Organization and Summary of Significant Accounting Policies - Share-based Compensation Plans (Details)	12 Months Ended
	Dec. 31, 2019
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Illiquidity rate	9.20%
Post exercise holding period	2 years 6 months
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	10 years