Consolidated Statement of Shareholders' Equity Statement - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock [Member]	Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]
Balances at Dec. 31, 2016	$ 499,720	$ 460	$ 817,580	$ (293,920)	$ (24,400)
Net income	21,840			21,840
Other comprehensive income (loss)	4,040				4,040
Shares surrendered upon options and restricted stock vesting to cover taxes	(480)		(480)
Non-cash compensation expense	3,340		3,340
Balances at Jun. 30, 2017	$ 528,460	$ 460	$ 820,440	$ (272,080)	$ (20,360)

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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