Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Text Block [Abstract]

Schedule of Income Tax Expense

The following tables provide: (a) the components of income tax expense in 2013, 2012, and 2011; (b) the reconciliation between the statutory federal income tax rate and the effective income tax rate for 2013, 2012, and 2011; and (c) the components of accumulated deferred income tax assets and liabilities at December 31, 2013 and 2012.

	For the Year Ended December 31,
	2013			2012			2011
(in thousands)
Current Income Tax Expense
Federal	$	4,882		$	3,483		$	—
State	2,382			1,990			742
Investment tax credit adjustments, net	(39		)	(58		)	(73		)
Total current income tax expense	7,225			5,415			669
Deferred Income Tax Expense (1)
Property, plant and equipment	16,758			13,688			16,670
Deferred gas costs	(209		)	515			591
Pensions and other employee benefits	(335		)	553			786
FPU merger related premium cost and deferred gain	(686		)	(509		)	—
Net operating loss carryforwards	62			740			(1,000		)
Other	(730		)	(1,106		)	273
Total deferred income tax expense	14,860			13,881			17,320
Total Income Tax Expense	$	22,085		$	19,296		$	17,989

Summary of Reconciliation of Statutory Federal Tax and Effective Income Tax Rates

Reconciliation of Effective Income Tax Rates
Continuing Operations
Federal income tax expense (2)	$	19,205		$	16,745		$	16,146
State income taxes, net of federal benefit	3,105			2,571			2,216
ESOP dividend deduction	(256		)	(235		)	(236		)
Other	31			215			(137		)
Total Income Tax Expense	$	22,085		$	19,296		$	17,989
Effective Income Tax Rate	40.25		%	40.07		%	39.44		%

Schedule of Accumulated Deferred Income Tax Assets and Liabilities

	As of December 31,
	2013		2012
(in thousands)
Deferred Income Taxes
Deferred income tax liabilities:
Property, plant and equipment	$	134,414	$	118,212
Acquisition adjustment	16,790		17,440
Loss on reacquired debt	573		572
Deferred gas costs	607		816
Other	2,850		2,784
Total deferred income tax liabilities	155,234		139,824
Deferred income tax assets:
Pension and other employee benefits	5,390		7,382
Environmental costs	2,083		1,917
Net operating loss carryforwards	1,444		1,587
Self insurance	403		484
Storm reserve liability	1,109		1,058
Other	3,904		2,982
Total deferred income tax assets	14,333		15,410
Deferred Income Taxes Per Consolidated Balance Sheet	$	140,901	$	124,414