Stockholders' Equity - Schedule of Repurchased Shares (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Class of Stock [Line Items]
Total amount repurchased	$ 997	$ 21,291	$ 2,239	$ 50,856
Share Repurchase Program
Class of Stock [Line Items]
Number of share (in shares)	28,865	672,719	28,865	1,622,544
Average price per share (in USD per share)	$ 34.55	$ 31.53	$ 34.55	$ 30.80
Total amount repurchased	$ 1,000	$ 21,200	$ 1,000	$ 50,000
Restricted Shares
Class of Stock [Line Items]
Number of share (in shares)	0	2,273	31,117	28,537
Average price per share (in USD per share)	$ 0	$ 35.32	$ 39.91	$ 30.83
Total amount repurchased	$ 0	$ 100	$ 1,200	$ 900