stringItemTypestringDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 5 false0Portfolio turnover, heading21false 2rr_PortfolioTurnoverTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. 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A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 3 false0Portfolio turnover, narrative22false 2rr_OtherExpensesNewFundBasedOnEstimatesrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00“Other expenses” have been estimated for the current fiscal year.falsefalsefalsexbrli:stringItemTypestringThis element represents the disclosure for new funds that "Other Expenses" are based on estimated amounts for the current fiscal year.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 6 -Subparagraph a false0Other Expenses, New Fund, Based on Estimates23false 2rr_ExpenseExampleHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Examplefalsefalsefalsexbrli:stringItemTypestringHeading for Expense Example.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false0Example, heading24false 2rr_ExpenseExampleNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:falsefalsefalsenonnum:textBlockItemTypenaThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 1 false0Expense Example, Narrative25false 2rr_StrategyHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Principal Investment Strategiesfalsefalsefalsexbrli:stringItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy, Heading26false 2rr_StrategyNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of companies of any size, including small and mid-capitalization companies. The Fund’s investments in equity securities will primarily be common stock of companies traded on U.S. exchanges with market capitalization in excess of $1 billion. The Fund intends to invest in a portfolio of securities typically spread across many economic sectors. The Fund’s advisor invests the Fund’s assets opportunistically based on market information and is not constrained by investment style parameters. The Fund’s advisor believes that returns in excess of general market returns can be achieved by actively managing investment portfolios. The Fund invests in companies that the advisor believes have superior growth potential and are trading at a discount to the advisor’s estimate of the companies’ intrinsic value. The advisor’s investment process is driven by fundamental research utilizing a combination of external and proprietary research in its selection process. Through a combination of quantitative analysis, fundamental analysis and experienced judgment, the advisor seeks to identify companies that have historically generated, or are positioned to generate, superior returns on investments. The advisor generally will sell a security when one or more of the following occurs: 1) the advisor’s estimate of full valuation is realized; 2) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); 3) there is change in a company’s underlying fundamentals; or 4) the Fund requires cash to meet redemption requests.falsefalsefalsenonnum:textBlockItemTypenaPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy, Narrative27false 2rr_RiskHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Principal Risks of Investingfalsefalsefalsexbrli:stringItemTypestringNarrative Risk Disclosure.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 false0Risk, Heading28false 2rr_RiskNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. • Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry. • Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.  • Small- and Mid-Cap Company Risk: The securities of small- or mid-cap companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies. • Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results. • No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions. falsefalsefalsenonnum:textBlockItemTypenaNarrative Risk Disclosure. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i -Clause instruction false0Risk, Narrative29false 2rr_RiskLoseMoneyrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.falsefalsefalsexbrli:stringItemTypestringSummarize the principal risks of investing in the Fund, including the risks to which the Fund's portfolio as a whole is subject and the circumstances reasonably likely to affect adversely the Fund's net asset value, yield, and total return. Unless the Fund is a Money Market Fund, disclose that loss of money is a risk of investing in the Fund. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i false0May Lose Money30false 2rr_BarChartAndPerformanceTableHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Performancefalsefalsefalsexbrli:stringItemTypestringRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false0Bar Chart and Performance Table, Heading31false 2rr_PerformanceNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.falsefalsefalsenonnum:textBlockItemTypenaRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false0Performance, Narrative32false 2rr_PerformanceOneYearOrLessrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.falsefalsefalsexbrli:stringItemTypestringFor a Fund that provides annual total returns for only one calendar year or for a Fund that does not include the bar chart because it does not have annual returns for a full calendar year, modify, as appropriate, the narrative explanation required by stating that the information gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance). Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 -Subparagraph i Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 -Subparagraph instructions -Clause 1 -Exhibit b false0Performance, One Year or Less33false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse3false USDtruefalse$imstsegall_S000041250_C000127904http://www.sec.gov/CIK0001318342duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill All Cap Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041250Memberdei_LegalEntityAxisexplicitMemberfalsefalseSegall Bryant & Hamill All Cap Fund Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_C000127904Memberrr_ProspectusShareClassAxisexplicitMemberRatioStandardhttp://www.xbrl.org/2003/instancepure0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Segall Bryant & Hamill All Cap Fund | Segall Bryant & Hamill All Cap Fund Shares34true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:35false 2dei_TradingSymboldei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00SBHAXfalsefalsefalsexbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No definition available.false0Trading Symbol36false 2rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false0Maximum sales charge (load) imposed on purchases (as a percentage of offering price)37false 2rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false0Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested)38false 2rr_RedemptionFeeOverRedemptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue-0.02-0.02falsefalsefalserr:NonPositivePure4Typepure"Redemption Fee" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. "Redemption Fee" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph b false0Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed)39false 2imstsegall_WireFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse20.0020.00USD$falsetruefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Wire fee40false 2imstsegall_CheckFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse15.0015.00USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Overnight check delivery fee41false 2rr_ShareholderFeeOtherrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue15.0015.00USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryOther ExpensesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 10 false2Retirement account fees (annual maintenance and full redemption requests)42false 2rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00850.0085falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false0Management fees43false 2rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false0Distribution (Rule 12b-1) fee44false 2rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00510.0051[1]falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false0Other expenses (includes shareholder service fee of up to 0.10%)45false 2rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01360.0136falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false0Total annual fund operating expenses46false 2rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue-0.0026-0.0026[2]falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Fee waiver and/or expense reimbursements47false 2rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.0110.011[2]falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Total annual fund operating expenses after fee waiver and/or expense reimbursements48false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue112112USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false2Expense Example, 1 YEAR49false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue405405USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false2Expense Example, 3 YEARS50false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse4false truefalseimstsegall_S000041251http://www.sec.gov/CIK0001318342duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill Small Cap Value Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041251Memberdei_LegalEntityAxisexplicitMembernanafalse0Segall Bryant & Hamill Small Cap Value Fund51true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:52false 2rr_RiskReturnHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00SUMMARY SECTION Small Cap Value Fundfalsefalsefalsexbrli:stringItemTypestringRisk/Return Summary Investment Objectives/Goals Include the following information, in plain English under rule 421(d) under the Securities Act, in the order and subject matter indicatedReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 false0Risk/Return53false 2rr_ObjectiveHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Investment Objectivefalsefalsefalsexbrli:stringItemTypestringInvestment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 -Subsection a false0Investment objective:54false 2rr_ObjectivePrimaryTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Segall Bryant & Hamill Small Cap Value Fund (the “Fund”) seeks long term capital appreciation.falsefalsefalsenonnum:textBlockItemTypenaInvestment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 -Subsection a false0Investment objective55false 2rr_ExpenseHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Fees and Expenses of the Fundfalsefalsefalsexbrli:stringItemTypestringRisk/Return Summary Fee Table Includes the following information, in plain English under rule 421(d) under the Securities Act, after Item 2 Fees and expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Shareholder Fees (fees paid directly from your investment) Example This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover may indicate higher transaction costs. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was __% of the average value of its whole portfolio. Instructions. A.3.instructions.6 New Funds. For purposes of this Item, a "New Fund" is a Fund that does not include in Form N-1A financial statements reporting operating results or that includes financial statements for the Fund's initial fiscal year reporting operating results for a period of 6 months or less. The following Instructions apply to New Funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph d false0Fees and expenses of the fund:56false 2rr_ExpenseNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.falsefalsefalsenonnum:textBlockItemTypenaThis table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Include the narrative explanations in the order indicated. A Fund may modify the narrative explanations if the explanation contains comparable information to that shown. The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount. Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph b false0Fees and expenses of the fund, narrative57false 2rr_ShareholderFeesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Shareholder Fees (fees paid directly from your investment) falsefalsefalsexbrli:stringItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 false0Shareholder fees, caption58false 2rr_OperatingExpensesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) falsefalsefalsexbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 7 false0Annual fund operating expenses, heading59false 2rr_FeeWaiverOrReimbursementOverAssetsDateOfTerminationrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002014-10-31falsefalsefalsexbrli:stringItemTypestringThis element represents the date of expected termination of any expense reimbursement or fee waiver arrangements that reduce any Fund operating expenses (SEC Form N-1A 2006-09-14 A.3.table.1.11 Total Annual Fund Operating Expenses A.3.instructions.3.e).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph e false0Date Of Termination60false 2rr_PortfolioTurnoverHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Portfolio Turnoverfalsefalsefalsexbrli:stringItemTypestringDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 5 false0Portfolio turnover, heading61false 2rr_PortfolioTurnoverTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate.falsefalsefalsenonnum:textBlockItemTypenaDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 3 false0Portfolio turnover, narrative62false 2rr_OtherExpensesNewFundBasedOnEstimatesrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00“Other expenses” have been estimated for the current fiscal year.falsefalsefalsexbrli:stringItemTypestringThis element represents the disclosure for new funds that "Other Expenses" are based on estimated amounts for the current fiscal year.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 6 -Subparagraph a false0Other Expenses, New Fund, Based on Estimates63false 2rr_ExpenseExampleHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Examplefalsefalsefalsexbrli:stringItemTypestringHeading for Expense Example.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false0Example, heading64false 2rr_ExpenseExampleNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:falsefalsefalsenonnum:textBlockItemTypenaThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 1 false0Expense Example, Narrative65false 2rr_StrategyHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Principal Investment Strategiesfalsefalsefalsexbrli:stringItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy, Heading66false 2rr_StrategyNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of small capitalization companies. The Fund’s investments in equity securities will primarily be common stock. The Fund considers small capitalization companies to be companies with capitalization within the range of the capitalization of those companies included in the Russell 2000 Value Index at the time of purchase. Because small capitalization companies are defined by reference to an index, the range of market capitalization of companies in which the Fund invests may vary with market conditions. As of June 30, 2013, the market capitalizations of companies included in the Russell 2000 Value Index were between $23 million and $5.6 billion. The Russell 2000 Value Index is reconstituted annually, typically on June 30 of each year, to seek to ensure that larger stocks do not distort the performance and characteristics of the Index and that the represented companies continue to reflect value characteristics. The advisor’s investment process is driven by a combination of quantitative analysis, fundamental analysis and experienced judgment. The advisor seeks to exploit the relatively inefficient small cap market by investing in companies the stocks of which are trading below the advisor’s estimate of their intrinsic value. The advisor searches for companies it believes are attractively priced relative to historical valuation, peer groups, and the market, concentrating most on cash flow capability over time. The advisor generally will sell a security when one or more of the following occurs:(1) the Advisor’s estimate of full valuation is realized; (2) the Fund’s position in a company becomes over-weighted due to appreciation; (3) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); (4) there is change in a company’s underlying fundamentals; or (5) the Fund requires cash to meet redemption requests.falsefalsefalsenonnum:textBlockItemTypenaPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy, Narrative67false 2rr_RiskHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Principal Risks of Investingfalsefalsefalsexbrli:stringItemTypestringNarrative Risk Disclosure.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 false0Risk, Heading68false 2rr_RiskNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. • Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry. • Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests. • Small Cap Company Risk: The securities of small capitalization companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies. • Value Stock Risk: Value stocks are those that are believed to be undervalued in comparison to their peers. Value stocks involve the risk that the value of the security will not be recognized for an unexpectedly long period of time or that the security is not undervalued but is appropriately priced. The Fund’s focus on value investing may cause the Fund to underperform when growth investing is in favor. • Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results. • No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions. falsefalsefalsenonnum:textBlockItemTypenaNarrative Risk Disclosure. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i -Clause instruction false0Risk, Narrative69false 2rr_RiskLoseMoneyrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.falsefalsefalsexbrli:stringItemTypestringSummarize the principal risks of investing in the Fund, including the risks to which the Fund's portfolio as a whole is subject and the circumstances reasonably likely to affect adversely the Fund's net asset value, yield, and total return. Unless the Fund is a Money Market Fund, disclose that loss of money is a risk of investing in the Fund. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i false0May Lose Money70false 2rr_BarChartAndPerformanceTableHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Performancefalsefalsefalsexbrli:stringItemTypestringRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false0Bar Chart and Performance Table, Heading71false 2rr_PerformanceNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.falsefalsefalsenonnum:textBlockItemTypenaRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false0Performance, Narrative72false 2rr_PerformanceOneYearOrLessrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.falsefalsefalsexbrli:stringItemTypestringFor a Fund that provides annual total returns for only one calendar year or for a Fund that does not include the bar chart because it does not have annual returns for a full calendar year, modify, as appropriate, the narrative explanation required by stating that the information gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance). Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 -Subparagraph i Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 -Subparagraph instructions -Clause 1 -Exhibit b false0Performance, One Year or Less73false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse5false USDtruefalse$imstsegall_S000041251_C000127905http://www.sec.gov/CIK0001318342duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill Small Cap Value Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041251Memberdei_LegalEntityAxisexplicitMemberfalsefalseSegall Bryant & Hamill Small Cap Value Fund Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_C000127905Memberrr_ProspectusShareClassAxisexplicitMemberRatioStandardhttp://www.xbrl.org/2003/instancepure0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Segall Bryant & Hamill Small Cap Value Fund | Segall Bryant & Hamill Small Cap Value Fund Shares74true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:75false 2dei_TradingSymboldei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00SBHVXfalsefalsefalsexbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No definition available.false0Trading Symbol76false 2rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false0Maximum sales charge (load) imposed on purchases (as a percentage of offering price)77false 2rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false0Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested)78false 2rr_RedemptionFeeOverRedemptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue-0.02-0.02falsefalsefalserr:NonPositivePure4Typepure"Redemption Fee" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. "Redemption Fee" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph b false0Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed)79false 2imstsegall_WireFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse20.0020.00USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Wire fee80false 2imstsegall_CheckFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse15.0015.00USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Overnight check delivery fee81false 2rr_ShareholderFeeOtherrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue15.0015.00USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryOther ExpensesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 10 false2Retirement account fees (annual maintenance and full redemption requests)82false 2rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00950.0095falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false0Management fees83false 2rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false0Distribution (Rule 12b-1) fee84false 2rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00510.0051[1]falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false0Other expenses (includes shareholder service fee of up to 0.10%)85false 2rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01460.0146falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false0Total annual fund operating expenses86false 2rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue-0.0026-0.0026[3]falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Fee waiver and/or expense reimbursements87false 2rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.0120.012[3]falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Total annual fund operating expenses after fee waiver and/or expense reimbursements88false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue122122USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false2Expense Example, 1 YEAR89false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue436436USD$falsetruefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false2Expense Example, 3 YEARS1 "Other expenses" have been estimated for the current fiscal year. 2 The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.10%of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement. 3 The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.20% of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. 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Label Element Value

Risk/Return: rr_RiskReturnAbstract

Document Type dei_DocumentType 485BPOS

Period End Date dei_DocumentPeriodEndDate Jul. 26, 2013

Registrant Name dei_EntityRegistrantName Investment Managers Series Trust

CIK dei_EntityCentralIndexKey 0001318342

Amendment dei_AmendmentFlag false

Creation Date dei_DocumentCreationDate Jul. 26, 2013

Effective Date dei_DocumentEffectiveDate Jul. 26, 2013

Prospectus Date rr_ProspectusDate Jul. 26, 2013

Segall Bryant & Hamill All Cap Fund

Risk/Return: rr_RiskReturnAbstract

Risk/Return rr_RiskReturnHeading
SUMMARY SECTION

All Cap Fund

Investment objective: rr_ObjectiveHeading
Investment Objective

Investment objective rr_ObjectivePrimaryTextBlock
The Segall Bryant & Hamill All Cap Fund (the “Fund”) seeks long term capital appreciation.

Fees and expenses of the fund: rr_ExpenseHeading
Fees and Expenses of the Fund

Fees and expenses of the fund, narrative rr_ExpenseNarrativeTextBlock
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.

Shareholder fees, caption rr_ShareholderFeesCaption
Shareholder Fees
(fees paid directly from your investment)

Annual fund operating expenses, heading rr_OperatingExpensesCaption
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)

Date Of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination 2014-10-31

Portfolio turnover, heading rr_PortfolioTurnoverHeading
Portfolio Turnover

Portfolio turnover, narrative rr_PortfolioTurnoverTextBlock
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate.

Other Expenses, New Fund, Based on Estimates rr_OtherExpensesNewFundBasedOnEstimates “Other expenses” have been estimated for the current fiscal year.

Example, heading rr_ExpenseExampleHeading
Example

Expense Example, Narrative rr_ExpenseExampleNarrativeTextBlock
This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Strategy, Heading rr_StrategyHeading
Principal Investment Strategies

Strategy, Narrative rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of companies of any size, including small and mid-capitalization companies. The Fund’s investments in equity securities will primarily be common stock of companies traded on U.S. exchanges with market capitalization in excess of $1 billion. The Fund intends to invest in a portfolio of securities typically spread across many economic sectors. The Fund’s advisor invests the Fund’s assets opportunistically based on market information and is not constrained by investment style parameters.

The Fund’s advisor believes that returns in excess of general market returns can be achieved by actively managing investment portfolios. The Fund invests in companies that the advisor believes have superior growth potential and are trading at a discount to the advisor’s estimate of the companies’ intrinsic value. The advisor’s investment process is driven by fundamental research utilizing a combination of external and proprietary research in its selection process. Through a combination of quantitative analysis, fundamental analysis and experienced judgment, the advisor seeks to identify companies that have historically generated, or are positioned to generate, superior returns on investments.

The advisor generally will sell a security when one or more of the following occurs: 1) the advisor’s estimate of full valuation is realized; 2) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); 3) there is change in a company’s underlying fundamentals; or 4) the Fund requires cash to meet redemption requests.

Risk, Heading rr_RiskHeading
Principal Risks of Investing

Risk, Narrative rr_RiskNarrativeTextBlock
The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.

• Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

• Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.

• Small- and Mid-Cap Company Risk: The securities of small- or mid-cap companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies.

• Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results.

• No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions.

May Lose Money rr_RiskLoseMoney Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.

Bar Chart and Performance Table, Heading rr_BarChartAndPerformanceTableHeading
Performance

Performance, Narrative rr_PerformanceNarrativeTextBlock
The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.

Performance, One Year or Less rr_PerformanceOneYearOrLess The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.

Segall Bryant & Hamill All Cap Fund | Segall Bryant & Hamill All Cap Fund Shares

Risk/Return: rr_RiskReturnAbstract

Trading Symbol dei_TradingSymbol SBHAX

Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none

Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) rr_MaximumDeferredSalesChargeOverOfferingPrice none

Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed) rr_RedemptionFeeOverRedemption (2.00%)

Wire fee imstsegall_WireFee $ 20.00

Overnight check delivery fee imstsegall_CheckFee 15.00

Retirement account fees (annual maintenance and full redemption requests) rr_ShareholderFeeOther 15.00

Management fees rr_ManagementFeesOverAssets 0.85%

Distribution (Rule 12b-1) fee rr_DistributionAndService12b1FeesOverAssets none

Other expenses (includes shareholder service fee of up to 0.10%) rr_OtherExpensesOverAssets 0.51% ^[1]

Total annual fund operating expenses rr_ExpensesOverAssets 1.36%

Fee waiver and/or expense reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.26%) ^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursements rr_NetExpensesOverAssets 1.10% ^[2]

Expense Example, 1 YEAR rr_ExpenseExampleYear01 112

Expense Example, 3 YEARS rr_ExpenseExampleYear03 405

Segall Bryant & Hamill Small Cap Value Fund

Risk/Return: rr_RiskReturnAbstract

Risk/Return rr_RiskReturnHeading
SUMMARY SECTION

Small Cap Value Fund

Investment objective: rr_ObjectiveHeading
Investment Objective

Investment objective rr_ObjectivePrimaryTextBlock
The Segall Bryant & Hamill Small Cap Value Fund (the “Fund”) seeks long term capital appreciation.

Fees and expenses of the fund: rr_ExpenseHeading
Fees and Expenses of the Fund

Fees and expenses of the fund, narrative rr_ExpenseNarrativeTextBlock
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.

Shareholder fees, caption rr_ShareholderFeesCaption
Shareholder Fees
(fees paid directly from your investment)

Annual fund operating expenses, heading rr_OperatingExpensesCaption
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)

Date Of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination 2014-10-31

Portfolio turnover, heading rr_PortfolioTurnoverHeading
Portfolio Turnover

Portfolio turnover, narrative rr_PortfolioTurnoverTextBlock
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate.

Other Expenses, New Fund, Based on Estimates rr_OtherExpensesNewFundBasedOnEstimates “Other expenses” have been estimated for the current fiscal year.

Example, heading rr_ExpenseExampleHeading
Example

Expense Example, Narrative rr_ExpenseExampleNarrativeTextBlock
This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Strategy, Heading rr_StrategyHeading
Principal Investment Strategies

Strategy, Narrative rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of small capitalization companies. The Fund’s investments in equity securities will primarily be common stock. The Fund considers small capitalization companies to be companies with capitalization within the range of the capitalization of those companies included in the Russell 2000 Value Index at the time of purchase. Because small capitalization companies are defined by reference to an index, the range of market capitalization of companies in which the Fund invests may vary with market conditions. As of June 30, 2013, the market capitalizations of companies included in the Russell 2000 Value Index were between $23 million and $5.6 billion. The Russell 2000 Value Index is reconstituted annually, typically on June 30 of each year, to seek to ensure that larger stocks do not distort the performance and characteristics of the Index and that the represented companies continue to reflect value characteristics.

The advisor’s investment process is driven by a combination of quantitative analysis, fundamental analysis and experienced judgment. The advisor seeks to exploit the relatively inefficient small cap market by investing in companies the stocks of which are trading below the advisor’s estimate of their intrinsic value. The advisor searches for companies it believes are attractively priced relative to historical valuation, peer groups, and the market, concentrating most on cash flow capability over time.

The advisor generally will sell a security when one or more of the following occurs:(1) the Advisor’s estimate of full valuation is realized; (2) the Fund’s position in a company becomes over-weighted due to appreciation; (3) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); (4) there is change in a company’s underlying fundamentals; or (5) the Fund requires cash to meet redemption requests.

Risk, Heading rr_RiskHeading
Principal Risks of Investing

Risk, Narrative rr_RiskNarrativeTextBlock
The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.

• Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

• Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.

• Small Cap Company Risk: The securities of small capitalization companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies.

• Value Stock Risk: Value stocks are those that are believed to be undervalued in comparison to their peers. Value stocks involve the risk that the value of the security will not be recognized for an unexpectedly long period of time or that the security is not undervalued but is appropriately priced. The Fund’s focus on value investing may cause the Fund to underperform when growth investing is in favor.

• Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results.

• No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions.

May Lose Money rr_RiskLoseMoney Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.

Bar Chart and Performance Table, Heading rr_BarChartAndPerformanceTableHeading
Performance

Performance, Narrative rr_PerformanceNarrativeTextBlock
The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.

Performance, One Year or Less rr_PerformanceOneYearOrLess The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.

Segall Bryant & Hamill Small Cap Value Fund | Segall Bryant & Hamill Small Cap Value Fund Shares

Risk/Return: rr_RiskReturnAbstract

Trading Symbol dei_TradingSymbol SBHVX

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Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) rr_MaximumDeferredSalesChargeOverOfferingPrice none

Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed) rr_RedemptionFeeOverRedemption (2.00%)

Wire fee imstsegall_WireFee 20.00

Overnight check delivery fee imstsegall_CheckFee 15.00

Retirement account fees (annual maintenance and full redemption requests) rr_ShareholderFeeOther 15.00

Management fees rr_ManagementFeesOverAssets 0.95%

Distribution (Rule 12b-1) fee rr_DistributionAndService12b1FeesOverAssets none

Other expenses (includes shareholder service fee of up to 0.10%) rr_OtherExpensesOverAssets 0.51% ^[1]

Total annual fund operating expenses rr_ExpensesOverAssets 1.46%

Fee waiver and/or expense reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.26%) ^[3]

Total annual fund operating expenses after fee waiver and/or expense reimbursements rr_NetExpensesOverAssets 1.20% ^[3]

Expense Example, 1 YEAR rr_ExpenseExampleYear01 122

Expense Example, 3 YEARS rr_ExpenseExampleYear03 $ 436

[1] "Other expenses" have been estimated for the current fiscal year.

[2] The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.10%of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement.

[3] The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.20% of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement.

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Risk/Return Summary Fee Table Includes the following information, in plain English under rule 421(d) under the Securities Act, after Item 2 Fees and expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Shareholder Fees (fees paid directly from your investment) Example This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover may indicate higher transaction costs. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was __% of the average value of its whole portfolio. Instructions. A.3.instructions.6 New Funds. For purposes of this Item, a "New Fund" is a Fund that does not include in Form N-1A financial statements reporting operating results or that includes financial statements for the Fund's initial fiscal year reporting operating results for a period of 6 months or less. The following Instructions apply to New Funds.

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Total Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.

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Segall Bryant & Hamill All Cap Fund

SUMMARY SECTION

All Cap Fund

Investment Objective

The Segall Bryant & Hamill All Cap Fund (the “Fund”) seeks long term capital appreciation.

Fees and Expenses of the Fund

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.

Shareholder Fees
(fees paid directly from your investment)

Shareholder Fees (USD $)

Segall Bryant & Hamill All Cap Fund

Segall Bryant & Hamill All Cap Fund Shares

Maximum sales charge (load) imposed on purchases (as a percentage of offering price) none

Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) none

Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed) 2.00%

Wire fee 20.00

Overnight check delivery fee 15.00

Retirement account fees (annual maintenance and full redemption requests) 15.00

Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses

Segall Bryant & Hamill All Cap Fund

Segall Bryant & Hamill All Cap Fund Shares

Management fees 0.85%

Distribution (Rule 12b-1) fee none

Other expenses (includes shareholder service fee of up to 0.10%) ^[1] 0.51%

Total annual fund operating expenses 1.36%

Fee waiver and/or expense reimbursements ^[2] (0.26%)

Total annual fund operating expenses after fee waiver and/or expense reimbursements ^[2] 1.10%

[1] "Other expenses" have been estimated for the current fiscal year.

[2] The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.10%of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement.

Example

This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example (USD $)

1 Year

3 Years

Segall Bryant & Hamill All Cap Fund Segall Bryant & Hamill All Cap Fund Shares
112 405

Portfolio Turnover

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate.

Principal Investment Strategies

Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of companies of any size, including small and mid-capitalization companies. The Fund’s investments in equity securities will primarily be common stock of companies traded on U.S. exchanges with market capitalization in excess of $1 billion. The Fund intends to invest in a portfolio of securities typically spread across many economic sectors. The Fund’s advisor invests the Fund’s assets opportunistically based on market information and is not constrained by investment style parameters.

The Fund’s advisor believes that returns in excess of general market returns can be achieved by actively managing investment portfolios. The Fund invests in companies that the advisor believes have superior growth potential and are trading at a discount to the advisor’s estimate of the companies’ intrinsic value. The advisor’s investment process is driven by fundamental research utilizing a combination of external and proprietary research in its selection process. Through a combination of quantitative analysis, fundamental analysis and experienced judgment, the advisor seeks to identify companies that have historically generated, or are positioned to generate, superior returns on investments.

The advisor generally will sell a security when one or more of the following occurs: 1) the advisor’s estimate of full valuation is realized; 2) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); 3) there is change in a company’s underlying fundamentals; or 4) the Fund requires cash to meet redemption requests.

Principal Risks of Investing

The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.

• Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

• Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.

• Small- and Mid-Cap Company Risk: The securities of small- or mid-cap companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies.

• Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results.

• No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions.

Performance

The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.

Segall Bryant & Hamill Small Cap Value Fund

SUMMARY SECTION

Small Cap Value Fund

Investment Objective

The Segall Bryant & Hamill Small Cap Value Fund (the “Fund”) seeks long term capital appreciation.

Fees and Expenses of the Fund

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.

Shareholder Fees
(fees paid directly from your investment)

Shareholder Fees (USD $)

Segall Bryant & Hamill Small Cap Value Fund

Segall Bryant & Hamill Small Cap Value Fund Shares

Maximum sales charge (load) imposed on purchases (as a percentage of offering price) none

Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) none

Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed) 2.00%

Wire fee 20.00

Overnight check delivery fee 15.00

Retirement account fees (annual maintenance and full redemption requests) 15.00

Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses

Segall Bryant & Hamill Small Cap Value Fund

Segall Bryant & Hamill Small Cap Value Fund Shares

Management fees 0.95%

Distribution (Rule 12b-1) fee none

Other expenses (includes shareholder service fee of up to 0.10%) ^[1] 0.51%

Total annual fund operating expenses 1.46%

Fee waiver and/or expense reimbursements ^[2] (0.26%)

Total annual fund operating expenses after fee waiver and/or expense reimbursements ^[2] 1.20%

[1] "Other expenses" have been estimated for the current fiscal year.

[2] The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.20% of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement.

Example

This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example (USD $)

1 Year

3 Years

Segall Bryant & Hamill Small Cap Value Fund Segall Bryant & Hamill Small Cap Value Fund Shares
122 436

Portfolio Turnover

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate.

Principal Investment Strategies

Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of small capitalization companies. The Fund’s investments in equity securities will primarily be common stock. The Fund considers small capitalization companies to be companies with capitalization within the range of the capitalization of those companies included in the Russell 2000 Value Index at the time of purchase. Because small capitalization companies are defined by reference to an index, the range of market capitalization of companies in which the Fund invests may vary with market conditions. As of June 30, 2013, the market capitalizations of companies included in the Russell 2000 Value Index were between $23 million and $5.6 billion. The Russell 2000 Value Index is reconstituted annually, typically on June 30 of each year, to seek to ensure that larger stocks do not distort the performance and characteristics of the Index and that the represented companies continue to reflect value characteristics.

The advisor’s investment process is driven by a combination of quantitative analysis, fundamental analysis and experienced judgment. The advisor seeks to exploit the relatively inefficient small cap market by investing in companies the stocks of which are trading below the advisor’s estimate of their intrinsic value. The advisor searches for companies it believes are attractively priced relative to historical valuation, peer groups, and the market, concentrating most on cash flow capability over time.

The advisor generally will sell a security when one or more of the following occurs:(1) the Advisor’s estimate of full valuation is realized; (2) the Fund’s position in a company becomes over-weighted due to appreciation; (3) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); (4) there is change in a company’s underlying fundamentals; or (5) the Fund requires cash to meet redemption requests.

Principal Risks of Investing

The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.

• Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

• Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.

• Small Cap Company Risk: The securities of small capitalization companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies.

• Value Stock Risk: Value stocks are those that are believed to be undervalued in comparison to their peers. Value stocks involve the risk that the value of the security will not be recognized for an unexpectedly long period of time or that the security is not undervalued but is appropriately priced. The Fund’s focus on value investing may cause the Fund to underperform when growth investing is in favor.

• Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results.

• No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions.

Performance

The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.

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Distribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.

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Risk/Return Summary Fee Table Includes the following information, in plain English under rule 421(d) under the Securities Act, after Item 2 Fees and expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Shareholder Fees (fees paid directly from your investment) Example This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover may indicate higher transaction costs. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was __% of the average value of its whole portfolio. Instructions. A.3.instructions.6 New Funds. For purposes of this Item, a "New Fund" is a Fund that does not include in Form N-1A financial statements reporting operating results or that includes financial statements for the Fund's initial fiscal year reporting operating results for a period of 6 months or less. The following Instructions apply to New Funds.

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This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Include the narrative explanations in the order indicated. A Fund may modify the narrative explanations if the explanation contains comparable information to that shown. The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount. Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.

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Total Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."

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Total Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.

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Management Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."

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Investment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).

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"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.

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Other Expenses

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Principal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.

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The following Instructions apply to New Funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph d false0Fees and expenses of the fund:6false 2rr_ExpenseNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.falsefalsefalsenonnum:textBlockItemTypenaThis table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Include the narrative explanations in the order indicated. A Fund may modify the narrative explanations if the explanation contains comparable information to that shown. The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount. Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph b false0Fees and expenses of the fund, narrative7false 2rr_ShareholderFeesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Shareholder Fees (fees paid directly from your investment) falsefalsefalsexbrli:stringItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 false0Shareholder fees, caption8false 2rr_ShareholderFeesTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ShareholderFeesData column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div>falsefalse<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ShareholderFeesData column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div>falsehttp://xbrl.sec.gov/rr/role/ShareholderFeesData020010 - Schedule - Shareholder Feestruefalsefalse1falseColumnperiodPeriod*Columndei_LegalEntityAxisAxisimstsegall_S000041250MemberColumnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill All Cap Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041250Memberdei_LegalEntityAxisexplicitMemberfalsefalseSegall Bryant & Hamill All Cap Fund Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_C000127904Memberrr_ProspectusShareClassAxisexplicitMemberSegall Bryant & Hamill All Cap FundSegall Bryant & Hamill All Cap Fund SharesRatioStandardhttp://www.xbrl.org/2003/instancepure0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 USDfalsefalseduration2013-07-26T00:00:002013-07-26T00:00:00$1falseRowprimaryElement*3false 2rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false0Maximum sales charge (load) imposed on purchases (as a percentage of offering price) 0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false0Maximum sales charge (load) imposed on purchases (as a percentage of offering price)2falseRowprimaryElement*4false 2rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false0Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) 0rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false0Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested)3falseRowprimaryElement*5false 2rr_RedemptionFeeOverRedemptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabelrr:NonPositivePure4Typepure"Redemption Fee" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. "Redemption Fee" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph b false0Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed) 0rr_RedemptionFeeOverRedemptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truetruetrue0.020.02falsefalsefalserr:NonPositivePure4Typepure"Redemption Fee" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. "Redemption Fee" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph b false0Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed)4falseRowprimaryElement*6false 2imstsegall_WireFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Wire fee 0imstsegall_WireFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse20.0020.00falsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Wire fee5falseRowprimaryElement*7false 2imstsegall_CheckFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Overnight check delivery fee 0imstsegall_CheckFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse15.0015.00falsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Overnight check delivery fee6falseRowprimaryElement*8false 2rr_ShareholderFeeOtherrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativeMonetaryTypemonetaryOther ExpensesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 10 false2Retirement account fees (annual maintenance and full redemption requests) 0rr_ShareholderFeeOtherrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue15.0015.00falsefalsefalserr:NonNegativeMonetaryTypemonetaryOther ExpensesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 10 false2Retirement account fees (annual maintenance and full redemption requests)falseShareholder Fees (USD $)UnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet160516010ColumnperiodPeriod*Columndei_LegalEntityAxisAxisimstsegall_S000041250MemberColumnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to ShareholderFeesData.No definition available.false0Shareholder fees, table9false 2rr_OperatingExpensesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) falsefalsefalsexbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 7 false0Annual fund operating expenses, heading10false 2rr_AnnualFundOperatingExpensesTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/OperatingExpensesData column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div>falsefalse<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/OperatingExpensesData column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div>falsehttp://xbrl.sec.gov/rr/role/OperatingExpensesData020020 - Schedule - Annual Fund Operating Expensestruefalsefalse1falseColumnperiodPeriod*Columndei_LegalEntityAxisAxisimstsegall_S000041250MemberColumnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill All Cap Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041250Memberdei_LegalEntityAxisexplicitMemberfalsefalseSegall Bryant & Hamill All Cap Fund Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_C000127904Memberrr_ProspectusShareClassAxisexplicitMemberSegall Bryant & Hamill All Cap FundSegall Bryant & Hamill All Cap Fund SharesRatioStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2013-07-26T00:00:002013-07-26T00:00:00$1falseRowprimaryElement*3false 2rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false0Management fees 0rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00850.0085falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false0Management fees2falseRowprimaryElement*4false 2rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false0Distribution (Rule 12b-1) fee 0rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false0Distribution (Rule 12b-1) fee3falseRowprimaryElement*5false 2rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false0Other expenses (includes shareholder service fee of up to 0.10%) 0rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse[1]1truetruetrue0.00510.0051falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false0Other expenses (includes shareholder service fee of up to 0.10%)4falseRowprimaryElement*6false 2rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false0Total annual fund operating expenses 0rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01360.0136falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false0Total annual fund operating expenses5falseRowprimaryElement*7false 2rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Fee waiver and/or expense reimbursements 0rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse[2]1truetruetrue-0.0026-0.0026falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Fee waiver and/or expense reimbursements6falseRowprimaryElement*8false 2rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Total annual fund operating expenses after fee waiver and/or expense reimbursements 0rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse[2]1truetruetrue0.0110.011falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Total annual fund operating expenses after fee waiver and/or expense reimbursements1 "Other expenses" have been estimated for the current fiscal year. 2 The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.10%of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement. falseAnnual Fund Operating Expenses UnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet160516010ColumnperiodPeriod*Columndei_LegalEntityAxisAxisimstsegall_S000041250MemberColumnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to OperatingExpensesData.No definition available.false0Annual fund operating expenses, table11false 2rr_ExpenseExampleHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Examplefalsefalsefalsexbrli:stringItemTypestringHeading for Expense Example.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false0Example, heading12false 2rr_ExpenseExampleNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:falsefalsefalsenonnum:textBlockItemTypenaThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 1 false0Expense Example, Narrative13false 2rr_ExpenseExampleWithRedemptionTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ExpenseExample column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div>falsefalse<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ExpenseExample column dei_LegalEntityAxis compact imstsegall_S000041250Member ~ </div>truehttp://xbrl.sec.gov/rr/role/ExpenseExample020030 - Schedule - Expense Example {Transposed}truefalsefalse1falseColumnprimaryElement*3false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabelrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false21 Year USDfalsefalse$2falseColumnprimaryElement*4false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabelrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false23 Years USDfalsefalse$1falseRowperiodPeriod*Rowdei_LegalEntityAxisAxisimstsegall_S000041250MemberRowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill All Cap Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041250Memberdei_LegalEntityAxisexplicitMemberfalsefalseSegall Bryant & Hamill All Cap Fund Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_C000127904Memberrr_ProspectusShareClassAxisexplicitMemberSegall Bryant & Hamill All Cap FundSegall Bryant & Hamill All Cap Fund SharesUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 0truefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue112112falsefalsefalse2truefalsetrue405405falsefalsefalsenanafalse0Segall Bryant & Hamill All Cap Fund Segall Bryant & Hamill All Cap Fund SharesfalseExpense Example (USD $)UnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet211021010ColumnprimaryElement*RowperiodPeriod*Rowdei_LegalEntityAxisAxisimstsegall_S000041250MemberRowrr_ProspectusShareClassAxisAxis*RowunitUnit*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to ExpenseExample.No definition available.false0Expense Example, with Redemption, table14false 2rr_PortfolioTurnoverHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Portfolio Turnoverfalsefalsefalsexbrli:stringItemTypestringDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 5 false0Portfolio turnover, heading15false 2rr_PortfolioTurnoverTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate.falsefalsefalsenonnum:textBlockItemTypenaDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 3 false0Portfolio turnover, narrative16false 2rr_StrategyHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Principal Investment Strategiesfalsefalsefalsexbrli:stringItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy, Heading17false 2rr_StrategyNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of companies of any size, including small and mid-capitalization companies. The Fund’s investments in equity securities will primarily be common stock of companies traded on U.S. exchanges with market capitalization in excess of $1 billion. The Fund intends to invest in a portfolio of securities typically spread across many economic sectors. The Fund’s advisor invests the Fund’s assets opportunistically based on market information and is not constrained by investment style parameters. The Fund’s advisor believes that returns in excess of general market returns can be achieved by actively managing investment portfolios. The Fund invests in companies that the advisor believes have superior growth potential and are trading at a discount to the advisor’s estimate of the companies’ intrinsic value. The advisor’s investment process is driven by fundamental research utilizing a combination of external and proprietary research in its selection process. Through a combination of quantitative analysis, fundamental analysis and experienced judgment, the advisor seeks to identify companies that have historically generated, or are positioned to generate, superior returns on investments. The advisor generally will sell a security when one or more of the following occurs: 1) the advisor’s estimate of full valuation is realized; 2) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); 3) there is change in a company’s underlying fundamentals; or 4) the Fund requires cash to meet redemption requests.falsefalsefalsenonnum:textBlockItemTypenaPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy, Narrative18false 2rr_RiskHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Principal Risks of Investingfalsefalsefalsexbrli:stringItemTypestringNarrative Risk Disclosure.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 false0Risk, Heading19false 2rr_RiskNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. • Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry. • Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.  • Small- and Mid-Cap Company Risk: The securities of small- or mid-cap companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies. • Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results. • No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions. falsefalsefalsenonnum:textBlockItemTypenaNarrative Risk Disclosure. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i -Clause instruction false0Risk, Narrative20false 2rr_BarChartAndPerformanceTableHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Performancefalsefalsefalsexbrli:stringItemTypestringRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false0Bar Chart and Performance Table, Heading21false 2rr_PerformanceNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.falsefalsefalsenonnum:textBlockItemTypenaRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false0Performance, Narrative22false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00Segall Bryant & Hamill Small Cap Value Fundfalsefalsefalse2false truefalseimstsegall_S000041251http://www.sec.gov/CIK0001318342duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseimstsegall_S000041251Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041251Memberdei_LegalEntityAxisexplicitMembernanafalse0Segall Bryant & Hamill Small Cap Value Fund23false 2rr_RiskReturnHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00SUMMARY SECTION Small Cap Value Fundfalsefalsefalsexbrli:stringItemTypestringRisk/Return Summary Investment Objectives/Goals Include the following information, in plain English under rule 421(d) under the Securities Act, in the order and subject matter indicatedReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 false0Risk/Return24false 2rr_ObjectiveHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Investment Objectivefalsefalsefalsexbrli:stringItemTypestringInvestment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 -Subsection a false0Investment objective:25false 2rr_ObjectivePrimaryTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Segall Bryant & Hamill Small Cap Value Fund (the “Fund”) seeks long term capital appreciation.falsefalsefalsenonnum:textBlockItemTypenaInvestment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 -Subsection a false0Investment objective26false 2rr_ExpenseHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Fees and Expenses of the Fundfalsefalsefalsexbrli:stringItemTypestringRisk/Return Summary Fee Table Includes the following information, in plain English under rule 421(d) under the Securities Act, after Item 2 Fees and expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Shareholder Fees (fees paid directly from your investment) Example This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover may indicate higher transaction costs. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was __% of the average value of its whole portfolio. Instructions. A.3.instructions.6 New Funds. For purposes of this Item, a "New Fund" is a Fund that does not include in Form N-1A financial statements reporting operating results or that includes financial statements for the Fund's initial fiscal year reporting operating results for a period of 6 months or less. The following Instructions apply to New Funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph d false0Fees and expenses of the fund:27false 2rr_ExpenseNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.falsefalsefalsenonnum:textBlockItemTypenaThis table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Include the narrative explanations in the order indicated. A Fund may modify the narrative explanations if the explanation contains comparable information to that shown. The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount. Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph b false0Fees and expenses of the fund, narrative28false 2rr_ShareholderFeesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Shareholder Fees (fees paid directly from your investment) falsefalsefalsexbrli:stringItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 false0Shareholder fees, caption29false 2rr_ShareholderFeesTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ShareholderFeesData column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div>falsefalse<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ShareholderFeesData column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div>falsehttp://xbrl.sec.gov/rr/role/ShareholderFeesData020010 - Schedule - Shareholder Feestruefalsefalse1falseColumnperiodPeriod*Columndei_LegalEntityAxisAxisimstsegall_S000041251MemberColumnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill Small Cap Value Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041251Memberdei_LegalEntityAxisexplicitMemberfalsefalseSegall Bryant & Hamill Small Cap Value Fund Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_C000127905Memberrr_ProspectusShareClassAxisexplicitMemberSegall Bryant & Hamill Small Cap Value FundSegall Bryant & Hamill Small Cap Value Fund SharesRatioStandardhttp://www.xbrl.org/2003/instancepure0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 USDfalsefalseduration2013-07-26T00:00:002013-07-26T00:00:00$1falseRowprimaryElement*3false 2rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false0Maximum sales charge (load) imposed on purchases (as a percentage of offering price) 0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false0Maximum sales charge (load) imposed on purchases (as a percentage of offering price)2falseRowprimaryElement*4false 2rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false0Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) 0rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false0Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested)3falseRowprimaryElement*5false 2rr_RedemptionFeeOverRedemptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabelrr:NonPositivePure4Typepure"Redemption Fee" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. "Redemption Fee" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph b false0Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed) 0rr_RedemptionFeeOverRedemptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truetruetrue0.020.02falsefalsefalserr:NonPositivePure4Typepure"Redemption Fee" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. "Redemption Fee" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph b false0Redemption fee if redeemed within 90 days of purchase (as a percentage of amount redeemed)4falseRowprimaryElement*6false 2imstsegall_WireFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Wire fee 0imstsegall_WireFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse20.0020.00falsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Wire fee5falseRowprimaryElement*7false 2imstsegall_CheckFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Overnight check delivery fee 0imstsegall_CheckFeeimstsegall_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse15.0015.00falsefalsefalserr:NonNegativeMonetaryTypemonetaryNo authoritative reference available.No definition available.false2Overnight check delivery fee6falseRowprimaryElement*8false 2rr_ShareholderFeeOtherrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativeMonetaryTypemonetaryOther ExpensesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 10 false2Retirement account fees (annual maintenance and full redemption requests) 0rr_ShareholderFeeOtherrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue15.0015.00falsefalsefalserr:NonNegativeMonetaryTypemonetaryOther ExpensesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 10 false2Retirement account fees (annual maintenance and full redemption requests)falseShareholder Fees (USD $)UnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet160516010ColumnperiodPeriod*Columndei_LegalEntityAxisAxisimstsegall_S000041251MemberColumnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to ShareholderFeesData.No definition available.false0Shareholder fees, table30false 2rr_OperatingExpensesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) falsefalsefalsexbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 7 false0Annual fund operating expenses, heading31false 2rr_AnnualFundOperatingExpensesTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/OperatingExpensesData column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div>falsefalse<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/OperatingExpensesData column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div>falsehttp://xbrl.sec.gov/rr/role/OperatingExpensesData020020 - Schedule - Annual Fund Operating Expensestruefalsefalse1falseColumnperiodPeriod*Columndei_LegalEntityAxisAxisimstsegall_S000041251MemberColumnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill Small Cap Value Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041251Memberdei_LegalEntityAxisexplicitMemberfalsefalseSegall Bryant & Hamill Small Cap Value Fund Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_C000127905Memberrr_ProspectusShareClassAxisexplicitMemberSegall Bryant & Hamill Small Cap Value FundSegall Bryant & Hamill Small Cap Value Fund SharesRatioStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2013-07-26T00:00:002013-07-26T00:00:00$1falseRowprimaryElement*3false 2rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false0Management fees 0rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00950.0095falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false0Management fees2falseRowprimaryElement*4false 2rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false0Distribution (Rule 12b-1) fee 0rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false0Distribution (Rule 12b-1) fee3falseRowprimaryElement*5false 2rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false0Other expenses (includes shareholder service fee of up to 0.10%) 0rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse[1]1truetruetrue0.00510.0051falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false0Other expenses (includes shareholder service fee of up to 0.10%)4falseRowprimaryElement*6false 2rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false0Total annual fund operating expenses 0rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01460.0146falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false0Total annual fund operating expenses5falseRowprimaryElement*7false 2rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Fee waiver and/or expense reimbursements 0rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse[2]1truetruetrue-0.0026-0.0026falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Fee waiver and/or expense reimbursements6falseRowprimaryElement*8false 2rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Total annual fund operating expenses after fee waiver and/or expense reimbursements 0rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse[2]1truetruetrue0.0120.012falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0Total annual fund operating expenses after fee waiver and/or expense reimbursements1 "Other expenses" have been estimated for the current fiscal year. 2 The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding, as applicable, taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.20% of the average daily net assets of the Fund. This agreement is in effect until October 31, 2014, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to limitations, for fees it waived and Fund expenses it reimbursed for three years from the date of any such waiver or reimbursement. falseAnnual Fund Operating Expenses UnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet160516010ColumnperiodPeriod*Columndei_LegalEntityAxisAxisimstsegall_S000041251MemberColumnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to OperatingExpensesData.No definition available.false0Annual fund operating expenses, table32false 2rr_ExpenseExampleHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Examplefalsefalsefalsexbrli:stringItemTypestringHeading for Expense Example.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false0Example, heading33false 2rr_ExpenseExampleNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:falsefalsefalsenonnum:textBlockItemTypenaThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 1 false0Expense Example, Narrative34false 2rr_ExpenseExampleWithRedemptionTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ExpenseExample column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div>falsefalse<div style="display: none;"> ~ http://xbrl.sec.gov/rr/role/ExpenseExample column dei_LegalEntityAxis compact imstsegall_S000041251Member ~ </div>truehttp://xbrl.sec.gov/rr/role/ExpenseExample020030 - Schedule - Expense Example {Transposed}truefalsefalse1falseColumnprimaryElement*3false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabelrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false21 Year USDfalsefalse$2falseColumnprimaryElement*4false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabelrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false23 Years USDfalsefalse$1falseRowperiodPeriod*Rowdei_LegalEntityAxisAxisimstsegall_S000041251MemberRowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2013-07-26T00:00:002013-07-26T00:00:00falsefalseSegall Bryant & Hamill Small Cap Value Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_S000041251Memberdei_LegalEntityAxisexplicitMemberfalsefalseSegall Bryant & Hamill Small Cap Value Fund Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldiimstsegall_C000127905Memberrr_ProspectusShareClassAxisexplicitMemberSegall Bryant & Hamill Small Cap Value FundSegall Bryant & Hamill Small Cap Value Fund SharesUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 0truefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue122122falsefalsefalse2truefalsetrue436436falsefalsefalsenanafalse0Segall Bryant & Hamill Small Cap Value Fund Segall Bryant & Hamill Small Cap Value Fund SharesfalseExpense Example (USD $)UnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet211021010ColumnprimaryElement*RowperiodPeriod*Rowdei_LegalEntityAxisAxisimstsegall_S000041251MemberRowrr_ProspectusShareClassAxisAxis*RowunitUnit*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to ExpenseExample.No definition available.false0Expense Example, with Redemption, table35false 2rr_PortfolioTurnoverHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Portfolio Turnoverfalsefalsefalsexbrli:stringItemTypestringDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 5 false0Portfolio turnover, heading36false 2rr_PortfolioTurnoverTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund is newly-created and, as a result, does not yet have a portfolio turnover rate.falsefalsefalsenonnum:textBlockItemTypenaDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 3 false0Portfolio turnover, narrative37false 2rr_StrategyHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Principal Investment Strategiesfalsefalsefalsexbrli:stringItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy, Heading38false 2rr_StrategyNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in equity securities of small capitalization companies. The Fund’s investments in equity securities will primarily be common stock. The Fund considers small capitalization companies to be companies with capitalization within the range of the capitalization of those companies included in the Russell 2000 Value Index at the time of purchase. Because small capitalization companies are defined by reference to an index, the range of market capitalization of companies in which the Fund invests may vary with market conditions. As of June 30, 2013, the market capitalizations of companies included in the Russell 2000 Value Index were between $23 million and $5.6 billion. The Russell 2000 Value Index is reconstituted annually, typically on June 30 of each year, to seek to ensure that larger stocks do not distort the performance and characteristics of the Index and that the represented companies continue to reflect value characteristics. The advisor’s investment process is driven by a combination of quantitative analysis, fundamental analysis and experienced judgment. The advisor seeks to exploit the relatively inefficient small cap market by investing in companies the stocks of which are trading below the advisor’s estimate of their intrinsic value. The advisor searches for companies it believes are attractively priced relative to historical valuation, peer groups, and the market, concentrating most on cash flow capability over time. The advisor generally will sell a security when one or more of the following occurs:(1) the Advisor’s estimate of full valuation is realized; (2) the Fund’s position in a company becomes over-weighted due to appreciation; (3) a more attractive stock is identified (in which case the least attractive stock in the portfolio is sold); (4) there is change in a company’s underlying fundamentals; or (5) the Fund requires cash to meet redemption requests.falsefalsefalsenonnum:textBlockItemTypenaPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy, Narrative39false 2rr_RiskHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Principal Risks of Investingfalsefalsefalsexbrli:stringItemTypestringNarrative Risk Disclosure.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 false0Risk, Heading40false 2rr_RiskNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund’s principal risks are mentioned below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. • Market Risk: The market value of a security or instrument may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry. • Equity Risk: The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests. • Small Cap Company Risk: The securities of small capitalization companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than are larger, more established companies. • Value Stock Risk: Value stocks are those that are believed to be undervalued in comparison to their peers. Value stocks involve the risk that the value of the security will not be recognized for an unexpectedly long period of time or that the security is not undervalued but is appropriately priced. The Fund’s focus on value investing may cause the Fund to underperform when growth investing is in favor. • Management Risk: The Fund’s portfolio is actively managed. The Fund’s advisor applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results. • No Operating History: The Fund is a newly organized, diversified, series of an open-end management investment company and has no operating history. As a result, prospective investors have no track record or history on which to base their investment decisions. falsefalsefalsenonnum:textBlockItemTypenaNarrative Risk Disclosure. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i -Clause instruction false0Risk, Narrative41false 2rr_BarChartAndPerformanceTableHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Performancefalsefalsefalsexbrli:stringItemTypestringRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false0Bar Chart and Performance Table, Heading42false 2rr_PerformanceNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund is new and does not have a full calendar year performance record to compare against other mutual funds or broad measures of securities market performance such as indices. Performance information will be available after the Fund has been in operation for one calendar year.falsefalsefalsenonnum:textBlockItemTypenaRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false0Performance, NarrativefalseRisk/Return SummaryUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://xbrl.sec.gov/rr/role/RiskReturn142