Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

	Chesapeake Pension Plan						FPU Pension Plan						Chesapeake SERP				Chesapeake Postretirement Plan						FPU Medical Plan
For the Three Months Ended March 31,	2015			2014			2015			2014			2015		2014		2015			2014			2015		2014
(in thousands)
Interest cost	$	102		$	107		$	626		$	647		$	23	$	23	$	11		$	13		$	15	$	17
Expected return on plan assets	(135		)	(133		)	(777		)	(773		)	—		—		—			—			—		—
Amortization of prior service cost	—			—			—			—			2		5		(19		)	(19		)	—		—
Amortization of net loss	90			37			114			—			25		12		17			17			2		—
Net periodic cost (benefit)	57			11			(37		)	(126		)	50		40		9			11			17		17
Amortization of pre-merger regulatory asset	—			—			190			190			—		—		—			—			2		2
Total periodic cost	$	57		$	11		$	153		$	64		$	50	$	40	$	9		$	11		$	19	$	19

For the Three Months Ended March 31, 2015	Chesapeake Pension Plan		FPU Pension Plan		Chesapeake SERP		Chesapeake Postretirement Plan			FPU Medical Plan		Total
(in thousands)
Prior service cost (credit)	$	—	$	—	$	2	$	(19	)	$	—	$	(17	)
Net loss	90		114		25		17			2		248
Total recognized in net periodic benefit cost	$	90	$	114	$	27	$	(2	)	$	2	$	231
Recognized from accumulated other comprehensive loss (1)	$	90	$	22	$	27	$	(2	)	$	—	$	137
Recognized from regulatory asset	—		92		—		—			2		94
Total	$	90	$	114	$	27	$	(2	)	$	2	$	231

For the Three Months Ended March 31, 2014	Chesapeake Pension Plan		FPU Pension Plan		Chesapeake SERP		Chesapeake Postretirement Plan			FPU Medical Plan		Total
(in thousands)
Prior service cost (credit)	$	—	$	—	$	5	$	(19	)	$	—	$	(14	)
Net loss	37		—		12		17			—		66
Total recognized in net periodic benefit cost	$	37	$	—	$	17	$	(2	)	$	—	$	52
Recognized from accumulated other comprehensive loss (1)	$	37	$	—	$	17	$	(2	)	$	—	$	52
Recognized from regulatory asset	—		—		—		—			—		—
Total	$	37	$	—	$	17	$	(2	)	$	—	$	52