XML 22 R11.htm IDEA: XBRL DOCUMENT v3.10.0.1

Property and Equipment

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Property and Equipment

(4) Property and Equipment:

Property and equipment at September 30, 2018 and December 31, 2017 consisted of the following:

(Thousands of dollars)		September 30, 2018				December 31, 2017
Proved oil and gas properties, at cost		$	499,958			$	476,570
Less: Accumulated depletion and depreciation			(281,824	)			(263,569	)
Oil and Gas Properties, Net		$	218,134			$	213,001
Field and office equipment		$	26,788			$	26,241
Less: Accumulated depreciation			(20,192	)			(19,267	)
Field and Office Equipment, Net		$	6,596			$	6,974
Total Property and Equipment, Net		$	224,730			$	219,975

X

- References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration