Note 10 - Collateralized Securities Transactions - Secured Borrowings (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Securities sold under agreements to repurchase	$ 707,454	$ 695,966
Receivables under resale agreements	673,700	668,259
Overnight and Continuous [Member]
Securities sold under agreements to repurchase	33,968	28,418
Receivables under resale agreements	0	0
Maturity Less than 30 Days [Member]
Securities sold under agreements to repurchase	673,486	667,548
Receivables under resale agreements	673,700	668,259
Maturity 30 to 90 Days [Member]
Securities sold under agreements to repurchase	0	0
Receivables under resale agreements	0	0
Maturity Greater than 90 Days [Member]
Securities sold under agreements to repurchase	0	0
Receivables under resale agreements	0	0
Collateralized Mortgage-Backed Securities [Member]
Securities sold under agreements to repurchase	673,486	667,548
Receivables under resale agreements	673,700	668,259
Collateralized Mortgage-Backed Securities [Member] \| Overnight and Continuous [Member]
Securities sold under agreements to repurchase	0	0
Receivables under resale agreements	0	0
Collateralized Mortgage-Backed Securities [Member] \| Maturity Less than 30 Days [Member]
Securities sold under agreements to repurchase	673,486	667,548
Receivables under resale agreements	673,700	668,259
Collateralized Mortgage-Backed Securities [Member] \| Maturity 30 to 90 Days [Member]
Securities sold under agreements to repurchase	0	0
Receivables under resale agreements	0	0
Collateralized Mortgage-Backed Securities [Member] \| Maturity Greater than 90 Days [Member]
Securities sold under agreements to repurchase	0	0
Receivables under resale agreements	0	0
SBA Loans [Member]
Securities sold under agreements to repurchase	33,968	28,418
SBA Loans [Member] \| Overnight and Continuous [Member]
Securities sold under agreements to repurchase	33,968	28,418
SBA Loans [Member] \| Maturity Less than 30 Days [Member]
Securities sold under agreements to repurchase	0	0
SBA Loans [Member] \| Maturity 30 to 90 Days [Member]
Securities sold under agreements to repurchase	0	0
SBA Loans [Member] \| Maturity Greater than 90 Days [Member]
Securities sold under agreements to repurchase	$ 0	$ 0

Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset.

Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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+ Details