Debt (Details 1)	9 Months Ended
	Sep. 30, 2018
Level One [Member]
Debt Instrument, Covenant Description	Greater than or equal to 2.50 to 1.00
Line of Credit Facility, Commitment Fee Percentage	0.50%
Level One [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	3.00%
Level One [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	4.00%
Level Two [Member]
Debt Instrument, Covenant Description	Less than 2.50 to 1.00, but greater than or equal to 2.00 to 1.00
Line of Credit Facility, Commitment Fee Percentage	0.50%
Level Two [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	2.75%
Level Two [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	3.75%
Level Three [Member]
Debt Instrument, Covenant Description	Less than 2.00 to 1.00, but greater than or equal to 1.50 to 1.00
Line of Credit Facility, Commitment Fee Percentage	0.50%
Level Three [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	2.50%
Level Three [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	3.50%
Level Four [Member]
Debt Instrument, Covenant Description	Less than 1.50 to 1.00
Line of Credit Facility, Commitment Fee Percentage	0.50%
Level Four [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Level Four [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	3.25%