Borrowings - Stated Maturity and Maturity to Call Date (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Stated maturity, 2023	$ 2,757,385
Stated maturity, 2024	3,080,010
Stated maturity, 2025	2,856,279
Stated maturity, 2026	2,132,129
Stated maturity, 2027	682,748
Stated maturity, 2028 and after	1,065,435
Total principal amount, maturity to call date	12,573,986
Hedge accounting adjustments	(5,599)
Total principal amount, after adjustments	12,568,387
Brokered Deposits
Debt Instrument [Line Items]
Stated maturity, 2023	2,031,404
Stated maturity, 2024	2,397,229
Stated maturity, 2025	1,681,406
Stated maturity, 2026	1,029,385
Stated maturity, 2027	152,227
Stated maturity, 2028 and after	47,221
Total principal amount, maturity to call date	7,338,872
Hedge accounting adjustments	(5,599)
Total principal amount, after adjustments	7,333,273
Unsecured Debt
Debt Instrument [Line Items]
Stated maturity, 2023	0
Stated maturity, 2024	0
Stated maturity, 2025	496,240
Stated maturity, 2026	492,746
Stated maturity, 2027	0
Stated maturity, 2028 and after	0
Total principal amount, maturity to call date	988,986
Hedge accounting adjustments	0
Total principal amount, after adjustments	988,986
Secured Borrowings
Debt Instrument [Line Items]
Stated maturity, 2023	725,981
Stated maturity, 2024	682,781
Stated maturity, 2025	678,633
Stated maturity, 2026	609,998
Stated maturity, 2027	530,521
Stated maturity, 2028 and after	1,018,214
Total principal amount, maturity to call date	4,246,128
Hedge accounting adjustments	0
Total principal amount, after adjustments	$ 4,246,128

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