Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies (Tables) [Abstract]

Purchase Contracts

(In thousands)		2013		2014		2015		2016		2017
Coal(a)	$	21,890	$	9,450	$	6,340	$	1,623	$	1,040
Natural Gas
Transportation and storage(b)		17,219		16,947		16,793		9,218		197
Supply(c)		9,765		0		0		0		0
Purchase Power(d)		50,713		49,880		48,050		49,037		49,833
Other		926		239		0		0		0
	$	100,513	$	76,516	$	71,183	$	59,878	$	51,070

Chattel Paper Principal Payments

(In thousands)		2013		2014		2015		2016		2017
Principal payments	$	689	$	547	$	862	$	790	$	376

Leases

(In thousands)		2013		2014		2015		2016		2017		Thereafter
Minimum lease payments	$	2,026	$	1,557	$	1,082	$	791	$	679	$	8,606