Transactions with Affiliates (Tables)

12 Months Ended

Dec. 31, 2012

Related Party Transactions [Abstract]

Summary of charges to and from Williams Entities

The following table summarizes the charges to and from the Williams Entities for the years ended December 31, 2012, 2011 and 2010.

	2012		2011		2010
	(In thousands)
Amounts received from the Williams Entities:
Service Agreement:
Services	$	671	$	566	$	513
Insurance premiums and benefits	920		821		859
Reimbursed expenses	566		371		319
	$	2,157	$	1,758	$	1,691
Amounts paid to the Williams Entities:
Rent(a)	$	1,478	$	843	$	811
Service Agreement:
Business entertainment(b)	116		116		116
Reimbursed expenses	267		289		146
	$	1,861	$	1,248	$	1,073

(a) Rent amounts were paid to a Partnership within the Williams Entities.  The Company owns 31.9% of the Partnership and affiliates of the Company own 23.3%.

(b) Consists of hunting and fishing rights pertaining to land owned by affiliates of Mr. Williams.