Derivative Financial Instruments - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Derivative [Line Items]
Estimated fair value, asset derivative	$ 108,972	$ 90,543
Estimated fair value, liability derivative	170,307	176,543
Offsetting derivative liabilities	(37,346)	(5,164)
Offsetting derivative assets	(37,346)	(5,164)
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset	(38,682)	(71,875)
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset	(62,044)	(79,621)
Net asset derivatives included in the consolidated balance sheets	32,944	13,504
Net liability derivatives included in the consolidated balance sheets	$ 70,917	$ 91,758
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Derivatives designated as hedges | Swaps | Cash Flow Hedging
Derivative [Line Items]
Residential MSRs, notional amount	$ 2,850,000	$ 3,000,000
Estimated fair value, asset derivative	668	0
Estimated fair value, liability derivative	57,961	86,378
Non-hedging derivatives | Swaps | Customer-Initiated and Other Derivatives
Derivative [Line Items]
Residential MSRs, notional amount	5,673,822	4,396,367
Estimated fair value, asset derivative	65,247	83,529
Estimated fair value, liability derivative	69,863	83,529
Non-hedging derivatives | Foreign currency forward contracts | Customer-Initiated and Other Derivatives
Derivative [Line Items]
Residential MSRs, notional amount	4,824	0
Estimated fair value, asset derivative	52	0
Estimated fair value, liability derivative	31	0
Non-hedging derivatives | Caps and floors written | Customer-Initiated and Other Derivatives
Derivative [Line Items]
Residential MSRs, notional amount	637,971	220,142
Estimated fair value, asset derivative	1,654	0
Estimated fair value, liability derivative	2,228	2,583
Non-hedging derivatives | Caps and floors purchased | Customer-Initiated and Other Derivatives
Derivative [Line Items]
Residential MSRs, notional amount	637,971	220,142
Estimated fair value, asset derivative	2,228	2,583
Estimated fair value, liability derivative	1,654	0
Non-hedging derivatives | Forward contracts | Customer-Initiated and Other Derivatives
Derivative [Line Items]
Residential MSRs, notional amount	8,665,675	1,569,326
Estimated fair value, asset derivative	39,123	4,431
Estimated fair value, liability derivative	$ 38,570	$ 4,053