Additional Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Other Significant Noncash Transactions [Line Items]
Interest paid	$ 72,146	$ 87,841
Income taxes paid (refunded)	3,196	28,253
Transfers of premises to premises held for sale	1,072	0
Transfers of other real estate owned to premises held for sale	3,504	0
Right-of-use lease assets obtained in exchange for lessee operating lease liabilities (adoption of ASU 2016-02)	0	32,757
Transfers of loans to other assets held for sale	114,925	0
Transfers of deposits to other liabilities held for sale	58,405	0
Transfers of loans to foreclosed assets held for sale
Other Significant Noncash Transactions [Line Items]
Transfers of loans and premises	1,147	1,506
Transfers of premises to foreclosed assets and other real estate owned
Other Significant Noncash Transactions [Line Items]
Transfers of loans and premises	$ 3,120	$ 444

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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 of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.

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