Note 12 - Long-term Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

	December 31,
	2016			2015
	(Dollars in thousands)
Limited and non-recourse agreements:
Loans:
Non-recourse:
Other loans	$	6,368		$	-
Limited recourse:
Loan agreement with OPIC (the Olkaria III power plant)		246,630			264,624
Loan agreement with Banco Industrial S.A. and Westrust Bank (International) Limited		36,750			40,250
Senior Secured Notes:
Non-recourse:
Ormat Funding Corp. ("OFC")		17,026			29,968
OrCal Geothermal Inc. ("OrCal")		35,181			43,332
Don A. Campbell 1 ("DAC1")		92,361
Limited recourse:
OFC 2 LLC ("OFC 2")		247,232			261,959
		681,548			640,133
Less current portion		(53,729	)		(51,425	)
Non current portion	$	627,819		$	588,708
Full recourse agreements:
Senior unsecured bonds	$	204,332		$	249,981
Loans from institutional investors		3,333			6,667
Loan agreements with DEG (the Olkaria III and IV power plants)		65,789			23,684
Loan from a commercial bank		1,529			-
Revolving credit lines with banks		-			-
		274,983			280,332
Less current portion		(12,242	)		(11,229	)
Non current portion	$	262,741		$	269,103

Schedule of Maturities of Long-term Debt [Table Text Block]

	(Dollars in thousands)
Year ending December 31:
2017	$	65,971
2018		64,805
2019		59,146
2020		126,870
2021		46,579
Thereafter		593,161
Total	$	956,532