Stockholders' Equity - Retained Earnings (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Jun. 30, 2018	Mar. 31, 2018
Increase (Decrease) in Stockholders' Equity
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Retained Earnings
Increase (Decrease) in Stockholders' Equity
Balance as of March 31, 2018	$ 785,871
Net loss	(30,407)
Repurchased stock value	9,999
Impact from adoption of ASUs, net of tax		$ 720
Balance as of June 30, 2018	746,185
2015 And 2017 Stock Repurchase Plans
Increase (Decrease) in Stockholders' Equity
Repurchased stock value	$ 10,000
Shares repurchased (in shares)	85,792

Face amount or stated value per share of common stock.

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

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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