Background, Organization, and Summary of Significant Accounting Policies Background, Organization, and Summary of Significant Accounting Policies - Schedule of Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Average basic shares (in shares)	55,310	53,369	54,726	50,640
Effect of dilutive securities:
Management Incentive Plan shares (in shares)	0	11	9	22
Restricted stock units (in shares)	53	44	57	39
Average diluted shares (in shares)	55,363	53,424	54,792	50,701
Number of performance share units granted (in shares)	50	40	48	29