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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	Mar. 31, 2025	Dec. 31, 2024
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL	$ 8,851	$ 223
Nonaccrual without ACL	1,439	78
Totals	4,020,076	3,868,514
Current
Aging of the recorded investment in past due loans by loan segment
Totals	4,009,320	3,866,922
30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals	466	1,291
Commercial
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL	168	171
Totals	528,801	497,662
Commercial | Current
Aging of the recorded investment in past due loans by loan segment
Totals	528,440	497,432
Commercial | 30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals	193	59
Leases
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL	34	34
Totals	43,958	44,291
Leases | Current
Aging of the recorded investment in past due loans by loan segment
Totals	43,924	44,257
Construction and Land Development
Aging of the recorded investment in past due loans by loan segment
Nonaccrual without ACL	52	58
Totals	128,073	97,255
Construction and Land Development | Current
Aging of the recorded investment in past due loans by loan segment
Totals	128,021	97,197
1-4 Family Construction
Aging of the recorded investment in past due loans by loan segment
Totals	39,438	41,961
1-4 Family Construction | Current
Aging of the recorded investment in past due loans by loan segment
Totals	39,438	41,961
1-4 Family Mortgage
Aging of the recorded investment in past due loans by loan segment
Nonaccrual without ACL	355	20
Totals	479,461	474,383
1-4 Family Mortgage | Current
Aging of the recorded investment in past due loans by loan segment
Totals	478,833	474,185
1-4 Family Mortgage | 30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals	273	178
Multifamily
Aging of the recorded investment in past due loans by loan segment
Nonaccrual without ACL	1,032
Totals	1,534,747	1,425,610
Multifamily | Current
Aging of the recorded investment in past due loans by loan segment
Totals	1,533,715	1,425,610
CRE Owner Occupied
Aging of the recorded investment in past due loans by loan segment
Totals	196,080	191,248
CRE Owner Occupied | Current
Aging of the recorded investment in past due loans by loan segment
Totals	196,080	190,197
CRE Owner Occupied | 30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals		1,051
CRE Nonowner Occupied
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL	8,649
Totals	1,055,157	1,083,108
CRE Nonowner Occupied | Current
Aging of the recorded investment in past due loans by loan segment
Totals	1,046,508	1,083,108
Consumer and Other
Aging of the recorded investment in past due loans by loan segment
Nonaccrual with ACL		18
Totals	14,361	12,996
Consumer and Other | Current
Aging of the recorded investment in past due loans by loan segment
Totals	$ 14,361	12,975
Consumer and Other | 30-89 Days Past Due
Aging of the recorded investment in past due loans by loan segment
Totals		$ 3

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