Organization and Summary of Significant Accounting Policies - Schedule of Change in Accounting Estimate (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income	$ 18,034	$ 51,448	$ 100,499
Basic EPS	$ 0.45	$ 1.28	$ 2.75
Diluted EPS	$ 0.44	$ 1.24	$ 2.65
Restatement Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income			$ 894
Basic EPS			$ 0.02
Diluted EPS			$ 0.02