Development of Consolidated Rental Properties - Narrative (Details) - ft² ft² in Thousands	Dec. 31, 2019	Oct. 31, 2017	Sep. 30, 2017
Development of Consolidated Rental Properties [Line Items]
Square Feet	878
Fort Worth [Member]
Development of Consolidated Rental Properties [Line Items]
Square Feet		352
Lancaster [Member]
Development of Consolidated Rental Properties [Line Items]
Square Feet			123