Revolving Credit Facility (Details)	3 Months Ended
	Mar. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 175,000,000
Line of Credit Facility Maturity Date	Sep. 25, 2019
Line of Credit Facility Increased Current Borrowing Capacity	$ 50,000,000
Line of Credit Facility Required Leverage Ratio	3.00
Line of Credit Facility Unused Capacity	$ 32,700,000
Line of Credit Facility Borrowings to be Drawn	$ 700,000
Eurodollar [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility Basis Spread on Variable Rate	1.25%
Eurodollar [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility Basis Spread on Variable Rate	2.50%
Base Rate [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility Basis Spread on Variable Rate	0.25%
Base Rate [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility Basis Spread on Variable Rate	1.50%
Leverage Ratio Required After the Quarter Ended June 30, 2015 [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility Required Leverage Ratio	3.00
Line of Credit Facility Required Interest Coverage Ratio	5.00