Note 20 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

				As Restated
Years Ended December 31,	2019			2018			2017
Domestic	$	(72,765	)	$	14,243		$	68,058
Foreign		(4,313	)		(5,915	)		213
Total (loss) income before (benefit from) provision for income taxes	$	(77,078	)	$	8,328		$	68,271

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

					As Restated
Years Ended December 31,		2019			2018			2017
Federal:
Current	$	(5,862	)	$	(15,970	)	$	23,677
Deferred		(17,731	)		12,037			(938	)
Total federal		(23,593	)		(3,933	)		22,739
State:
Current		700			10			4,800
Deferred		(3,456	)		644			(1,699	)
Total state		(2,756	)		654			3,101
Foreign:
Current		7,340			606			(12	)
Deferred		(1,367	)		(535	)		(14	)
Total foreign		5,973			71			(26	)
Total (benefit from) provision for income taxes	$	(20,376	)	$	(3,208	)	$	25,814

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

							As Restated
Years Ended December 31,		2019					2018					2017
Federal statutory tax	$	(16,186	)	21.0	%	$	1,749		21.0	%	$	23,881		35.0	%
State taxes, net of federal tax benefit		(2,905	)	3.8			1,163		14.0			2,653		3.9
Foreign Taxes		—		—			(182	)	(2.2	)		—		—
Percentage depletion deduction		(932	)	1.2			(951	)	(11.4	)		(1,368	)	(2.0	)
Domestic production activities deduction		—		—			—		—			(2,344	)	(3.4	)
Non-controlling interests		(733	)	1.0			(2,289	)	(27.5	)		(2,919	)	(4.3	)
Nondeductible expenses		2,171		(2.8	)		4,842		58.2			1,128		1.7
Company-owned life insurance		(870	)	1.1			410		4.9			(1,545	)	(2.3	)
Stock-based Compensation		—		—			(815	)	(9.8	)		—		—
Changes in uncertain tax positions		(912	)	1.2			(772	)	(9.3	)		—		—
Capital loss expiration		—		—			8,423		101.2			—		—
Valuation allowance		1,727		(2.2	)		(6,795	)	(81.6	)		—		—
Purchase Price Accounting		(1,308	)	1.7			—		—			—		—
Tax Cuts and Jobs Act of 2017		—		—			(7,980	)	(95.8	)		7,431		10.9
Other		(428	)	0.4			(11	)	(0.2	)		(1,103	)	(1.7	)
Total	$	(20,376	)	26.4	%	$	(3,208	)	(38.5	)%	$	25,814		37.8	%

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

				As Restated
December 31,	2019			2018
Long-term deferred tax assets:
Receivables	$	2,776		$	2,726
Insurance		11,340			11,085
Deferred compensation		10,498			10,443
Accrued compensation		2,574			3,803
Other accrued liabilities		1,084			1,905
Contract income recognition		21,402			6,299
Net operating loss carryforwards		72,842			67,984
Valuation allowance		(30,889	)		(31,909	)
Other		4,453			3,655
Total long-term deferred tax assets		96,080			75,991
Long-term deferred tax liabilities:
Property and equipment		49,676			50,009
Total long-term deferred tax liabilities		49,676			50,009
Net long-term deferred tax assets	$	46,404		$	25,982

Summary of Operating Loss Carryforwards [Table Text Block]

	Expiration		Gross Carryforward		Tax Effected Carryforward
Federal net operating loss carryforwards		2032-2036	$	78,584	$	16,502
Federal net operating loss carryforwards		N/A		112,128		23,547
State net operating loss carryforwards		2020-2039		256,445		13,283
Foreign tax loss carryforwards		2020-2039		63,161		19,510
Total net operating loss carryforwards at December 31, 2019					$	72,842

Summary of Valuation Allowance [Table Text Block]

				As Restated
December 31,	2019			2018
Beginning balance	$	31,909		$	2,567
(Deductions) additions due to acquisitions		(716	)		36,410
(Deductions) additions, net		(304	)		(7,068	)
Ending balance	$	30,889		$	31,909

Summary of Income Tax Contingencies [Table Text Block]

December 31,	2019			2018			2017
Beginning balance	$	22,383		$	3,171		$	3,262
Gross increases - acquisitions		5,812			20,153			—
Gross increases – current period tax positions		—			36			—
Gross decreases – current period tax positions		—			(3	)		(73	)
Gross increases – prior period tax positions		157			2			1
Gross decreases – prior period tax positions		(8	)		(195	)		(6	)
Settlements with taxing authorities/lapse of statute of limitations		(1,041	)		(781	)		(13	)
Ending balance	$	27,303		$	22,383		$	3,171