Variable Interest Entities - Amortization Expense and Tax Credits and Other Tax Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Investments in Qualified Affordable Housing Projects
Amortization expense	$ 3,728	$ 3,009	$ 11,636	$ 8,999
Tax credits and other tax benefits recognized	$ 4,981	$ 4,009	$ 15,552	$ 11,986