Income Taxes (Tables)

9 Months Ended

Sep. 30, 2017

Income Taxes [Abstract]

Summary of Income Tax Benefit (Provision)

The following summarizes our income tax provision (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Total current income tax provision	$	(1,592)	$	(713)	$	(55,581)	$	(2,056)
Total deferred income tax provision		(14,960)		(8,198)		(26,655)		(29,010)
Income tax provision	$	(16,552)	$	(8,911)	$	(82,236)	$	(31,066)

Summary of Uncertain Tax Positions Included in Income Tax Provision

The following summarizes amounts for uncertain tax positions (“UTPs”) included in our income tax provision (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Current provision for UTPs	$	(704)	$	(636)	$	(2,069)	$	(1,774)
Deferred benefit for UTPs		226		289		701		801
Tax provision for UTPs	$	(478)	$	(347)	$	(1,368)	$	(973)

Summary of Changes to Company's Liabilities for UTPs

The following summarizes the changes to our liabilities for UTPs included in long-term liabilities in the condensed consolidated balance sheets (in thousands):

	Nine Months Ended
	September 30,
	2017		2016
Liabilities for UTPs:
Opening balance — January 1	$	68,658	$	69,511
Current provision for potential additional interest		2,069		1,779
Statute expirations		—		(5)
Ending balance	$	70,727	$	71,285