Organization and Summary of Significant Accounting Policies - Recently Issued Accounting Pronouncements (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease, Practical Expedients, Package	true
Lease, Practical Expedient, Use of Hindsight	true
Operating lease asset	$ 46,755
Operating lease liability	$ 55,453
Restatement Adjustment | ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease asset		$ 48,300
Operating lease liability		56,300
Deferred rent liabilities		$ 8,000