Transactions With Related Parties (Tables)

12 Months Ended

Dec. 31, 2018

Related Party Transactions [Abstract]

Schedule Of Amount Received In Public And Private Partnerships [Table Text Block]

Amounts received in the years ended December 31, from both public and private Partnerships for which Unit is a general partner are as follows:

	2018		2017		2016
	(In thousands)
Well supervision and other fees	$	158	$	172	$	254
General and administrative expense reimbursement	—		—		6