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Basis of Presentation and Significant Accounting Policies - Summary of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash payments:
Interest	$ 42,196	$ 70,043	$ 127,713
Income taxes (net of refunds)	31,875	24,436	5,494
Noncash Investing and Financing Activities:
Securities transferred from held-to-maturity to available-for-sale	0	0	381,992
Transfer of premises and equipment to assets held for sale	9,539	16,661	2,689
Operating lease right-of-use assets obtained in exchange for lease obligations	776		113,498
Operating lease right-of-use assets obtained in exchange for lease obligations		(116)
Finance lease right-of-use assets obtained in exchange for lease obligations	$ 7,477	$ 5,225	$ 7,871

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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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