Goodwill and Other Intangible Assets - Schedule of Gross Carrying Amounts and Accumulated Amortization of Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 196,132	$ 226,885
Accumulated Amortization and Impairment	(81,973)	(100,480)
Net Carrying Amount	114,159	126,405
Core deposit
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	143,511	170,642
Accumulated Amortization and Impairment	(63,521)	(80,951)
Net Carrying Amount	79,990	89,691
Customer trust relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	52,621	56,243
Accumulated Amortization and Impairment	(18,452)	(19,529)
Net Carrying Amount	$ 34,169	$ 36,714