Additional Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Other Significant Noncash Transactions [Line Items]
Interest paid	$ 47,675	$ 13,203
Income taxes paid	13,245	10,067
Transfers of loans to foreclosed assets held for sale
Other Significant Noncash Transactions [Line Items]
Transfers of loans	6,725	2,667
Transfers of premises to foreclosed assets and other real estate owned
Other Significant Noncash Transactions [Line Items]
Transfers of loans	$ 855	$ 3,188

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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