Amount of the cumulative effect on retained earnings net of related income tax effect.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Organization and Summary of Significant Accounting Policies (ASU 2016-09) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Recently Issued Accounting Pronouncements
Accumulated deficit		$ (245,633)	$ (242,088)
ASU 2016-09
Recently Issued Accounting Pronouncements
Cumulative-effect adjustment	$ 11,600
Deferred tax assets	11,600
Deferred tax assets valuation allowance	11,600
Accumulated deficit	$ (11,600)