CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025
Disbursements on reverse repurchase agreements	$ 0	$ (2,268,875)
Receipts from reverse repurchase agreements	0	2,767,125
Proceeds from repurchase agreements	124,246,399	106,444,574
Principal repayments on repurchase agreements	(122,809,067)	(101,099,228)
U.S. Treasury Securities
Purchases of securities	501,709	1,106,410
Agency Securities
Proceeds from sales of U.S. treasury securities	586,590	351,608
BUCKLER Securities, LLC \| Related Party
Disbursements on reverse repurchase agreements	0	(1,860,188)
Receipts from reverse repurchase agreements	0	2,307,250
Proceeds from repurchase agreements	60,497,426	64,158,045
Principal repayments on repurchase agreements	(59,279,674)	(62,334,995)
BUCKLER Securities, LLC \| U.S. Treasury Securities \| Related Party
Purchases of securities	50,049	203,422
BUCKLER Securities, LLC \| Agency Securities \| Related Party
Proceeds from sales of U.S. treasury securities	$ 49,000	$ 100,502

Payments For Securities Sold Under Agreements To Repurchase

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- Definition

Proceeds From Securities Sold Under Agreements To Repurchase

+ References

No definition available.

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- Definition

The cash outflow associated with agreements to purchase and then resell securities to counterparties (reverse repurchase agreements).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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- Definition

The cash outflow to acquire securities classified as trading securities and held for investment purposes. Excludes payments for trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).

+ References

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- Definition

The cash inflow associated with the sale of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).

+ References

No definition available.

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- Definition

The cash inflow associated with agreements to purchase and then resell securities to counterparties (reverse repurchase agreements).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

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