Deferred Assets and Other Regulatory Assets (Tables)

3 Months Ended

Mar. 31, 2015

Deferred Finance Costs And Other Regulatory Assets Net [Abstract]

Summary of Deferred Assets and Other Regulatory Assets, Net

Deferred assets and other regulatory assets, net are as follows:

	March 31, 2015							December 31, 2014
(In thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Deferred financing costs	$	1,292	$	(199	)	$	1,093	$	1,290	$	(143	)	$	1,147
Other regulatory assets:
Deferred financing costs		25,748		(13,549	)		12,199		25,701		(12,693	)		13,008
Deferred costs recoverable in future years		23,793		—			23,793		23,793		—			23,793
Deferred financing costs and other regulatory    assets, net	$	50,833	$	(13,748	)	$	37,085	$	50,784	$	(12,836	)	$	37,948