Note 19 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

Years Ended December 31,	2020			2019			2018
Domestic	$	(176,448	)	$	(72,765	)	$	14,243
Foreign		9,985			(4,313	)		(5,915	)
Total (loss) income before (benefit from) provision for income taxes	$	(166,463	)	$	(77,078	)	$	8,328

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

Years Ended December 31,	2020			2019			2018
Federal:
Current	$	(9,017	)	$	(5,862	)	$	(15,970	)
Deferred		7,941			(17,731	)		12,037
Total federal		(1,076	)		(23,593	)		(3,933	)
State:
Current		(443	)		700			10
Deferred		2,052			(3,456	)		644
Total state		1,609			(2,756	)		654
Foreign:
Current		136			7,340			606
Deferred		(951	)		(1,367	)		(535	)
Total foreign		(815	)		5,973			71
Total benefit from income taxes	$	(282	)	$	(20,376	)	$	(3,208	)

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

Years Ended December 31,	2020					2019					2018
Federal statutory tax	$	(34,957	)	21.0	%	$	(16,186	)	21.0	%	$	1,749		21.0	%
State taxes, net of federal tax benefit		1,696		(1.0	)		(2,905	)	3.8			1,163		14.0
Foreign Taxes		(1,374	)	0.8			—		—			(182	)	(2.2	)
Percentage depletion deduction		(1,096	)	0.7			(932	)	1.2			(951	)	(11.4	)
Non-controlling interests		4,423		(2.7	)		(733	)	1.0			(2,289	)	(27.5	)
Nondeductible expenses		1,073		(0.6	)		2,171		(2.8	)		4,842		58.2
Non-cash impairment charges		32,905		(19.8	)		—		—			—		—
Company-owned life insurance		—		—			(870	)	1.1			410		4.9
Stock-based Compensation		—		—			—		—			(815	)	(9.8	)
Changes in uncertain tax positions		(1,781	)	1.1			(912	)	1.2			(772	)	(9.3	)
Capital loss expiration		—		—			—		—			8,423		101.2
Valuation allowance		4,197		(2.5	)		1,727		(2.2	)		(6,795	)	(81.6	)
Gain/Loss on Sale of Entity		(3,827	)	2.3			—		—			—		—
Purchase Price Accounting		—		—			(1,308	)	1.7			—		—
Tax Cuts and Jobs Act of 2017		—		—			—		—			(7,980	)	(95.8	)
Other		(1,541	)	0.9			(428	)	0.4			(11	)	(0.2	)
Total	$	(282	)	0.2	%	$	(20,376	)	26.4	%	$	(3,208	)	(38.5	)%

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

December 31,	2020			2019
Long-term deferred tax assets:
Receivables	$	3,162		$	2,776
Insurance		12,720			11,340
Deferred compensation		11,187			10,498
Accrued compensation		9,860			2,574
Other accrued liabilities		1,596			1,084
Contract income recognition		15,895			22,208
Lease liabilities		16,342			19,078
Net operating loss carryforwards		55,000			72,036
Valuation allowance		(29,622	)		(30,889	)
Other		7,331			4,142
Total long-term deferred tax assets		103,471			114,847
Long-term deferred tax liabilities:
Property and equipment		48,996			49,676
Right of use assets		15,792			18,767
Total long-term deferred tax liabilities		64,788			68,443
Net long-term deferred tax assets	$	38,683		$	46,404

Summary of Operating Loss Carryforwards [Table Text Block]

	Expiration		Gross Carryforward		Tax Effected Carryforward
Federal net operating loss carryforwards		2032-2036	$	62,361	$	13,096
Federal net operating loss carryforwards		N/A		75,376		15,829
State net operating loss carryforwards		2021-2040		237,312		12,059
Foreign tax loss carryforwards		2021-2040		47,210		14,016
Total net operating loss carryforwards at December 31, 2020					$	55,000

Summary of Valuation Allowance [Table Text Block]

December 31,	2020			2019
Beginning balance	$	30,889		$	31,909
(Deductions) additions due to acquisitions		—			(716	)
(Deductions) additions due to dispositions		(4,667	)		—
Additions (deductions), net		3,400			(304	)
Ending balance	$	29,622		$	30,889

Summary of Income Tax Contingencies [Table Text Block]

December 31,	2020			2019			2018
Beginning balance	$	27,303		$	22,383		$	3,171
Gross increases - acquisitions		—			5,812			20,153
Gross decreases – dispositions		(1,590	)		—			36
Gross decreases – current period tax positions		—			—			(3	)
Gross increases – prior period tax positions		—			157			2
Gross decreases – prior period tax positions		(608	)		(8	)		(195	)
Settlements with taxing authorities/lapse of statute of limitations		(1,785	)		(1,041	)		(781	)
Ending balance	$	23,320		$	27,303		$	22,383