Securities, HTM Debt Securities, Contractual Maturities (Details) $ in Thousands	Jun. 30, 2024 USD ($) Issuer	Dec. 31, 2023 USD ($) Issuer
Held-to-maturity Securities, Debt Maturities, Amortized Cost [Abstract]
Within one year	$ 102,069
From one to five years	120,724
From five to ten years	244,994
After ten years	411,122
Amortized cost	878,909	$ 905,267
Held-to-maturity Securities, Debt Maturities, Estimated Fair Value [Abstract]
Within one year	101,871
From one to five years	114,731
From five to ten years	212,360
After ten years	351,528
Fair value	$ 780,490	$ 814,524
Number of issuers whose holdings exceeded 10% of consolidated stockholders' equity, excluding U.S. Government securities and Government-sponsored enterprises securities | Issuer	0	0