v3.25.2
BUSINESS SEGMENTS (Results of Operations and Selected Financial Information) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Interest income $ 194,347 $ 187,658 $ 383,569 $ 371,084  
Interest expense (42,419) (40,333) (82,570) (79,657)  
Net interest income 151,928 147,325 300,999 291,427  
(Provision for) recapture of credit losses/loan and lease losses, net (21,678) (15,581) (47,366) (30,702)  
Non-interest income, net 30,431 32,476 59,948 62,824  
Non-interest expense:          
Compensation and employee benefits (39,565) (38,467) (79,497) (78,283)  
Occupancy, equipment and infrastructure costs (9,544) (9,079) (19,278) (18,115)  
Depreciation and amortization of premises and equipment (5,085) (5,314) (10,171) (10,600)  
Electronic banking charges (12,276) (11,687) (21,946) (22,053)  
Information technology expenses (6,678) (6,565) (12,966) (13,168)  
Professional and service fees (4,813) (5,117) (9,931) (9,121)  
Loan servicing and clearing expenses (2,172) (1,890) (4,406) (4,000)  
Amortization of other intangibles assets (289) (346) (577) (692)  
Intersegment expenses 0 0 0 0  
Other (14,380) (14,495) (29,482) (28,340)  
Total non-interest expense (94,802) (92,960) (188,254) (184,372)  
Income before income taxes 65,879 71,260 125,327 139,177  
Income tax expense (14,078) (20,129) (27,954) (38,354)  
Net income 51,801 51,131 97,373 100,823  
Total assets 12,231,510 11,259,085 12,231,510 11,259,085 $ 11,500,734
Expenditures for long-lived assets 4,149 4,717 8,499 10,903  
Total          
Segment Reporting Information [Line Items]          
Interest income 195,759 188,614 386,224 373,115  
Interest expense (43,831) (41,289) (85,225) (81,688)  
Net interest income 151,928 147,325 300,999 291,427  
(Provision for) recapture of credit losses/loan and lease losses, net (21,678) (15,581) (47,366) (30,702)  
Non-interest income, net 30,431 32,476 59,948 62,824  
Non-interest expense:          
Compensation and employee benefits (39,565) (38,467) (79,497) (78,283)  
Occupancy, equipment and infrastructure costs (9,544) (9,079) (19,278) (18,115)  
Depreciation and amortization of premises and equipment (5,085) (5,314) (10,171) (10,600)  
Electronic banking charges (12,276) (11,687) (21,946) (22,053)  
Information technology expenses (6,678) (6,565) (12,966) (13,168)  
Professional and service fees (4,813) (5,117) (9,931) (9,121)  
Loan servicing and clearing expenses (2,172) (1,890) (4,406) (4,000)  
Amortization of other intangibles assets (289) (346) (577) (692)  
Intersegment expenses 0 0 0 0  
Other (14,380) (14,495) (29,482) (28,340)  
Total non-interest expense (94,802) (92,960) (188,254) (184,372)  
Income before income taxes 65,879 71,260 125,327 139,177  
Income tax expense (14,078) (20,129) (27,954) (38,354)  
Net income 51,801 51,131 97,373 100,823  
Total assets 13,517,666 12,452,738 13,517,666 12,452,738  
Expenditures for long-lived assets 4,149 4,717 8,499 10,903  
Total | Banking          
Segment Reporting Information [Line Items]          
Interest income 158,778 155,681 313,805 306,676  
Interest expense (35,426) (37,654) (69,956) (73,503)  
Net interest income 123,352 118,027 243,849 233,173  
(Provision for) recapture of credit losses/loan and lease losses, net (21,678) (15,589) (47,368) (30,814)  
Non-interest income, net 21,300 24,723 42,000 47,788  
Non-interest expense:          
Compensation and employee benefits (36,962) (35,903) (73,748) (73,188)  
Occupancy, equipment and infrastructure costs (9,335) (8,865) (18,875) (17,700)  
Depreciation and amortization of premises and equipment (5,068) (5,304) (10,136) (10,580)  
Electronic banking charges (12,276) (11,687) (21,946) (22,053)  
Information technology expenses (6,636) (6,543) (12,875) (13,099)  
Professional and service fees (3,935) (4,174) (8,358) (7,434)  
Loan servicing and clearing expenses (1,705) (1,504) (3,281) (2,947)  
Amortization of other intangibles assets (289) (346) (577) (692)  
Intersegment expenses 975 415 1,805 839  
Other (13,866) (13,185) (28,465) (25,808)  
Total non-interest expense (89,097) (87,096) (176,456) (172,662)  
Income before income taxes 33,877 40,065 62,025 77,485  
Income tax expense (14,037) (20,096) (27,845) (38,262)  
Net income 19,840 19,969 34,180 39,223  
Total assets 10,007,703 9,360,801 10,007,703 9,360,801  
Expenditures for long-lived assets 4,149 4,717 8,498 10,903  
Total | Wealth Management          
Segment Reporting Information [Line Items]          
Interest income 6 4 11 13  
Interest expense 0 0 0 0  
Net interest income 6 4 11 13  
(Provision for) recapture of credit losses/loan and lease losses, net 0 0 0 0  
Non-interest income, net 9,129 7,654 17,946 15,029  
Non-interest expense:          
Compensation and employee benefits (2,320) (2,320) (5,191) (4,590)  
Occupancy, equipment and infrastructure costs (191) (182) (369) (350)  
Depreciation and amortization of premises and equipment (12) (5) (25) (10)  
Electronic banking charges 0 0 0 0  
Information technology expenses (42) (22) (97) (69)  
Professional and service fees (825) (899) (1,467) (1,578)  
Loan servicing and clearing expenses (337) (277) (927) (804)  
Amortization of other intangibles assets 0 0 0 0  
Intersegment expenses (570) (243) (1,090) (510)  
Other (390) (913) (763) (1,739)  
Total non-interest expense (4,687) (4,861) (9,929) (9,650)  
Income before income taxes 4,448 2,797 8,028 5,392  
Income tax expense 0 5 (17) (8)  
Net income 4,448 2,802 8,011 5,384  
Total assets 40,323 36,217 40,323 36,217  
Expenditures for long-lived assets 0 0 1 0  
Total | Treasury          
Segment Reporting Information [Line Items]          
Interest income 36,975 32,929 72,408 66,426  
Interest expense (8,405) (3,635) (15,269) (8,185)  
Net interest income 28,570 29,294 57,139 58,241  
(Provision for) recapture of credit losses/loan and lease losses, net 0 8 2 112  
Non-interest income, net 2 99 2 7  
Non-interest expense:          
Compensation and employee benefits (283) (244) (558) (505)  
Occupancy, equipment and infrastructure costs (18) (32) (34) (65)  
Depreciation and amortization of premises and equipment (5) (5) (10) (10)  
Electronic banking charges 0 0 0 0  
Information technology expenses 0 0 6 0  
Professional and service fees (53) (44) (106) (109)  
Loan servicing and clearing expenses (130) (109) (198) (249)  
Amortization of other intangibles assets 0 0 0 0  
Intersegment expenses (405) (172) (715) (329)  
Other (124) (397) (254) (793)  
Total non-interest expense (1,018) (1,003) (1,869) (2,060)  
Income before income taxes 27,554 28,398 55,274 56,300  
Income tax expense (41) (38) (92) (84)  
Net income 27,513 28,360 55,182 56,216  
Total assets 3,469,640 3,055,720 3,469,640 3,055,720  
Expenditures for long-lived assets 0 0 0 0  
Eliminations          
Segment Reporting Information [Line Items]          
Interest income (1,412) (956) (2,655) (2,031)  
Interest expense 1,412 956 2,655 2,031  
Net interest income 0 0 0 0  
(Provision for) recapture of credit losses/loan and lease losses, net 0 0 0 0  
Non-interest income, net 0 0 0 0  
Non-interest expense:          
Compensation and employee benefits 0 0 0 0  
Occupancy, equipment and infrastructure costs 0 0 0 0  
Depreciation and amortization of premises and equipment 0 0 0 0  
Electronic banking charges 0 0 0 0  
Information technology expenses 0 0 0 0  
Professional and service fees 0 0 0 0  
Loan servicing and clearing expenses 0 0 0 0  
Amortization of other intangibles assets 0 0 0 0  
Intersegment expenses 0 0 0 0  
Other 0 0 0 0  
Total non-interest expense 0 0 0 0  
Income before income taxes 0 0 0 0  
Income tax expense 0 0 0 0  
Net income 0 0 0 0  
Total assets (1,286,156) (1,193,653) (1,286,156) (1,193,653)  
Expenditures for long-lived assets $ 0 $ 0 $ 0 $ 0