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Nominal or face amount used to calculate payments on the derivative asset.

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No definition available.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

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Fair value as of the balance sheet date of all derivative assets designated as interest rate fair value hedging instruments.

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Derivatives (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
Derivatives (Narratives) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2023
AOCI Attributable To Parent [Abstract]
Interest expense	$ 60,598	$ 49,799
Derivative Fair Value Of Derivative Net [Abstract]
Derivative hedges, net market value	9,254			$ 5,311
Decrease, fair value, cash flow hedges
AOCI Attributable To Parent [Abstract]
Interest expense	7,500		$ 4,300
Reclassified AOCI
AOCI Attributable To Parent [Abstract]
Interest expense	362,400		465,700
Interest rate contracts
AOCI Attributable To Parent [Abstract]
Interest expense	1,500		$ 600
Investments, other
Derivative Fair Value Of Derivative Net [Abstract]
Derivative hedges, net market value	3,800			100
Notional amount (lease)				$ 4,800
Amounts reclassified from AOCI to interest expense	$ 900	$ 400