Asset Retirement Obligation (Details) - USD ($) $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
Dec. 31, 2019 |
Mar. 31, 2017 |
|
| Asset retirement obligation | $ 802 | $ 790 | $ 700 | |
| Accretion expense | 12 | $ 11 | ||
| Other Assets | ||||
| Contributed to the Trust Fund | $ 670,000 | |||
| X | ||||||||||
- Definition Refers to contribution of fund. No definition available.
|
| X | ||||||||||
- Definition Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|