Cover Page - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	May 30, 2023	Jun. 30, 2022
Entity Information [Line Items]
Document Type	10-K/A
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
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
Entity Shell Company	false
Entity Public Float			$ 0
Amendment Description	Federal Home Loan Bank of Topeka (“FHLBank Topeka”) is filing this Amendment No. 1 on Form 10-K/A (this “Amendment”) to amend the FHLBank’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022 (the “Original 10-K”), originally filed with the Securities and Exchange Commission on March 20, 2023, solely to substitute and replace in its entirety the Federal Home Loan Bank of Topeka Audit Committee Report for the fiscal year ended December 31, 2021 (the “2021 Audit Committee Report”), inadvertently incorporated into the Original 10-K as Exhibit 99.2, with the Audit Committee Report for the fiscal year ended December 31, 2022, as adopted by the FHLBank Topeka Audit Committee on March 20, 2023 (the “2022 Audit Committee Report”). In addition to replacement of the 2021 Audit Committee Report with the 2022 Audit Committee Report, Part IV Item 15 “Exhibit and Financial Statement Schedules” is amended to incorporate by reference the 2022 Audit Committee Report as Exhibit 99.2.
Amendment Flag	true
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Entity Central Index Key	0001325878
Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		3,315,934
Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		23,551,756