Organization and Summary of Significant Accounting Policies Redeemable Noncontrolling Interest (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Redeemable Noncontrolling Interest [Roll Forward]
Redeemable noncontrolling interest, beginning of period	$ 0	$ 2,287	$ 2,665
Redemption value adjustment of noncontrolling interest	0	360	0
Net loss attributable to noncontrolling interest	0	(294)	(352)
Other comprehensive income attributable to noncontrolling interest	0	220	(26)
Less: purchase of redeemable noncontrolling interest	0	2,573	0
Redeemable noncontrolling interest, end of period	$ 0	$ 0	$ 2,287

Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

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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

Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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- Definition

Amount before tax of other comprehensive income (loss) attributable to noncontrolling interests.

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- Definition

The cash outflow during the period for redemption of redeemable noncontrolling interests.

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- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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