Organization and Summary of Significant Accounting Policies Redeemable Noncontrolling Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Redeemable Noncontrolling Interest [Roll Forward]
Redeemable noncontrolling interest, beginning of period	$ 3,113
Net loss attributable to redeemable noncontrolling interest	(51)	$ 338	$ 0
Other comprehensive loss attributable to noncontrolling interest	(397)
Redeemable noncontrolling interest, end of period	$ 2,665	$ 3,113