Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Net Unrealized Gains And Losses on Open Contracts, Disclosures [Line Items]

Net Unrealized Gain (Loss) on Open Contracts

The net unrealized gains (losses) on open contracts at December 31, 2014 and 2013, respectively, reported as a component of “Trading Equity” on the Statements of Financial Condition, and their longest contract maturities were as follows:

Spectrum Select

	Net Unrealized Gains on Open Contracts						Longest Maturities
Year	Exchange-Traded		Off-Exchange-Traded		Total		Exchange-Traded	Off-Exchange-Traded
	$		$		$
2014		5,296,681		495,854		5,792,535	Mar. 2019	Mar. 2015
2013		6,193,496		458,936		6,652,432	Dec. 2017	Mar. 2014

Morgan Stanley Smith Barney Spectrum Technical L.P. [Member]

Net Unrealized Gains And Losses on Open Contracts, Disclosures [Line Items]

Net Unrealized Gain (Loss) on Open Contracts

Spectrum Technical

	Net Unrealized Gains on Open Contracts						Longest Maturities
Year	Exchange-Traded		Off-Exchange-Traded		Total		Exchange-Traded	Off-Exchange-Traded
	$		$		$
2014		172,160		432,710		604,870	Mar. 2018	Jun. 2015
2013		817,366		408,224		1,225,590	Jun. 2018	Jun. 2014