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Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swap	$ (632)us-gaap_DerivativeLiabilities	$ (503)us-gaap_DerivativeLiabilities
Carrying Value (Balance Sheet) [Member]
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	1,396	1,456
Estimated Fair Value [Member]
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	1,448	1,513
Recurring [Member]
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swap	(632)	(503)
Assets measured at fair value	0	0
Recurring [Member] \| Level 1 [Member]
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swap	0	0
Assets measured at fair value	0	0
Recurring [Member] \| Level 2 [Member]
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swap	(632)	(503)
Assets measured at fair value	0	0
Recurring [Member] \| Level 3 [Member]
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swap	0	0
Assets measured at fair value	$ 0	$ 0

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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