Organization and Summary of Significant Accounting Policies - Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Other Assets
Deferred compensation plan assets	$ 19,126	$ 17,074
Investments in privately held companies	14,711	12,043
Long-term notes receivable	2,345	2,196
Other	5,239	6,363
Total Other Assets	$ 41,421	$ 37,676