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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Credit Quality By Past Due Status (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Aged analysis of the company's loans |  |  |
Total Loans | $ 9,883,500 |  | $ 9,704,598
Interest income on nonaccrual loans | 0 | $ 0 |
Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 9,883,500 |  | 9,704,598
Nonaccrual | 44,904 |  | 48,687
Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 42,131 |  | 48,442
Legacy Loan | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 4,554 |  | 5,886
Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 91,589 |  | 103,015
Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 9,791,911 |  | 9,601,583
CRE - multifamily |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 658,278 |  | 619,794
CRE - owner occupied |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 777,302 |  | 752,774
CRE - non-owner occupied |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,750,038 |  | 1,711,198
Nonaccrual | 13,368 |  |
CRE - non-owner occupied | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 247 |  |
CRE - non-owner occupied | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 0 |  |
CRE - non-owner occupied | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 13,615 |  |
CRE - non-owner occupied | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,736,423 |  |
Commercial & industrial and other business loans |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,034,581 |  | 1,000,630
Nonaccrual | 647 |  |
Commercial & industrial and other business loans | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,402 |  |
Commercial & industrial and other business loans | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 0 |  |
Commercial & industrial and other business loans | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 2,049 |  |
Commercial & industrial and other business loans | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,032,532 |  |
Business lending |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 4,220,199 |  | 4,084,396
Consumer mortgage |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 3,317,467 |  | 3,285,018
Nonaccrual | 27,066 |  |
Consumer mortgage | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 17,265 |  |
Consumer mortgage | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 3,115 |  |
Consumer mortgage | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 47,446 |  |
Consumer mortgage | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 3,270,021 |  |
Consumer indirect |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,716,028 |  | 1,703,440
Consumer direct |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 183,750 |  | 185,229
Home equity |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 446,056 |  | 446,515
Commercial Portfolio Segment | CRE - multifamily |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 658,278 |  | 619,794
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 658,278 |  |
Nonaccrual | 0 |  |
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 0 |  |
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 0 |  |
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 0 |  |
Commercial Portfolio Segment | CRE - multifamily | Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 658,278 |  |
Commercial Portfolio Segment | CRE - owner occupied |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 777,302 |  | 752,774
Commercial Portfolio Segment | CRE - non-owner occupied |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,750,038 |  | 1,711,198
Commercial Portfolio Segment | Commercial & industrial and other business loans |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,034,581 |  | 1,000,630
Commercial Portfolio Segment | Business lending | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 619,794
Nonaccrual |  |  | 0
Commercial Portfolio Segment | Business lending | Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 0
Commercial Portfolio Segment | Business lending | Legacy Loan | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 0
Commercial Portfolio Segment | Business lending | Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 0
Commercial Portfolio Segment | Business lending | Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 619,794
Residential Portfolio Segment | CRE - owner occupied | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 777,302 |  | 752,774
Nonaccrual | 1,536 |  | 1,953
Residential Portfolio Segment | CRE - owner occupied | Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,602 |  | 1,477
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 | 3,138 |  | 3,430
Residential Portfolio Segment | CRE - owner occupied | Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 774,164 |  | 749,344
Residential Portfolio Segment | Consumer mortgage |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 3,317,467 |  | 3,285,018
Residential Portfolio Segment | Consumer mortgage | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 3,285,018
Nonaccrual |  |  | 26,043
Residential Portfolio Segment | Consumer mortgage | Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 18,434
Residential Portfolio Segment | Consumer mortgage | Legacy Loan | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 4,559
Residential Portfolio Segment | Consumer mortgage | Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 49,036
Residential Portfolio Segment | Consumer mortgage | Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 3,235,982
Residential Portfolio Segment | Home equity | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 446,056 |  | 446,515
Nonaccrual | 2,266 |  | 2,368
Residential Portfolio Segment | Home equity | Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 3,848 |  | 3,546
Residential Portfolio Segment | Home equity | Legacy Loan | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 502 |  | 416
Residential Portfolio Segment | Home equity | Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 6,616 |  | 6,330
Residential Portfolio Segment | Home equity | Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 439,440 |  | 440,185
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 1,711,198
Nonaccrual |  |  | 17,964
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 2,311
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
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 20,275
Consumer Portfolio Segment | CRE - non-owner occupied | Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 1,690,923
Consumer Portfolio Segment | Commercial & industrial and other business loans | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 1,000,630
Nonaccrual |  |  | 336
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 |  |  | 880
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
Consumer Portfolio Segment | Commercial & industrial and other business loans | Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans |  |  | 1,216
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 |  |  | 999,414
Consumer Portfolio Segment | Consumer indirect |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,716,028 |  | 1,703,440
Consumer Portfolio Segment | Consumer indirect | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,716,028 |  | 1,703,440
Nonaccrual | 0 |  | 0
Consumer Portfolio Segment | Consumer indirect | Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 16,604 |  | 20,215
Consumer Portfolio Segment | Consumer indirect | Legacy Loan | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 865 |  | 776
Consumer Portfolio Segment | Consumer indirect | Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 17,469 |  | 20,991
Consumer Portfolio Segment | Consumer indirect | Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,698,559 |  | 1,682,449
Consumer Portfolio Segment | Consumer direct |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 183,750 |  | 185,229
Consumer Portfolio Segment | Consumer direct | Legacy Loan |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 183,750 |  | 185,229
Nonaccrual | 21 |  | 23
Consumer Portfolio Segment | Consumer direct | Legacy Loan | Past Due 30 - 89 Days |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,163 |  | 1,579
Consumer Portfolio Segment | Consumer direct | Legacy Loan | 90+ Days Past Due and Still Accruing |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 72 |  | 135
Consumer Portfolio Segment | Consumer direct | Legacy Loan | Financial Asset, Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 1,256 |  | 1,737
Consumer Portfolio Segment | Consumer direct | Legacy Loan | Financial Asset, Not Past Due |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | 182,494 |  | 183,492
Consumer Portfolio Segment | Home equity |  |  |
Aged analysis of the company's loans |  |  |
Total Loans | $ 446,056 |  | $ 446,515

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