Deposits - Interest-bearing or Noninterest-bearing (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
U.S.:
Interest-bearing	$ 12,002,358	$ 12,013,597
Noninterest-bearing	6,089,865	6,169,833
Foreign:
Interest-bearing	1,327,907	1,333,471
Noninterest-bearing	795,686	805,315
Total deposits	$ 20,215,816	$ 20,322,216