Note 2 - New Accounting Pronouncements (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

	(Dollars in millions)
Electricity segment revenues	$	–
Product segment revenues		–
Other segment revenues		–
Investment in an unconsolidated company		24.0

	Three Months Ended September 30, 2018		Nine Months Ended September 30, 2018
	(Dollars in thousands)		(Dollars in thousands)
Electricity Revenues accounted under ASC 840, Leases	$	111,114	$	353,859
Electricity and Product revenues accounted under ASC 606		55,366		174,943
Total consolidated revenues	$	166,480	$	528,802

	Three months ended September 30, 2018 under previous standard			Effect of the New Revenue Standard			As reported for the three months ended September 30, 2018
	(Dollars in thousands)
Equity in earnings (losses) of investees, net	$	(15	)	$	(102	)	$	(117	)
Income from continuing operations		10,209			(102	)		10,107
Net income attributable to the Company’s stockholders		10,683			(102	)		10,581
Retained earnings as of the end of the period		410,972			(102	)		410,870

	Nine months ended September 30, 2018 under previous standard			Effect of the New Revenue Standard		As reported for the nine months ended September 30, 2018
	(Dollars in thousands)
Equity in earnings (losses) of investees, net	$	(1,308	)	$	2,789	$	1,481
Income from continuing operations		84,233			2,789		87,022
Net income attributable to the Company’s stockholders		76,957			2,789		79,746
Retained earnings as of the end of the period		408,081			2,789		410,870

Contract with Customer, Asset and Liability [Table Text Block]

	September 30,			December 31,
	2018			2017
	(Dollars in thousands)
Contract assets (*)	$	47,811		$	40,945
Contract liabilities (*)		(21,760	)		(20,241	)
Contract assets, net	$	26,051		$	20,704

	Contract assets			Contract liabilities
	(Dollars in thousands)
Recognition of contract liabilities as revenue as a result of performance obligations satisfied	$	-		$	22,504
Cash received in advance for which revenues have not yet recognized, net expenditures made		-			(29,796	)
Reduction of contract assets as a result of rights to consideration becoming unconditional		(87,510	)		-
Contract assets recognized, net of recognized receivables		100,150			-
Net change in contract assets and contract liabilities		12,640			(7,292	)