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Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Financial liability recorded at fair value on a recurring basis [Abstract]
Interest rate swap	$ 503us-gaap_DerivativeLiabilities	$ 0us-gaap_DerivativeLiabilities
Carrying Value (Balance Sheet) [Member]
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	1,456	960
Fair Value [Member]
Fixed-rate debt outstanding [abstract]
Fixed-rate debt	1,513	985
Recurring [Member]
Financial liability recorded at fair value on a recurring basis [Abstract]
Money market funds, at Carrying Value		2,650
Interest rate swap	(503)
Fair value of assets and (liabilities)	0
Recurring [Member] \| Level 1 [Member]
Financial liability recorded at fair value on a recurring basis [Abstract]
Money market funds, at Carrying Value		2,650
Interest rate swap	0
Fair value of assets and (liabilities)	0
Recurring [Member] \| Level 2 [Member]
Financial liability recorded at fair value on a recurring basis [Abstract]
Money market funds, at Carrying Value		0
Interest rate swap	(503)
Fair value of assets and (liabilities)	0
Recurring [Member] \| Level 3 [Member]
Financial liability recorded at fair value on a recurring basis [Abstract]
Money market funds, at Carrying Value		0
Interest rate swap	0
Fair value of assets and (liabilities)	$ 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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