Financial Derivatives - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable (includes $12,514 and $10,418, respectively, related to consolidated trusts)	Accrued interest receivable (includes $12,514 and $10,418, respectively, related to consolidated trusts)
Gain expected to be reclassified from AOCI to earnings over next 12 months	$ 14,800,000
Gain (loss) from interest rate swaps designated as cash flow hedges reclassified to earnings	0	$ 0
Financial derivatives in net payable position	0	0
Notional amount	23,878,611,000	17,547,367,000
Exchange Cleared
Derivative [Line Items]
Notional amount	19,500,000,000	14,900,000,000
Interest Rate Swap
Derivative [Line Items]
Notional amount	23,900,000,000	17,500,000,000
Cleared Swaps
Derivative [Line Items]
Accrued interest on cleared swaps	6,100,000	3,000,000
Uncleared Swaps
Derivative [Line Items]
Accrued interest payable	$ 3,600,000	$ 1,900,000