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Acquisitions and Dispositions	12 Months Ended
	Dec. 31, 2013
Business Combinations [Abstract]
Acquisitions and Dispositions	2. Acquisitions and Dispositions Historically, the Company has repurchased the noncontrolling interests of the partners and trust unit holders in certain of the Partnerships, which consist primarily of oil and gas interests. The Company purchased such noncontrolling interests in an amount totaling $48,000 in 2013 and $149,000 in 2012.

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- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

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