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Loans and Allowance for Credit Losses - Aging in past due loans and nonaccrual status, with and without an ACL, by loan segment (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL	$ 9,899	$ 223
Nonaccrual without ACL	92	78
Totals	4,214,554	3,868,514
Current
Aging of the recorded investment in past due loans by loan segment
Totals	4,201,657	3,866,922
30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals	2,906	1,291
Commercial
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL	1,250	171
Nonaccrual without ACL	33
Totals	533,476	497,662
Commercial | Current
Aging of the recorded investment in past due loans by loan segment
Totals	532,193	497,432
Commercial | 30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals		59
Leases
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL		34
Nonaccrual without ACL	19
Totals	43,186	44,291
Leases | Current
Aging of the recorded investment in past due loans by loan segment
Totals	43,167	44,257
Construction and Land Development
Aging of the recorded investment in past due loans by loan segment
Nonaccrual without ACL	40	58
Totals	159,991	97,255
Construction and Land Development | Current
Aging of the recorded investment in past due loans by loan segment
Totals	159,951	97,197
1-4 Family Construction
Aging of the recorded investment in past due loans by loan segment
Totals	41,739	41,961
1-4 Family Construction | Current
Aging of the recorded investment in past due loans by loan segment
Totals	41,739	41,961
1-4 Family Mortgage
Aging of the recorded investment in past due loans by loan segment
Nonaccrual without ACL		20
Totals	487,297	474,383
1-4 Family Mortgage | Current
Aging of the recorded investment in past due loans by loan segment
Totals	486,980	474,185
1-4 Family Mortgage | 30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals	317	178
Multifamily
Aging of the recorded investment in past due loans by loan segment
Totals	1,578,223	1,425,610
Multifamily | Current
Aging of the recorded investment in past due loans by loan segment
Totals	1,578,223	1,425,610
CRE Owner Occupied
Aging of the recorded investment in past due loans by loan segment
Totals	192,966	191,248
CRE Owner Occupied | Current
Aging of the recorded investment in past due loans by loan segment
Totals	191,218	190,197
CRE Owner Occupied | 30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals	1,748	1,051
CRE Nonowner Occupied
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL	8,649
Totals	1,158,622	1,083,108
CRE Nonowner Occupied | Current
Aging of the recorded investment in past due loans by loan segment
Totals	1,149,973	1,083,108
Consumer and Other
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL		18
Totals	19,054	12,996
Consumer and Other | Current
Aging of the recorded investment in past due loans by loan segment
Totals	18,213	12,975
Consumer and Other | 30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals	$ 841	$ 3

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