Derivatives and Hedging Activities - Schedule of Balance Sheet Category and Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Derivatives designated as hedging instruments:
Derivatives in an asset position:
Notional Amount	$ 0	$ 300,000
Fair Value	0	60
Derivatives in a liability position:
Notional Amount	990,000	390,000
Fair Value	27,234	927
Derivatives not designated as hedging instruments:
Derivatives in an asset position:
Notional Amount	976,378	1,108,009
Fair Value	45,333	24,332
Derivatives in a liability position:
Notional Amount	1,966,378	1,198,009
Fair Value	70,496	23,942
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets | Cash flow hedges | Derivatives designated as hedging instruments:
Derivatives in an asset position:
Notional Amount	0	300,000
Fair Value	0	60
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets | Interest rate swaps related to customer loans | Derivatives not designated as hedging instruments:
Derivatives in an asset position:
Notional Amount	976,378	808,009
Fair Value	45,333	24,272
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilities | Cash flow hedges | Derivatives designated as hedging instruments:
Derivatives in a liability position:
Notional Amount	600,000	0
Fair Value	13,689	0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilities | Fair value hedges | Derivatives designated as hedging instruments:
Derivatives in a liability position:
Notional Amount	390,000	390,000
Fair Value	13,545	927
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilities | Interest rate swaps related to customer loans | Derivatives not designated as hedging instruments:
Derivatives in a liability position:
Notional Amount	976,378	808,009
Fair Value	$ 43,262	$ 23,015