Fair Value Measurements - Schedule Fair Value Measurements Inputs (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap liabilities	$ (5,549)
Interest rate swap assets		$ 76
Fair Value, Recurring | Fair Value Measurements Using Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap liabilities	0
Interest rate swap assets		0
Fair Value, Recurring | Fair Value Measurements Using Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap liabilities	(5,549)
Interest rate swap assets		76
Fair Value, Recurring | Fair Value Measurements Using Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap liabilities	0
Interest rate swap assets		0
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired property held for sale	500
Impaired real estate assets		35,036
Fair Value, Nonrecurring | Fair Value Measurements Using Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired property held for sale	0
Impaired real estate assets		0
Fair Value, Nonrecurring | Fair Value Measurements Using Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired property held for sale	500
Impaired real estate assets		0
Fair Value, Nonrecurring | Fair Value Measurements Using Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired property held for sale	$ 0
Impaired real estate assets		$ 35,036