Note 5 - Variable Interest Entities (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Of Variable Interest Entities [Abstract]

Schedule of Variable Interest Entities [Table Text Block]

	December 31, 2013
	Project Debt		PPAs		Less than Marjority- owned Subsidiary
	(Dollars in thousands)
Assets:
Restricted cash and cash equivalents	$	48,276	$	—	$	—
Other current assets		66,671		5,459		—
Property, plant and equipment, net		1,190,467		190,616		—
Construction-in-process		136,486		461		11,055
Other long-term assets		56,601		267		—
Total assets	$	1,498,501	$	196,803	$	11,055
Liabilities:
Accounts payable and accrued expenses	$	16,087	$	2,608	$	—
Long-term debt		632,906		—		—
Other long-term liabilities		103,538		5,948		—
Total liabilities	$	752,531	$	8,556	$	—

	December 31, 2012 As Revised
	Project Debt		PPAs		Less Than Majority-Owned Subsidiary
	(Dollars in thousands)
Assets:
Restricted cash and cash equivalents	$	76,537	$	—	$	—
Other current assets		73,135		8,766		—
Property, plant and equipment, net		992,548		196,173		—
Construction-in-process		248,890		4,885		11,121
Other long-term assets		57,337		273		—
Total assets	$	1,448,447	$	210,097	$	11,121
Liabilities:
Accounts payable and accrued expenses	$	25,477	$	5,393	$	—
Billings in excess of costs and estimated earnings on uncompleted contracts		1,718		—		—
Long-term debt		595,425		—		—
Other long-term liabilities		81,070		8,386		—
Total liabilities	$	703,690	$	13,779	$	—