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Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2017
Related Party Transactions [Abstract]
Related Party Transactions	RELATED PARTY TRANSACTIONS The Company leases certain properties under capital leases with certain related parties that are more fully described in Note 7 above. In addition to the related party capital leases that are fully described in Note 7, the Company also had 10 operating leases with the same limited liability company ("LLC") controlled by a group of current and former executives of the Company as of December 31, 2017. In December 2002, the Company sold 10 properties, including leasehold improvements, to the LLC. The LLC obtained borrowings collateralized by the land and buildings totaling $5.0 million. Upon the initial sale, no gain or loss was recognized related to the properties sold to the LLC and the leases were originally accounted for as capital leases in the Company's consolidated financial statements. During January 2018, the Company renewed its lease agreements to lease the land and buildings collateralizing the borrowings under a range of five to eight year term leases at an aggregate annual rental of approximately $0.8 million. The transaction has been accounted for as an operating lease in the accompanying consolidated financial statements.