Debt - Schedule of Outstanding Debt (Details) (Parenthetical)	12 Months Ended
	Dec. 31, 2018
Note payable variable interest rate basis	4.07%
Revolving Credit Facility, LIBOR Plus 1.50%, Maturing in March 2021 [Member] | LIBOR Rate [Member]
Note payable variable interest rate basis	1.50%
Note payable maturity date	March 2021
Note Payable, LIBOR Plus 1.50%, Maturing in March 2021 [Member] | LIBOR Rate [Member]
Note payable variable interest rate basis	1.50%
Note payable maturity date	March 2021
Note Payable, LIBOR Plus 1.50%, Maturing in March 2021 [Member] | LIBOR Rate [Member]
Note payable variable interest rate basis	1.50%
Note payable maturity date	March 2021
Note Payable, Greater of 2% Or LIBOR Plus 2.15%, Maturing in April 2022 [Member] | Maximum [Member]
Note payable variable interest rate basis	2.00%
Note payable maturity date	April 2022
Note Payable, Greater of 2% Or LIBOR Plus 2.15%, Maturing in April 2022 [Member] | LIBOR Rate [Member]
Note payable variable interest rate basis	2.15%
Note payable maturity date	April 2022
Note Payable, LIBOR Plus 2.25%, Maturing in January 2022 [Member] | LIBOR Rate [Member]
Note payable variable interest rate basis	2.25%
Note payable maturity date	January 2022
Note Payable, LIBOR Plus 2.25%, Maturing in January 2020 [Member] | LIBOR Rate [Member]
Note payable variable interest rate basis	2.25%
Note payable maturity date	January 2020
Note Payable, Prime Plus 0.375% Or LIBOR Plus 2.375%, Maturing in January 2020 [Member] | LIBOR Rate [Member]
Note payable variable interest rate basis	2.375%
Note payable maturity date	January 2020
Note Payable, Prime Plus 0.375% Or LIBOR Plus 2.375%, Maturing in January 2020 [Member] | Prime Rate [Member]
Note payable variable interest rate basis	0.375%
Note payable maturity date	January 2020
Note Payable, LIBOR Plus 3.2%, Maturing in May 2025 [Member] | LIBOR Rate [Member]
Note payable variable interest rate basis	3.20%
Note payable maturity date	May 2025
Other notes payable, matured in August and September 2018 [Member]
Note payable maturity date	August and September 2018