Parker Wellbore Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

Stockholders' Equity (Details) $ / shares in Units, $ in Thousands				1 Months Ended	3 Months Ended						9 Months Ended	12 Months Ended
	Aug. 23, 2018 $ / shares	Jul. 27, 2018	Jul. 12, 2018 $ / shares shares	Feb. 28, 2017 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) $ / shares shares	Jun. 30, 2018 USD ($) shares	Mar. 31, 2018 USD ($) shares	Sep. 30, 2017 USD ($) shares	Jun. 30, 2017 USD ($) shares	Mar. 31, 2017 USD ($) shares	Sep. 30, 2018 $ / shares shares	Dec. 31, 2017 $ / shares
Class of Stock [Line Items]
Common stock, par value (in dollars per share) \| $ / shares					$ 0.166667						$ 0.166667	$ 0.166667
Preferred stock, par value (in dollars per share) \| $ / shares			$ 1.00		1						1	$ 1
Preferred stock, liquidation preference per share (in dollars per share) \| $ / shares					$ 100						$ 100
Issuance of common stock and mandatory convertible preferred stock \| $				$ 72,300
Convertible preferred stock, terms of conversion, measurement period											20 days
Preferred dividend percentage											7.25%	7.25%
Preferred stock, dividends per share, declared (in dollars per share) \| $ / shares	$ 1.8125
Exercise price (in dollars per share) \| $ / shares			$ 52.50
Number of securities called by each warrant			0.001
Period following public announcement of acquisition of 10% or more of outstanding shares			10 days
Percentage threshold for triggering event			4.90%
Period following tender offer for acquisition			10 days
Discount percentage on share price if rights are exercisable			50.00%
Shares exchangeable if rights become exercisable (in shares)			2
Reverse stock split, conversion ratio		15
Common Stock
Class of Stock [Line Items]
Common stock, shares issued				800,000	0	0	0	0	0	800,000
Pre-split shares issued (in shares)				12,000,000
Stock issued, price per share (in dollars per share) \| $ / shares				$ 2.10
Issuance of common stock and mandatory convertible preferred stock \| $					$ 0	$ 0	$ 0	$ 0	$ (1)	$ 24,060
Common Stock \| Minimum
Class of Stock [Line Items]
Convertible preferred stock, shares issued upon conversion					2.7605						2.7605
Common Stock \| Maximum
Class of Stock [Line Items]
Convertible preferred stock, shares issued upon conversion					3.1746						3.1746
Preferred Stock
Class of Stock [Line Items]
Common stock, shares issued				500,000	0	0	0	0	0	500,000
Issuance of common stock and mandatory convertible preferred stock \| $					$ 0	$ 0	$ 0	$ 0	$ (2)	$ 48,279
Series A Preferred Stock
Class of Stock [Line Items]
Preferred dividend percentage											7.25%