Committed Lines of Credit (Tables)

3 Months Ended

Mar. 31, 2014

Schedule Of Borrowings Outstanding And Letters Of Credit

	March 31,			December 31,
	2014			2013
Borrowings outstanding at end of period	$	111,000		$	171,000
Letters of credit outstanding at end of period	$	9,614		$	27,434
Average interest rate on borrowings at end of period	0.93		%	1.02		%

Ecova [Member]

Schedule Of Borrowings Outstanding And Letters Of Credit

	March 31,			December 31,
	2014			2013
Borrowings outstanding at end of period	$	42,000		$	46,000
Average interest rate on borrowings at end of period	2.16		%	2.17		%