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Note 18 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

		Year Ended December 31,
		2017				2016				2015
		(Dollars in thousands)
U.S.		$	13,680			$	(7,109	)		$	(236	)
Non-U.S. (foreign)			157,050				148,197				113,835
Total income from continuing operations, before income taxes and equity in losses of investees		$	170,730			$	141,088			$	113,599

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		Year Ended December 31,
		2017				2016				2015
		(Dollars in thousands)
Current:
Federal		$	43,850			$	—			$	51
State			108				(276	)			252
Foreign			10,816				14,040				19,175
Total current income tax expense		$	54,774			$	13,764			$	19,478
Deferred:
Federal			(78,220	)			—				—
State			(4,544	)			—				—
Foreign			26,579				18,073				(34,736	)
Total deferred tax benefit			(56,185	)			18,073				(34,736	)
Total provision (benefit) for income taxes		$	(1,411	)		$	31,837			$	(15,258	)

Components Of Deferred Income Tax Expense (Benefit) [Table Text Block]

		Year Ended December 31,
		2017				2016				2015
		(Dollars in thousands)
Other deferred tax expense (exclusive of the effect of other components listed below)		$	1,833			$	(1,105	)		$	541
Usage (benefit) of operating loss carryforwards - U.S.			73,049				(14,072	)			(30,596	)
Change in valuation allowance			(58,757	)			16,411				(14,324	)
Change in foreign valuation allowance			—				—				(49,701	)
Change in foreign income tax			26,579				18,073				14,965
Change in lease transaction			—				—				(452	)
Change in tax monetization transaction			(23,234	)			48,000				16,386
Change in depreciation			129,408				(55,462	)			28,370
Change in foreign tax credits			(86,206	)			—				—
Change in withholding tax			14,400				—				—
Change in state and investment tax credits			(144	)			—				—
Change in intangible drilling costs			(118,610	)			10,227				10,335
Change in production tax credits and alternative minimum tax credit			(2,070	)			(11,659	)			610
Basis difference in partnership interests			(12,433	)			7,660				(10,870	)
		$	(56,185	)		$	18,073			$	(34,736	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		Year Ended December 31,
		2017				2016				2015
U.S. federal statutory tax rate			35.0	%			35.0	%			35.0	%
Impact of federal tax reform			(13.2	)			-				-
Transition tax inclusion			42.1				-				-
Foreign tax credits			(50.4	)			-				-
Tax basis adjustment			(4.7	)			-				-
Withholding tax			34.1				-				-
Valuation allowance - U.S.			(30.3	)			11.1				(1.4	)
Valuation allowance - foreign			-				-				(43.8	)
State income tax, net of federal benefit			(2.2	)			(0.2	)			0.6
Effect of foreign income tax, net			(10.3	)			(14.1	)			(5.1	)
Production tax credits			(1.2	)			(8.3	)			(0.1	)
Subpart F income			1.7				0.3				1.3
Other, net			(1.4	)			(1.3	)			-
Effective tax rate			(0.8%	)			22.5	%			(13.5%	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		December 31,
		2017				2016
		(Dollars in thousands)
Deferred tax assets (liabilities):
Net foreign deferred taxes, primarily depreciation		$	(61,961	)		$	(35,382	)
Depreciation			(65,312	)			148,419
Intangible drilling costs			12,934				(112,762	)
Net capital loss carryforward - U.S.			44,619				117,924
Tax monetization transaction			(6,465	)			(105,789	)
State and Investment tax credits			813				1,341
Production tax credits			85,193				82,451
Foreign tax credits			86,206				-
Withholding tax			(14,400	)			-
Stock options amortization			1,166				3,241
Basis difference in partnership interest			(14,731	)			(24,462	)
Accrued liabilities and other			2,931				(752	)
			70,993				74,229
Less - valuation allowance			(50,858	)			(109,611	)
Total		$	20,135			$	(35,382	)

Summary of Valuation Allowance [Table Text Block]

		Year Ended December 31,
		2017				2016				2015
		(Dollars in thousands)
Balance at beginning of the year		$	109,611			$	70,536			$	111,280
Additions to valuation allowance			46,560				39,075				-
Release of valuation allowance			(105,313	)			-				(40,744	)
Balance at end of the year		$	50,858			$	109,611			$	70,536

Schedule of Deferred Taxes Classified in Balance Sheet [Table Text Block]

		Year Ended December 31,
		2017				2016				2015
		(Dollars in thousands)
Non-current deferred tax assets		$	107,605			$	—			$	—
Non-current deferred tax liabilities			(87,470	)			(35,382	)			(32,654	)
Total Non-current deferred tax assets, net			20,135				(35,382	)			(32,654	)
Uncertain tax benefit offset (1)			(95	)			—				—
		$	20,040			$	(35,382	)		$	(32,654	)

Summary of Income Tax Contingencies [Table Text Block]

		Year Ended December 31,
		2017				2016				2015
		(Dollars in thousands)
Balance at beginning of year		$	5,738			$	10,385			$	7,511
Additions based on tax positions taken in prior years			798				675				(198	)
Additions based on tax positions taken in the current year			2,367				1,059				4,386
Reduction based on tax positions taken in prior years			(13	)			(6,381	)			(1,314	)
Balance at end of year		$	8,890			$	5,738			$	10,385

Summary of Income Tax Examinations [Table Text Block]

Israe l	2015	—	2017
Kenya	2012	—	2017
Guatemala	2013	—	2017
Honduras	2012	—	2017
Guadeloupe	2015	—	2017
Philippines	2010	—	2017
New Zealand	2012	—	2017

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