Deposits - Interest-bearing or Noninterest-bearing (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
U.S.:
Interest-bearing	$ 11,681,158	$ 11,936,775
Noninterest-bearing	7,800,992	7,978,046
Foreign:
Interest-bearing	897,997	887,608
Noninterest-bearing	901,353	886,600
Total deposits	$ 21,281,500	$ 21,689,029