Senior Debt - Interest Rate Swap Agreement (Details) - USD ($)	1 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2015	Dec. 31, 2014
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	$ 5,000,000.0	$ 2,800,000	$ 3,800,000
Fixed interest rate	1.04%
Effective debt interest rate		3.79%
Derivative Asset		$ 4,000	$ 9,000
Term Note [Member] | Secured Debt [Member]
Derivative [Line Items]
Term of debt instrument	5 years	5 years