Note 13 - Subsequent Event (Details Textual) - USD ($) $ in Thousands |
Jun. 30, 2019 |
Dec. 31, 2018 |
Jun. 30, 2017 |
|---|---|---|---|
| Escrow Deposit | $ 49,500 | $ 49,500 | |
| Loss Contingency Accrual, Ending Balance | $ 49,500 | $ 49,500 | |
| Apache Corporation [Member] | Judicial Ruling [Member] | |||
| Escrow Deposit | $ 49,500 | ||
| Loss Contingency Accrual, Ending Balance | $ 49,500 |
| X | ||||||||||
- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of loss contingency liability. 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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