Fair Value (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

The fair value of the Company's debt was as follows (in thousands):

	December 31, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Senior Notes	$	505,322	$	492,554	$	1,062,716	$	1,038,892
Revolver and Term Loans, net	1,169,165		1,175,000		1,170,954		1,179,052
Mortgage loans, net	528,189		528,404		646,818		643,078
Debt, net	$	2,202,676	$	2,195,958	$	2,880,488	$	2,861,022

Schedule of fair value hierarchy for financial assets and liabilities measured at fair value on a recurring basis

The following table presents the Company’s fair value hierarchy for those financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2018 (in thousands):

	Fair Value at December 31, 2018
	Level 1		Level 2			Level 3		Total
Interest rate swap asset	$	—	$	17,215		$	—	$	17,215
Interest rate swap liability	—		(1,020		)	—		(1,020		)
Total	$	—	$	16,195		$	—	$	16,195

The following table presents the Company’s fair value hierarchy for those financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2017 (in thousands):

	Fair Value at December 31, 2017
	Level 1		Level 2			Level 3		Total
Interest rate swap asset	$	—	$	10,827		$	—	$	10,827
Interest rate swap liability	—		(1,981		)	—		(1,981		)
Total	$	—	$	8,846		$	—	$	8,846