Deposits - Maturity Distribution of Time Certificates of Deposits (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Maturity distribution of time certificates of deposit
Three months or less	$ 888,324
Over three through six months	1,215,093
Over six through twelve months	1,034,155
One to two years	67,281
Two to three years	31,278
Three to four years	29,803
Four to five years	17,727
Thereafter	384
Total	3,284,045
Under $250,000
Maturity distribution of time certificates of deposit
Three months or less	375,094
Over three through six months	742,247
Over six through twelve months	588,338
One to two years	54,414
Two to three years	28,830
Three to four years	22,977
Four to five years	17,156
Thereafter	384
Total	1,829,440
$250,000 or More
Maturity distribution of time certificates of deposit
Three months or less	513,230
Over three through six months	472,846
Over six through twelve months	445,817
One to two years	12,867
Two to three years	2,448
Three to four years	6,826
Four to five years	571
Total	$ 1,454,605