Deposits - Maturity Distribution of Time Certificates of Deposits (Details) $ in Thousands	Sep. 30, 2024 USD ($)
Maturity distribution of time certificates of deposit
Three months or less	$ 1,315,685
Over three through six months	1,423,964
Over six through twelve months	546,893
One to two years	44,819
Two to three years	28,035
Three to four years	20,029
Four to five years	22,298
Thereafter	541
Total	3,402,264
Under $250,000
Maturity distribution of time certificates of deposit
Three months or less	682,384
Over three through six months	811,006
Over six through twelve months	370,820
One to two years	38,255
Two to three years	21,456
Three to four years	16,878
Four to five years	15,645
Thereafter	207
Total	1,956,651
$250,000 or More
Maturity distribution of time certificates of deposit
Three months or less	633,301
Over three through six months	612,958
Over six through twelve months	176,073
One to two years	6,564
Two to three years	6,579
Three to four years	3,151
Four to five years	6,653
Thereafter	334
Total	$ 1,445,613