Other Assets (Tables)

12 Months Ended

Dec. 31, 2016

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Summary of Other Assets

Other assets are as follows:

	December 31, 2016							December 31, 2015
(In thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Deferred financing costs on undrawn revolver	$	967	$	(397	)	$	570	$	967	$	(204	)	$	763
Other regulatory assets:
Deferred financing costs		27,761		(16,997	)		10,764		27,112		(13,208	)		13,904
Deferred costs recoverable in future years		23,793		—			23,793		23,793		—			23,793
Other regulatory assets, net		51,554		(16,997	)		34,557		50,905		(13,208	)		37,697
Investments		2,519		—			2,519		2,519		—			2,519
Other assets	$	55,040	$	(17,394	)	$	37,646	$	54,391	$	(13,412	)	$	40,979