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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Credit Quality By Past Due Status (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Aged analysis of the company's loans |  |
Total Loans | $ 10,421,141 | $ 10,432,365
Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 10,421,141 | 10,432,365
Nonaccrual | 69,051 | 66,387
Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 59,238 | 55,946
Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 5,928 | 7,000
Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 134,217 | 129,333
Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 10,286,924 | 10,303,032
CRE - multifamily |  |
Aged analysis of the company's loans |  |
Total Loans | 801,785 | 724,114
CRE - owner occupied |  |
Aged analysis of the company's loans |  |
Total Loans | 858,521 | 864,783
CRE - non-owner occupied |  |
Aged analysis of the company's loans |  |
Total Loans | 1,700,913 | 1,775,099
Commercial & industrial and other business loans |  |
Aged analysis of the company's loans |  |
Total Loans | 1,178,783 | 1,141,182
Business lending |  |
Aged analysis of the company's loans |  |
Total Loans | 4,540,002 | 4,505,178
Business lending loans | 250,000 |
Consumer mortgage |  |
Aged analysis of the company's loans |  |
Total Loans | 3,504,151 | 3,489,780
Consumer indirect |  |
Aged analysis of the company's loans |  |
Total Loans | 1,707,938 | 1,767,655
Consumer direct |  |
Aged analysis of the company's loans |  |
Total Loans | 187,802 | 192,327
Home equity |  |
Aged analysis of the company's loans |  |
Total Loans | 481,248 | 477,425
Commercial Portfolio Segment | CRE - multifamily |  |
Aged analysis of the company's loans |  |
Total Loans | 801,785 | 724,114
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 801,785 | 724,114
Nonaccrual | 12,500 | 12,316
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 1,025 | 184
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 0 | 0
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 13,525 | 12,500
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 788,260 | 711,614
Commercial Portfolio Segment | CRE - owner occupied |  |
Aged analysis of the company's loans |  |
Total Loans | 858,521 | 864,783
Commercial Portfolio Segment | CRE - non-owner occupied |  |
Aged analysis of the company's loans |  |
Total Loans | 1,700,913 | 1,775,099
Commercial Portfolio Segment | Commercial & industrial and other business loans |  |
Aged analysis of the company's loans |  |
Total Loans | 1,178,783 | 1,141,182
Residential Portfolio Segment | CRE - owner occupied | Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 858,521 | 864,783
Nonaccrual | 6,844 | 7,695
Residential Portfolio Segment | CRE - owner occupied | Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 1,021 | 690
Residential Portfolio Segment | CRE - owner occupied | Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 0 | 0
Residential Portfolio Segment | CRE - owner occupied | Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 7,865 | 8,385
Residential Portfolio Segment | CRE - owner occupied | Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 850,656 | 856,398
Residential Portfolio Segment | Consumer mortgage |  |
Aged analysis of the company's loans |  |
Total Loans | 3,504,151 | 3,489,780
Residential Portfolio Segment | Consumer mortgage | Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 3,504,151 | 3,489,780
Nonaccrual | 25,827 | 24,389
Residential Portfolio Segment | Consumer mortgage | Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 20,927 | 24,928
Residential Portfolio Segment | Consumer mortgage | Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 4,548 | 5,288
Residential Portfolio Segment | Consumer mortgage | Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 51,302 | 54,605
Residential Portfolio Segment | Consumer mortgage | Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 3,452,849 | 3,435,175
Residential Portfolio Segment | Home equity | Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 481,248 | 477,425
Nonaccrual | 2,152 | 2,039
Residential Portfolio Segment | Home equity | Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 2,601 | 2,739
Residential Portfolio Segment | Home equity | Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 462 | 379
Residential Portfolio Segment | Home equity | Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 5,215 | 5,157
Residential Portfolio Segment | Home equity | Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 476,033 | 472,268
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 1,700,913 | 1,775,099
Nonaccrual | 11,884 | 11,826
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 10,380 | 447
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 0 | 0
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 22,264 | 12,273
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 1,678,649 | 1,762,826
Consumer Portfolio Segment | Commercial & industrial and other business loans | Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 1,178,783 | 1,141,182
Nonaccrual | 9,844 | 8,122
Consumer Portfolio Segment | Commercial & industrial and other business loans | Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 3,287 | 2,832
Consumer Portfolio Segment | Commercial & industrial and other business loans | Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 0 | 0
Consumer Portfolio Segment | Commercial & industrial and other business loans | Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 13,131 | 10,954
Consumer Portfolio Segment | Commercial & industrial and other business loans | Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 1,165,652 | 1,130,228
Consumer Portfolio Segment | Consumer indirect |  |
Aged analysis of the company's loans |  |
Total Loans | 1,707,938 | 1,767,655
Consumer Portfolio Segment | Consumer indirect | Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 1,707,938 | 1,767,655
Nonaccrual | 0 | 0
Consumer Portfolio Segment | Consumer indirect | Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 18,426 | 22,379
Consumer Portfolio Segment | Consumer indirect | Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 756 | 1,227
Consumer Portfolio Segment | Consumer indirect | Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 19,182 | 23,606
Consumer Portfolio Segment | Consumer indirect | Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 1,688,756 | 1,744,049
Consumer Portfolio Segment | Consumer direct |  |
Aged analysis of the company's loans |  |
Total Loans | 187,802 | 192,327
Consumer Portfolio Segment | Consumer direct | Legacy Loan |  |
Aged analysis of the company's loans |  |
Total Loans | 187,802 | 192,327
Nonaccrual | 0 | 0
Consumer Portfolio Segment | Consumer direct | Legacy Loan | Past Due 30 - 89 Days |  |
Aged analysis of the company's loans |  |
Total Loans | 1,571 | 1,747
Consumer Portfolio Segment | Consumer direct | Legacy Loan | 90+ Days Past Due and Still Accruing |  |
Aged analysis of the company's loans |  |
Total Loans | 162 | 106
Consumer Portfolio Segment | Consumer direct | Legacy Loan | Financial Asset, Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 1,733 | 1,853
Consumer Portfolio Segment | Consumer direct | Legacy Loan | Financial Asset, Not Past Due |  |
Aged analysis of the company's loans |  |
Total Loans | 186,069 | 190,474
Consumer Portfolio Segment | Home equity |  |
Aged analysis of the company's loans |  |
Total Loans | $ 481,248 | $ 477,425

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