Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	$ (332)	$ (116)
Fixed-rate debt on Consolidated Balance Sheets
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	6,300	1,577
Estimated fair value of fixed-rate debt
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	6,576	1,591
Recurring
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	(332)	(116)
Recurring | Level 1
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	0	0
Recurring | Level 2
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	(332)	(116)
Recurring | Level 3
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	$ 0	$ 0