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Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic benefit costs for our pension and post-retirement benefits plans for the three months ended March 31, 2017 and 2016 are set forth in the following tables:



		Chesapeake Pension Plan								FPU Pension Plan								Chesapeake SERP								Chesapeake Postretirement Plan								FPU Medical Plan
For the Three Months Ended March 31,		2017				2016				2017				2016				2017				2016				2017				2016				2017				2016
(in thousands)
Interest cost		$	103			$	105			$	623			$	630			$	22			$	23			$	10			$	11			$	13			$	14
Expected return on plan assets		(127		)		(131		)		(699		)		(701		)		—				—				—				—				—				—
Amortization of prior service credit		—				—				—				—				—				—				(19		)		(20		)		—				—
Amortization of net loss		107				104				131				128				22				22				16				18				—				—
Net periodic cost (benefit)		83				78				55				57				44				45				7				9				13				14
Amortization of pre-merger regulatory asset		—				—				191				191				—				—				—				—				2				2
Total periodic cost		$	83			$	78			$	246			$	248			$	44			$	45			$	7			$	9			$	15			$	16

Amounts Included in Regulatory asset and AOCI [Table Text Block]



For the Three Months Ended March 31, 2017		Chesapeake Pension Plan				FPU Pension Plan				Chesapeake SERP				Chesapeake Postretirement Plan				FPU Medical Plan				Total
(in thousands)
Prior service credit		$	—			$	—			$	—			$	(19	)		$	—			$	(19	)
Net loss		107				131				22				16				—				276
Total recognized in net periodic benefit cost		107				131				22				(3		)		—				257
Recognized from accumulated other comprehensive loss ⁽¹⁾		107				25				22				(3		)		—				151
Recognized from regulatory asset		—				106				—				—				—				106
Total		$	107			$	131			$	22			$	(3	)		$	—			$	257



For the Three Months Ended March 31, 2016		Chesapeake Pension Plan				FPU Pension Plan				Chesapeake SERP				Chesapeake Postretirement Plan				FPU Medical Plan				Total
(in thousands)
Prior service credit		$	—			$	—			$	—			$	(20	)		$	—			$	(20	)
Net loss		104				128				22				18				—				272
Total recognized in net periodic benefit cost		104				128				22				(2		)		—				252
Recognized from accumulated other comprehensive loss ⁽¹⁾		104				24				22				(2		)		—				148
Recognized from regulatory asset		—				104				—				—				—				104
Total		$	104			$	128			$	22			$	(2	)		$	—			$	252