Note 6 - Senior Notes, Net - Senior Notes, Net (Details) (Parentheticals) - Senior Notes [Member] - USD ($) $ in Thousands |
Jun. 30, 2022 |
Dec. 31, 2021 |
Apr. 30, 2021 |
|---|---|---|---|
| Senior Notes Due Two Thousand Twenty Five [Member] | |||
| Stated interest rate | 6.00% | 6.00% | |
| Unamortized premium | $ 2,386 | $ 2,975 | |
| Senior Notes Due Two Thousand Twenty Seven [Member] | |||
| Stated interest rate | 5.125% | 5.125% | |
| Senior Notes Due Two Thousand Twenty Nine [Member] | |||
| Stated interest rate | 3.875% | 3.875% | 3.875% |
| X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after accumulated amortization, of debt premium. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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