Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	$ (502)	$ (278)
Fixed-rate debt on Consolidated Balance Sheets
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	5,738	5,973
Estimated fair value of fixed-rate debt
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	6,173	6,281
Recurring
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	(502)	(278)
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	(502)	(278)
Recurring | Level 3
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	$ 0	$ 0