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Derivative Instruments (Schedule of Derivative Gains and Losses) (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Derivative [Line Items]      
Gain (Loss) Recognized in Other Comprehensive (Loss) Income (effective portion) $ 1,819 $ 3,045 $ (4,864)
Interest Rate Swap | Designated as Hedging Instrument      
Derivative [Line Items]      
Gain (Loss) Recognized in Other Comprehensive (Loss) Income (effective portion) 1,819 3,045 (4,864)
Interest Rate Swap | Designated as Hedging Instrument | Interest Expense      
Derivative [Line Items]      
Gain (Loss) Reclassified from Accumulated Other Comprehensive (Loss) Income into Income $ (2,429) $ (4,760) $ 62