Gulfport Energy Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Common Stock Options, Warrants And Changes In Capitalization (Details)

Common Stock Options, Warrants And Changes In Capitalization (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended		1 Months Ended	0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 15, 2013	Dec. 24, 2012 acre	Mar. 31, 2002	Nov. 13, 2013	Jan. 07, 2013	Dec. 24, 2012	Mar. 31, 2012	Feb. 28, 2014 acre	Dec. 19, 2012 acre	Dec. 17, 2012 acre	Apr. 19, 2013	Apr. 20, 2006	Apr. 19, 2006
Common Stock Options, Restricted Stock, Warrants And Changes In Capitalization [Line Items]
Proceeds from issuance of common stock, net of offering costs	$ 689	$ 766,495	$ 427,091
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock dividend rate	12.00%	12.00%
Warrants, expired										8,875gpor_ClassOfWarrantOrRightExpired
Utica Shale [Member]
Common Stock Options, Restricted Stock, Warrants And Changes In Capitalization [Line Items]
Proceeds from issuance of common stock, net of offering costs				325,800	460,700
Gas and oil acreage, undeveloped, net				22,000	37,000				37,000		8,000	7,000	30,000
Private Placement [Member]
Common Stock Options, Restricted Stock, Warrants And Changes In Capitalization [Line Items]
Private placement offering (in units)						10,000
Number of securities called by each warrant (shares)						250
Common stock, par value (usd per share)						$ 0.01
Preferred stock dividend rate						15.00%
Preferred stock, dividend rate, percentage						12.00%
Warrants outstanding						2,322,962
Term Of warrants expiration						10 years
Warrant, exercise price (usd per share)						1.19
Common Stock [Member] \| Public Offering [Member]
Common Stock Options, Restricted Stock, Warrants And Changes In Capitalization [Line Items]
Issuance of common stock in public offering (shares)				8,912,500			7,475,000		11,750,000
Stock option, portion available to underwriters (shares)									1,650,000
Stock option, portion attributable to underwriters (shares)								900,000	750,000
Share price (usd per share)				$ 38.00	$ 38.00		$ 56.75		$ 38.00
Proceeds from issuance of common stock, net of offering costs				$ 325,800			$ 408,000		$ 460,700
1999 Stock Option Plan [Member] \| Common Stock [Member]
Common Stock Options, Restricted Stock, Warrants And Changes In Capitalization [Line Items]
Granted to employees under previous plan (shares)		627,337												627,337
2005 Stock Incentive Plan [Member] \| Common Stock [Member]
Common Stock Options, Restricted Stock, Warrants And Changes In Capitalization [Line Items]
Available for grant (shares)														258,361	3,000,000	1,904,606
Granted for purchase of previous Plan's common stock (shares)	997,269
2013 Restated Stock Incentive Plan [Member] \| Common Stock [Member]
Common Stock Options, Restricted Stock, Warrants And Changes In Capitalization [Line Items]
Available for grant (shares)														7,500,000	3,000,000
Restricted Stock [Member] \| 2005 Stock Incentive Plan [Member]
Common Stock Options, Restricted Stock, Warrants And Changes In Capitalization [Line Items]
Granted for purchase of previous Plan's common stock (shares)	1,143,217