Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of Remaining Contractual Maturities for Chattel Paper Agreements

As of December 31,2015, the remaining contractual maturities of the chattel paper agreements were as follows:

(In thousands)		2016		2017		2018		2019		2020		Thereafter
Repurchase-to-Maturity Transactions:
Loans	$	706	$	476	$	508	$	477	$	445	$	1,059

Straight-Line Depreciation Rates

Provisions at composite straight-line depreciation rates approximate the following percentages for the cost of depreciable property:

	2015	2014	2013
Electric	2.6 %	2.6 %	2.7 %
Gas	1.7 %	1.7 %	1.7 %
Nonregulated	2.4 %	2.4 %	2.3 %