Capital Language (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) $ / shares	Dec. 31, 2024 USD ($) $ / shares
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Stock, Par or Stated Value Per Share | $ / shares	$ 100	$ 100
Number of Subclasses of Capital Stock	2
Minimum Capital Stock Required to be Held by Members as a Percent of Total Assets at Preceeding Fiscal Year End, Subject to Cap and Floor	0.06%
Activity Based Capital Stock Required by Members as a Percent of Total Advances and Mortgage Loans Oustanding as Disclosed in the Statement of Condition	4.50%
Written Notice Period Required to Repurchase Excess Membership Capital Stock	15 days
Percentage of Activity Based Capital Stock Required by Members as a Percent of Total Standby Letters of Credit	0.10%
Excess Capital	$ 0	$ 0
Redemption Period Under Bank Capital Plan	5 years
Maximum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Federal Home Loan Banks, Membership Requirements, Capital Stock	$ 10,000,000
Minimum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Federal Home Loan Banks, Membership Requirements, Capital Stock	$ 10,000