Fair Value Measurements - Schedule of Fair Value Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-qualified deferred compensation asset	$ 9,107	$ 6,164
Non-qualified deferred compensation liability	(6,692)	(3,756)
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-qualified deferred compensation asset	9,107	6,164
Non-qualified deferred compensation liability	(6,692)	(3,756)
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-qualified deferred compensation asset	0	0
Non-qualified deferred compensation liability	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-qualified deferred compensation asset	0	0
Non-qualified deferred compensation liability	$ 0	$ 0