Note 5 - Net Trading - Net Trading (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
|
| Net realized gains (losses) - trading inventory | $ (2,786) | $ 8,226 | $ 15,115 | $ 18,669 |
| Net unrealized gains (losses) - trading inventory | 7,467 | 2,005 | (4,087) | 1,565 |
| Net gains and losses | 4,681 | 10,231 | 11,028 | 20,234 |
| Interest income- trading inventory | 1,709 | 2,071 | 3,465 | 4,548 |
| Interest income-receivables under resale agreements | 24,700 | 16,643 | 48,149 | 58,128 |
| Interest income | 26,409 | 18,714 | 51,614 | 62,676 |
| Interest expense-securities sold under agreements to repurchase | (12,489) | (8,775) | (24,667) | (43,541) |
| Interest expense-LegacyTexas Credit Facility | 0 | 0 | 0 | (39) |
| Interest expense-margin payable | (202) | (164) | (393) | (763) |
| Interest expense | (12,691) | (8,939) | (25,060) | (44,343) |
| Net trading | $ 18,399 | $ 20,006 | $ 37,582 | $ 38,567 |
| X | ||||||||||
- Definition Represents interest income (expense) including unrealized gains and losses. No definition available.
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| X | ||||||||||
- Definition Represents interest income from repurchase agreements. No definition available.
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| X | ||||||||||
- Definition Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Aggregate amount of interest paid or due on all long-term debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Gross expenses on securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The aggregate interest expense incurred on short-term borrowings including commercial paper, Federal Home Loan Bank and Federal Reserve Bank advances and other short term borrowings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of interest income, amortization of premium and accretion of discount, on investment in debt security measured at fair value with change in fair value recognized in net income (trading); classified as operating. No definition available.
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