Organization and Summary of Significant Accounting Policies - Earnings per share (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share
Weighted average number of common shares outstanding (in shares)	79,746,106	80,594,856	82,495,045
Effect of non-participatory equity compensation (in shares)	0	0	0
Weighted average number of common shares outstanding, including effect of dilutive securities (in shares)	79,746,106	80,594,856	82,495,045