Debt Schedule of Maturities of Long-term debt (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Maturities of Long-term debt [Abstract]
2018	$ 12,250,000	$ 12,250,000
2019	18,375,000	18,375,000
2020	24,500,000	24,500,000
2021	24,500,000	24,500,000
2022	165,375,000	165,375,000
Total	245,000,000	245,000,000
Interest Expense, Debt	3,000,000	11,000,000	$ 10,900,000	$ 10,900,000
Amortization of Debt Issuance Costs	500,000
Interest Expense, Other		$ 100,000
Amortization of Deferred Loan Origination Fees, Net	$ 40,000