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Stockholders' Equity	3 Months Ended
	Mar. 31, 2019
Equity [Abstract]
Stockholders' Equity	Stockholders' Equity Stock-based compensation During the three months ended March 31, 2019, the Company granted 1,324,319 shares of restricted stock and restricted stock units and 390,896 performance share awards with a market condition. The 1,324,319 shares of restricted stock and restricted stock units include 1,089,871 shares granted to employees that vest ratably over 3 years and 234,448 shares granted to non-employee members of the Board of Directors that have a vesting period of 12 months. The performance share awards granted may settle for between zero and two shares of the Company’s common stock. The number of shares issued pursuant to the performance share award agreements will be determined based on the total shareholder return of the Company’s common stock as compared to a group of peer companies. The performance share awards granted in February 2019 are measured over a three year performance period.

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- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

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