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Related Party Transactions (Details) - USD ($) | 1 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2012 | Dec. 31, 2015
Related Party Transactions [Abstract] |  |  |  |  |
Company contribution to a multi employer 401K plan at discretionary amount of employee's cash compensation, maximum percentage |  | 6.00% |  |  |
Company contribution to a multi employer 401K plan at discretionary amount of employee's cash compensation, amount |  | $ 255,000 | $ 312,400 |  |
Deferred compensation, employee contribution, percentage |  | 2.00% |  |  |
Deferred compensation, company contribution, amount |  | $ 129,000 | 103,300 |  |
Number of times the employer contribution is higher than the amount deferred by employees |  | 300.00% |  |  |
Deferred compensation, cumulative unfunded liability |  | $ 2,000,000 |  |  | $ 1,800,000
Ancillary costs and expenses |  | 5,500,000 | 5,900,000 |  |
Liability due to The Saul Organization for the Company's share of these ancillary costs and expenses |  | 682,400 |  |  | $ 655,000
Related Party Transaction, Purchases from Related Party | $ 8,800,000 |  |  |  |
Extended lease expiration period |  |  |  | 5 years |
Percentage of annual increase in base rent |  |  |  | 3.00% |
Rent expense |  | 617,100 | 684,800 |  |
Insurance commissions and fees expense |  | $ 279,100 | $ 295,000 |  |

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