Investments In Limited Partnerships - Additional Information (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($) Partnership	Mar. 31, 2023 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Schedule of Investments [Line Items]
Unfunded equity commitments in other liabilities	$ 15,234,373			$ 15,179,312
Partnerships losses and impairment	$ 1,200	$ 1,100
Number of limited partnerships held | Partnership	3
Net Income (Loss)	$ 35,693	42,341
Equity Method Investments [Member]
Schedule of Investments [Line Items]
Income tax credits and adjustments				3,800
Equity Method Investments [Member] | Forecast [Member]
Schedule of Investments [Line Items]
Income tax credits and adjustments			$ 4,400
Limited Liability Company [Member]
Schedule of Investments [Line Items]
Amount invested in partnerships	3,000			3,000
Limited Liability Company [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule of Investments [Line Items]
Partnership income (loss) under equity method	12	$ 11
Variable Interest Entity, Not Primary Beneficiary [Member]
Schedule of Investments [Line Items]
Unfunded equity commitments in other liabilities	11,400			13,900
Variable Interest Entity, Not Primary Beneficiary [Member] | Other Assets [Member]
Schedule of Investments [Line Items]
Amount invested in partnerships	$ 30,700			$ 31,900