For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

Name:	us-gaap_CashAndDueFromBanks
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

Fair Values of Financial Instruments - Schedule of Estimated Fair Values (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Assets
Cash and due from banks	$ 54,446		$ 38,192
Interest-bearing deposits	3,730,000		2,960,000
Securities purchased under agreements to resell	9,920,000		15,950,000
Federal funds sold	18,036,000		11,550,000
Trading securities	10,433,522		7,387,187
Equity Investments	108,912		103,707
Available-for-sale securities	12,720,131		12,345,845
Held-to-maturity securities	11,825,765		10,384,380
Advances	127,295,633		92,306,684
Accrued interest receivable	627,719		523,973
Derivative assets	1,694,917		1,731,523
Total netting adjustments and cash collateral	(1,603,045)		(1,631,975)
Liabilities
Bonds	87,695,408		68,466,741
Discount notes	96,790,101		76,019,517
Mandatorily redeemable capital stock	7,204	$ 7,737	7,585	$ 8,973	$ 4,322	$ 4,509
Accrued interest payable	456,724		470,265
Derivative liabilities	1,642,996		1,760,052
Derivative liabilities, netting adjustment and cash collateral	(1,635,775)		(1,755,955)
Reported Value Measurement
Assets
Cash and due from banks	54,446		38,192
Interest-bearing deposits	3,730,000		2,960,000
Securities purchased under agreements to resell	9,920,000		15,950,000
Federal funds sold	18,036,000		11,550,000
Trading securities	10,433,522		7,387,187
Equity Investments	108,912		103,707
Available-for-sale securities	12,720,131		12,345,845
Held-to-maturity securities	11,962,008		10,490,167
Advances	127,295,633		92,306,684
Mortgage loans held-for-portfolio, net	2,761,344		2,644,449
Accrued interest receivable	627,719		523,973
Derivative assets	91,872		99,548
Other financial assets	51		52
Liabilities
Deposits	2,726,093		3,089,961
Bonds	87,695,408		68,466,741
Discount notes	96,790,101		76,019,517
Mandatorily redeemable capital stock	7,204		7,585
Accrued interest payable	456,724		470,265
Derivative liabilities	7,221		4,097
Estimate of Fair Value Measurement
Assets
Cash and due from banks	54,446		38,192
Interest-bearing deposits	3,730,011		2,960,027
Securities purchased under agreements to resell	9,920,022		15,950,204
Federal funds sold	18,036,030		11,550,081
Trading securities	10,433,522		7,387,187
Equity Investments	108,912		103,707
Available-for-sale securities	12,720,131		12,345,845
Held-to-maturity securities	11,825,765		10,384,380
Advances	127,467,980		92,514,300
Mortgage loans held-for-portfolio, net	2,544,385		2,451,042
Accrued interest receivable	627,719		523,973
Derivative assets	91,872		99,548
Other financial assets	51		52
Liabilities
Deposits	2,725,571		3,088,772
Bonds	87,386,554		68,215,010
Discount notes	96,804,647		76,045,773
Mandatorily redeemable capital stock	7,204		7,585
Accrued interest payable	456,724		470,265
Derivative liabilities	7,221		4,097
Estimate of Fair Value Measurement \| Level 1
Assets
Cash and due from banks	54,446		38,192
Interest-bearing deposits	0		0
Securities purchased under agreements to resell	0		0
Federal funds sold	0		0
Trading securities	10,433,522		7,387,187
Equity Investments	108,912		103,707
Available-for-sale securities	551,368		560,272
Held-to-maturity securities	0		0
Advances	0		0
Mortgage loans held-for-portfolio, net	0		0
Accrued interest receivable	0		0
Derivative assets	0		0
Other financial assets	0		0
Liabilities
Deposits	0		0
Bonds	0		0
Discount notes	0		0
Mandatorily redeemable capital stock	7,204		7,585
Accrued interest payable	0		0
Derivative liabilities	0		0
Estimate of Fair Value Measurement \| Level 2
Assets
Cash and due from banks	0		0
Interest-bearing deposits	3,730,011		2,960,027
Securities purchased under agreements to resell	9,920,022		15,950,204
Federal funds sold	18,036,030		11,550,081
Trading securities	0		0
Equity Investments	0		0
Available-for-sale securities	10,502,589		10,121,050
Held-to-maturity securities	11,657,081		10,237,595
Advances	127,467,980		92,514,300
Mortgage loans held-for-portfolio, net	2,544,385		2,451,042
Accrued interest receivable	627,719		523,973
Derivative assets	1,694,917		1,731,523
Other financial assets	0		0
Liabilities
Deposits	2,725,571		3,088,772
Bonds	87,386,554		68,215,010
Discount notes	96,804,647		76,045,773
Mandatorily redeemable capital stock	0		0
Accrued interest payable	456,724		470,265
Derivative liabilities	1,642,996		1,760,052
Estimate of Fair Value Measurement \| Level 3
Assets
Cash and due from banks	0		0
Interest-bearing deposits	0		0
Securities purchased under agreements to resell	0		0
Federal funds sold	0		0
Trading securities	0		0
Equity Investments	0		0
Available-for-sale securities	1,666,174		1,664,523
Held-to-maturity securities	168,684		146,785
Advances	0		0
Mortgage loans held-for-portfolio, net	0		0
Accrued interest receivable	0		0
Derivative assets	0		0
Other financial assets	51		52
Liabilities
Deposits	0		0
Bonds	0		0
Discount notes	0		0
Mandatorily redeemable capital stock	0		0
Accrued interest payable	0		0
Derivative liabilities	$ 0		$ 0