Income Taxes - (Tables)

12 Months Ended

Dec. 31, 2017

Income Taxes

Schedule of components of income tax expense

	Year Ended December 31,
	2017		2016		2015
Current:
Federal	$	—	$	—	$	—
State		247		43		67
		247		43		67
Deferred:
Federal		24,385		—		—
State		1,267		—		—
		25,652		—		—
Income tax expense	$	25,899	$	43	$	67

Schedule of income tax expense differs from the amount computed by applying the statutory federal income tax rate

	Year Ended December 31,
	2017		2016		2015
Income (loss) before income taxes	$	48,386	$	2,846	$	(1,306)
Less: net income prior to corporate reorganization		3,665		2,846		(1,306)
Less: net income before income taxes attributable to noncontrolling interest		15,439		—		—
Income (loss) attributable to Solaris Oilfield Infrastructure, Inc. stockholders before income taxes		29,282		—		—
Income tax expense (benefit) at the federal statutory rate		10,249		—		—
State income taxes, net of federal benefit		1,071		43		67
Remeasurement of federal deferred tax assets due to rate change		22,637		—		—
Tax receivable agreement adjustments		(8,058)		—		—
Income tax (benefit) expense	$	25,899	$	43	$	67

Schedule of Deferred Tax Assets and Liabilities

	December 31,
	2017		2016
Assets:
Investments in subsidiaries	$	20,219	$	—
Imputed interest		612		—
Net operating loss carryforward		5,493		—
Total deferred tax assets		26,324		—
Liabilities:
Total deferred tax liabilities		—		—
Net deferred tax asset	$	26,324	$	—

Schedule of changes in gross unrecognized tax benefits

	Year Ended December 31,
	2017		2016		2015
Balance, January 1,	$	—	$	—	$	—
Additions for the current year tax		812		—		—
Additions related to prior years		—		—		—
Reductions related to settlements with taxing authorities		—		—		—
Reductions related to lapses in statute of limitations		—		—		—
Reductions related to prior years		—		—		—
Balance, December 31,	$	812	$	—	$	—