Investments in Wholly Owned Subsidiaries - Schedule of Membership Equity Ownership (Details)	12 Months Ended
	Dec. 31, 2015 USD ($)
Schedule Of Investments [Line Items]
Value	$ 42,433,710
Wholly Owned Subsidiaries
Schedule Of Investments [Line Items]
Membership Equity, Gross Additions	474,573
Value	$ 34,624,573
Wholly Owned Subsidiaries | SSG Bolingbrook LLC
Schedule Of Investments [Line Items]
Beginning Equity Interest Percentage	100.00%
Ending Equity Interest Percentage	100.00%
Value	$ 6,100,000
Wholly Owned Subsidiaries | SSG Dolton LLC
Schedule Of Investments [Line Items]
Beginning Equity Interest Percentage	100.00%
Ending Equity Interest Percentage	100.00%
Value	$ 5,900,000
Wholly Owned Subsidiaries | SSG Merrillville LLC
Schedule Of Investments [Line Items]
Beginning Equity Interest Percentage	100.00%
Ending Equity Interest Percentage	100.00%
Value	$ 5,700,000
Wholly Owned Subsidiaries | SSG Rochester LLC
Schedule Of Investments [Line Items]
Beginning Equity Interest Percentage	100.00%
Ending Equity Interest Percentage	100.00%
Value	$ 5,950,000
Wholly Owned Subsidiaries | SSG Sadsbury LLC
Schedule Of Investments [Line Items]
Beginning Equity Interest Percentage	100.00%
Membership Equity, Gross Additions	$ 450,000
Ending Equity Interest Percentage	100.00%
Value	$ 5,700,000
Wholly Owned Subsidiaries | SSG Summerville I LLC
Schedule Of Investments [Line Items]
Beginning Equity Interest Percentage	100.00%
Ending Equity Interest Percentage	100.00%
Value	$ 3,400,000
Wholly Owned Subsidiaries | SSG Summerville II LLC
Schedule Of Investments [Line Items]
Beginning Equity Interest Percentage	100.00%
Ending Equity Interest Percentage	100.00%
Value	$ 1,850,000
Wholly Owned Subsidiaries | SSG Operations LLC
Schedule Of Investments [Line Items]
Beginning Equity Interest Percentage	100.00%
Membership Equity, Gross Additions	$ 24,573
Ending Equity Interest Percentage	100.00%
Value	$ 24,573