Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Loss) (Notes)

12 Months Ended

Dec. 31, 2018

Statement of Comprehensive Income [Abstract]

Comprehensive Income (Loss) Note [Text Block]

Accumulated Other Comprehensive Income (Loss)

Adjustments resulting from the process of translating foreign functional currency financial statements into U.S. dollars are included in “Accumulated other comprehensive income (loss)” within shareholders’ equity attributable to Continental Resources on the consolidated balance sheets and “Other comprehensive income, net of tax” in the consolidated statements of comprehensive income (loss). The following table summarizes the change in accumulated other comprehensive income (loss) for the years ended December 31, 2018, 2017, and 2016:

	Year ended December 31,
In thousands	2018		2017			2016
Beginning accumulated other comprehensive income (loss), net of tax	$	307	$	(260	)	$	(3,354	)
Foreign currency translation adjustments	108		567			3,094
Income taxes (1)	—		—			—
Other comprehensive income, net of tax	108		567			3,094
Ending accumulated other comprehensive income (loss), net of tax	$	415	$	307		$	(260	)

(1) A valuation allowance has been recognized against all deferred tax assets associated with losses generated by the Company’s Canadian operations, thereby resulting in no income taxes on other comprehensive income.