Bank Note Payable, Term Note Payable and Private Placements (Tables)

12 Months Ended

Dec. 31, 2017

BAML Revolver

Debt Instrument [Line Items]

Schedule of actual amount of applicable facility fee, LIBOR rate or base rate determined based on total leverage ratio

									Base
					LIBOR Rate		Facility		Rate
Level	Credit Rating				Margin		Fee		Margin
I	A-	/	A3	(or higher)	0.825	%	0.125	%	0.000	%
II	BBB+	/	Baa1		0.875	%	0.150	%	0.000	%
III	BBB	/	Baa2		1.000	%	0.200	%	0.000	%
IV	BBB-	/	Baa3		1.200	%	0.250	%	0.200	%
V	<BBB-	/	Baa3		1.550	%	0.300	%	0.550	%

BAML Term Loan

Debt Instrument [Line Items]

Schedule of actual amount of applicable facility fee, LIBOR rate or base rate determined based on total leverage ratio

					LIBOR Rate		Base Rate
Level	Credit Rating				Margin		Margin
I	A-	/	A3	(or higher)	0.900	%	0.000	%
II	BBB+	/	Baa1		0.950	%	0.000	%
III	BBB	/	Baa2		1.100	%	0.100	%
IV	BBB-	/	Baa3		1.350	%	0.350	%
V	<BBB-	/	Baa3		1.750	%	0.750	%

JPM Term Loan

Debt Instrument [Line Items]

Schedule of actual amount of applicable facility fee, LIBOR rate or base rate determined based on total leverage ratio

				EURODOLLAR
	CREDIT			RATE		BASE RATE
LEVEL	RATING			MARGIN		MARGIN
I	BBB	/	Baa2 (or higher)	110.0	bps	10.0	bps
II	BBB-	/	Baa3	135.0	bps	35.0	bps
III	<BBB-	/	Baa3	185.0	bps	85.0	bps

BMO Term Loan

Debt Instrument [Line Items]

Schedule of actual amount of applicable facility fee, LIBOR rate or base rate determined based on total leverage ratio

	Credit				LIBOR Rate		Base Rate
Level	Rating				Margin		Margin
I	A-	/	A3	(or higher)	105.0	bps	5.0	bps
II	BBB+	/	Baa1		115.0	bps	15.0	bps
III	BBB	/	Baa2		135.0	bps	35.0	bps
IV	BBB-	/	Baa3		165.0	bps	65.0	bps
V	<BBB-	/	Baa3		215.0	bps	115.0	bps