Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	$ (341)	$ (424)
Fixed-rate debt on balance sheet
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	906	935
Estimated fair value of fixed-rate debt
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	923	993
Recurring
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	(341)	(424)
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	(341)	(424)
Recurring | Level 3
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swaps	$ 0	$ 0