Deposits - Maturity Distribution of Time Certificates of Deposits (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Maturity distribution of time certificates of deposit
Three months or less	$ 540,453
Over three through six months	566,298
Over six through twelve months	461,721
One to two years	158,796
Two to three years	71,857
Three to four years	54,166
Four to five years	44,804
Thereafter	827
Total	1,898,922
Under $250,000
Maturity distribution of time certificates of deposit
Three months or less	193,458
Over three through six months	200,904
Over six through twelve months	282,561
One to two years	116,268
Two to three years	54,972
Three to four years	41,935
Four to five years	33,114
Thereafter	827
Total	924,039
$250,000 or More
Maturity distribution of time certificates of deposit
Three months or less	346,995
Over three through six months	365,394
Over six through twelve months	179,160
One to two years	42,528
Two to three years	16,885
Three to four years	12,231
Four to five years	11,690
Total	$ 974,883