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Note 9 - Business Segments (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Electricity				Product				Energy Storage				Consolidated
		(Dollars in thousands)
Three Months Ended September 30, 2022:
Revenues from external customers:
United States ⁽¹⁾		$	106,490			$	1,267			$	8,848			$	116,605
Foreign⁽²⁾			46,330				12,950				—				59,280
Net revenue from external customers			152,820				14,217				8,848				175,885
Intersegment revenues ⁽⁴⁾			—				14,959				—				—
Operating income (loss)			38,054				(158	)			997				38,893
Segment assets at period end ^{(3) (*)}			4,153,330				128,790				242,411				4,524,531
* Including unconsolidated investments			117,182				—				—				117,182

Three Months Ended September 30, 2021:
Revenues from external customers:
United States ⁽¹⁾		$	98,550			$	1,541			$	5,664			$	105,755
Foreign⁽²⁾			44,101				8,986				—				53,087
Net revenue from external customers			142,651				10,527				5,664				158,842
Intersegment revenues ⁽⁴⁾			—				14,147				—				—
Operating income (loss)			38,409				(1,115	)			(1,306	)			35,988
Segment assets at period end^{(3) (*)}			4,064,679				125,167				169,520				4,359,366
* Including unconsolidated investments			109,725				—				—				109,725

Nine Months Ended September 30, 2022:
Revenues from external customers:
United States ⁽¹⁾		$	327,792			$	2,936			$	22,896			$	353,624
Foreign ⁽²⁾			138,748				36,301				—				175,049
Net revenue from external customers			466,540				39,237				22,896				528,673
Intersegment revenues ⁽⁴⁾			—				57,959				—				—
Operating income (loss)			128,049				(4,009	)			(1,462	)			122,578
Segment assets at period end⁽³⁾ (*)			4,153,330				128,790				242,411				4,524,531
* Including unconsolidated investments			117,182				—				—				117,182

Nine Months Ended September 30, 2021:
Revenues from external customers:
United States ⁽¹⁾		$	285,090			$	4,041			$	24,012			$	313,143
Foreign ⁽²⁾			136,413				22,539				—				158,952
Net revenue from external customers			421,503				26,580				24,012				472,095
Intersegment revenues ⁽⁴⁾			—				90,519				—				—
Operating income (loss)			116,176				(2,753	)			1,073				114,496
Segment assets at period end ⁽³⁾ (*)			4,064,679				125,167				169,520				4,359,366
* Including unconsolidated investments			109,725				—				—				109,725

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2022				2021				2022				2021
		(Dollars in thousands)								(Dollars in thousands)
Revenues:
Total segment revenues		$	175,885			$	158,842			$	528,673			$	472,095
Intersegment revenues			14,959				14,147				57,959				90,519
Elimination of intersegment revenues			(14,959	)			(14,147	)			(57,959	)			(90,519	)
Total consolidated revenues		$	175,885			$	158,842			$	528,673			$	472,095

Operating income:
Operating income		$	38,893			$	35,988			$	122,578			$	114,496
Interest income			1,659				519				2,180				1,590
Interest expense, net			(22,403	)			(22,230	)			(63,902	)			(59,872	)
Derivatives and foreign currency transaction gains (losses)			(293	)			(21	)			(4,031	)			(16,229	)
Income attributable to sale of tax benefits			9,113				7,879				26,345				21,654
Other non-operating income (expense), net			673				44				(512	)			(308	)
Total consolidated income before income taxes and equity in income of investees		$	27,642			$	22,179			$	82,658			$	61,331