Administrative and Offering Expenses (Details Narrative) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Administrative And Offering Expenses
Description of administrative fees			Up to 1/12^th of 0.95% of the Fund's month-end net asset value		Up to 1/12th of 0.95% of the Fund’s month-end net asset value
Administrative expenses - General Partner	$ 300,229us-gaap_GeneralAndAdministrativeExpense	$ 206,859us-gaap_GeneralAndAdministrativeExpense	$ 808,981us-gaap_GeneralAndAdministrativeExpense	$ 726,313us-gaap_GeneralAndAdministrativeExpense	$ 909,095us-gaap_GeneralAndAdministrativeExpense	$ 791,912us-gaap_GeneralAndAdministrativeExpense
Administrative expenses excess of limitation - General Partner	114,284	238,688	606,255	413,349	513,063	206,541
Administrative expenses payable - general partner	20,356		20,356		26,737	40,089
Description of offering expenses			Up to 1/12^th of 0.75% of the Fund's month-end net asset value pro rata for each Series of Units		Up to 1/12th of 0.75% of the Fund’s month-end net asset value pro rata for each Series of Units
Offering expenses - General Partner	110,499sene_OfferingExpense	137,671sene_OfferingExpense	268,998sene_OfferingExpense	369,828sene_OfferingExpense	487,245sene_OfferingExpense	537,508sene_OfferingExpense
Exceeding offering expense excess of limitation - General Partner	71,850	67,548	126,885	144,191	202,363	85,900
Offering expenses payable - general partner	$ 14,118		$ 14,118		$ 19,163	$ 30,206

SENECA GLOBAL FUND, L.P. S-1/A