Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2014

Summary Of Significant Accounting Policies [Abstract]

Summary of reconciliation of the ARO

	Nine Months Ended September 30,
(in thousands)		2014		2013
Balance at beginning of period		$	2,699	$	2,321
Accretion expense			87		103
Additions assumed with consolidated partnerships			4		34
Additions during period			131		164
Balance at end of period		$	2,921	$	2,622