Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2014

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 September 30,	2014			2013			2014			2013			2014		2013		2014			2013			2014		2013
(in thousands)
Interest cost	$	107		$	102		$	647		$	594		$	23	$	21	$	13		$	12		$	17	$	16
Expected return on plan assets	(133		)	(126		)	(773		)	(719		)	—		—		—			—			—		—
Amortization of prior service cost	—			—			—			—			5		5		(19		)	(19		)	—		—
Amortization of net loss	37			57			—			81			12		16		16			18			—		—
Net periodic cost (benefit)	11			33			(126		)	(44		)	40		42		10			11			17		16
Amortization of pre-merger regulatory asset	—			—			191			191			—		—		—			—			2		2
Total periodic cost	$	11		$	33		$	65		$	147		$	40	$	42	$	10		$	11		$	19	$	18

	Chesapeake Pension Plan						FPU Pension Plan						Chesapeake SERP				Chesapeake Postretirement Plan						FPU Medical Plan
For the Nine Months Ended September 30,	2014			2013			2014			2013			2014		2013		2014			2013			2014		2013
(in thousands)
Interest cost	$	320		$	307		$	1,941		$	1,782		$	69	$	62	$	39		$	36		$	50	$	47
Expected return on plan assets	(398		)	(378		)	(2,318		)	(2,156		)	—		—		—			—			—		—
Amortization of prior service cost	—			(1		)	—			—			14		14		(58		)	(58		)	—		—
Amortization of net loss	112			171			—			243			36		48		50			55			—		—
Net periodic cost (benefit)	34			99			(377		)	(131		)	119		124		31			33			50		47
Amortization of pre-merger regulatory asset	—			—			571			571			—		—		—			—			6		6
Total periodic cost	$	34		$	99		$	194		$	440		$	119	$	124	$	31		$	33		$	56	$	53

For the Three Months Ended September 30, 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		16			—		65
Total recognized in net periodic benefit cost	$	37	$	—	$	17	$	(3	)	$	—	$	51
Recognized from accumulated other comprehensive loss (1)	$	37	$	—	$	17	$	(3	)	$	—	$	51
Recognized from regulatory asset	—		—		—		—			—		—
Total	$	37	$	—	$	17	$	(3	)	$	—	$	51

For the Nine Months Ended September 30, 2014	Chesapeake Pension Plan		FPU Pension Plan		Chesapeake SERP		Chesapeake Postretirement Plan			FPU Medical Plan		Total
(in thousands)
Prior service cost (credit)	$	—	$	—	$	14	$	(58	)	$	—	(44		)
Net loss	112		—		36		50			—		198
Total recognized in net periodic benefit cost	$	112	$	—	$	50	$	(8	)	$	—	$	154
Recognized from accumulated other comprehensive loss (1)	$	112	$	—	$	50	$	(8	)	$	—	$	154
Recognized from regulatory asset	—		—		—		—			—		—
Total	$	112	$	—	$	50	$	(8	)	$	—	$	154

For the Three Months Ended September 30, 2013	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	57		81		16		18			—		172
Total recognized in net periodic benefit cost	$	57	$	81	$	21	$	(1	)	$	—	$	158
Recognized from accumulated other comprehensive loss (1)	$	57	$	15	$	21	$	(1	)	$	—	$	92
Recognized from regulatory asset	—		66		—		—			—		66
Total	$	57	$	81	$	21	$	(1	)	$	—	$	158

For the Nine Months Ended September 30, 2013	Chesapeake Pension Plan			FPU Pension Plan		Chesapeake SERP		Chesapeake Postretirement Plan			FPU Medical Plan		Total
(in thousands)
Prior service cost (credit)	$	(1	)	$	—	$	14	$	(58	)	$	—	(45		)
Net loss	171			243		48		55			—		517
Total recognized in net periodic benefit cost	$	170		$	243	$	62	$	(3	)	$	—	$	472
Recognized from accumulated other comprehensive loss (1)	$	170		$	46	$	62	$	(3	)	$	—	$	275
Recognized from regulatory asset	—			197		—		—			—		197
Total	$	170		$	243	$	62	$	(3	)	$	—	$	472