v3.25.4

Cover Page - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Cover Page - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2025	Feb. 27, 2026	Jun. 30, 2025
Entity Information [Line Items]
Document Type		10-K
Document Annual Report		true
Document Transition Report		false
Document Period End Date		Dec. 31, 2025
Current Fiscal Year End Date		--12-31
Entity File Number		000-52004
Entity Registrant Name		FEDERAL HOME LOAN BANK OF TOPEKA
Entity Incorporation, State or Country Code		X1
Entity Tax Identification Number		48-0561319
Entity Address, Address Line One		500 SW Wanamaker Road
Entity Address, City or Town		Topeka
Entity Address, State or Province		KS
Entity Address, Postal Zip Code		66606
City Area Code		785
Local Phone Number		233.0507
Entity Well-known Seasoned Issuer		No
Entity Voluntary Filers		No
Entity Current Reporting Status		Yes
Entity Interactive Data Current		Yes
Entity Filer Category		Non-accelerated Filer
Entity Small Business		false
Entity Emerging Growth Company		false
ICFR Auditor Attestation Flag		true
Document Financial Statement Error Correction [Flag]		false
Entity Shell Company		false
Entity Public Float				$ 0
Entity Central Index Key		0001325878
Amendment Flag		false
Document Fiscal Year Focus		2025
Document Fiscal Period Focus		FY
No Insider Trading Flag	true
Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding			3,066,551
Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding			22,343,926

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Section 310

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Name of the state or province.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.

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Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Two-character EDGAR code representing the state or country of incorporation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Indicates that the company is a Smaller Reporting Company (SRC).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.

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Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Local phone number for entity.

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There are no Item 9.B insider trading disclosures if Form 10-K filing or no Item 5 insider trading disclosures if Form 10-Q filing.

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Federal Home Loan Bank of Topeka 10-K