Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Schedule Of Long-term Debt

Long-term debt consists of the following:

	December 31,
	2016			2015
	(in thousands)
$260,000,000 principal amount of First Mortgage Bonds, 2015    Series A due 2044 at an interest rate of 4.46%	$	260,000		$	260,000
$72,000,000 principal amount of First Mortgage Bonds, 2015    Series B due 2053 at an interest rate of 4.56%		72,000			72,000
$50,000,000 principal amount of First Mortgage Bonds, 2013    Series A due 2043 at an interest rate of 4.21%		50,000			50,000
$50,000,000 principal amount of First Mortgage Bonds, 2013    Series B due 2053 at an interest rate of 4.36%		50,000			50,000
$90,000,000 principal amount of First Mortgage Bonds, 2011    Series A due 2040 at an interest rate of 4.83%		72,000			75,000
$165,000,000 principal amount of First Mortgage Bonds, 2011    Series B due 2040 at an interest rate of 5.54%		165,000			165,000
$95,000,000 principal amount of First Mortgage Bonds, 2011    Series C due 2050 at an interest rate of 5.54%		80,750			83,125
$250,000,000 principal amount of 2003 Series A Bonds due    2028 at an interest rate of 5.676%		124,996			135,413
$300,000,000 principal amount of 2002 Series B Bonds due    2028 at an interest rate of 6.21%		150,000			162,500
		1,024,746			1,053,038
Debt issuance costs		(6,371	)		(6,820	)
Current maturities		(28,292	)		(28,292	)
	$	990,083		$	1,017,926

Schedule Of Maturities Of Long-term Debt

Maturities of long-term debt for the next five years and thereafter are as follows:  

Year Ending December 31,	(in thousands)
2017	$	28,292
2018		28,292
2019		28,292
2020		28,292
2021		36,541
2022 and thereafter		875,037
	$	1,024,746