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LOANS AND CREDIT QUALITY - Activity in Allowance for Credit Losses by Loan Portfolio (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Accounting Standards Update [Extensible List] |  |  | Accounting Standards Update 2016-13 [Member] | Accounting Standards Update 2016-13 [Member]
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | $ 59,897 | $ 65,000 | $ 64,294 | $ 41,772
Impact of ASC 326 adoption | 54,516 | 64,892 | 54,516 | 64,892
Charge-offs | (470) | (489) | (675) | (938)
Recoveries | 437 | 108 | 761 | 582
Provision | (5,348) | 273 | (9,864) | 21,633
Ending balance | 54,516 | 64,892 | 54,516 | 64,892
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | 1,843
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Real Estate Sector |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 25,544 | 24,347 | 27,935 | 22,535
Impact of ASC 326 adoption | 23,841 | 28,136 | 23,841 | 28,136
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 163
Provision | (1,703) | 3,789 | (4,094) | 6,749
Ending balance | 23,841 | 28,136 | 23,841 | 28,136
Commercial loans | Real Estate Sector | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | (1,311)
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Commercial and Industrial Sector |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 21,392 | 21,457 | 22,037 | 6,554
Impact of ASC 326 adoption | 19,758 | 24,032 | 19,758 | 24,032
Charge-offs | (116) | (447) | (116) | (590)
Recoveries | 24 | 24 | 122 | 72
Provision | (1,542) | 2,998 | (2,285) | 19,945
Ending balance | 19,758 | 24,032 | 19,758 | 24,032
Commercial loans | Commercial and Industrial Sector | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | (1,949)
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Non-owner occupied commercial real estate |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 9,077 | 7,325 | 8,845 | 7,245
Impact of ASC 326 adoption | 9,636 | 8,923 | 9,636 | 8,923
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision | 559 | 1,598 | 791 | 5,070
Ending balance | 9,636 | 8,923 | 9,636 | 8,923
Commercial loans | Non-owner occupied commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | (3,392)
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Multifamily |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 7,245 | 5,387 | 6,072 | 7,015
Impact of ASC 326 adoption | 5,457 | 4,871 | 5,457 | 4,871
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision | (1,788) | (516) | (615) | 833
Ending balance | 5,457 | 4,871 | 5,457 | 4,871
Commercial loans | Multifamily | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | (2,977)
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Multifamily construction |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 500 | 3,811 | 4,903 | 2,848
Impact of ASC 326 adoption | 1,044 | 5,920 | 1,044 | 5,920
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision | 544 | 2,109 | (3,859) | 2,379
Ending balance | 1,044 | 5,920 | 1,044 | 5,920
Commercial loans | Multifamily construction | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | 693
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Commercial real estate construction |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 2,022 | 440 | 1,670 | 624
Impact of ASC 326 adoption | 351 | 1,709 | 351 | 1,709
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision | (1,671) | 1,269 | (1,319) | 1,200
Ending balance | 351 | 1,709 | 351 | 1,709
Commercial loans | Commercial real estate construction | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | (115)
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Single family construction |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 5,653 | 5,869 | 5,130 | 3,800
Impact of ASC 326 adoption | 6,291 | 5,507 | 6,291 | 5,507
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 |  | 0 | 163
Provision | 638 | (362) | 1,161 | (2,736)
Ending balance | 6,291 | 5,507 | 6,291 | 5,507
Commercial loans | Single family construction | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | 4,280
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Single family construction to permanent |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 1,047 | 1,515 | 1,315 | 1,003
Impact of ASC 326 adoption | 1,062 | 1,206 | 1,062 | 1,206
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision | 15 | (309) | (253) | 3
Ending balance | 1,062 | 1,206 | 1,062 | 1,206
Commercial loans | Single family construction to permanent | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | 200
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Owner occupied commercial real estate |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 5,518 | 5,641 | 4,994 | 3,639
Impact of ASC 326 adoption | 5,285 | 5,688 | 5,285 | 5,688
Charge-offs | 0 | 0 |  | 0
Recoveries | 0 | 0 | 0 | 0
Provision | (233) | 47 | 291 | 4,508
Ending balance | 5,285 | 5,688 | 5,285 | 5,688
Commercial loans | Owner occupied commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | (2,459)
Impact of ASC 326 adoption |  |  |  |
Commercial loans | Commercial business |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 15,874 | 15,816 | 17,043 | 2,915
Impact of ASC 326 adoption | 14,473 | 18,344 | 14,473 | 18,344
Charge-offs | (116) | (447) | (116) | (590)
Recoveries | 24 | 24 | 122 | 72
Provision | (1,309) | 2,951 | (2,576) | 15,437
Ending balance | 14,473 | 18,344 | 14,473 | 18,344
Commercial loans | Commercial business | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | 510
Impact of ASC 326 adoption |  |  |  |
Consumer loans |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 12,961 | 19,196 | 14,322 | 12,683
Impact of ASC 326 adoption | 10,917 | 12,724 | 10,917 | 12,724
Charge-offs | (354) | (42) | (559) | (348)
Recoveries | 413 | 84 | 639 | 347
Provision | (2,103) | (6,514) | (3,485) | (5,061)
Ending balance | 10,917 | 12,724 | 10,917 | 12,724
Consumer loans | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | 5,103
Impact of ASC 326 adoption |  |  |  |
Consumer loans | Single family |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 7,163 | 8,070 | 6,906 | 6,450
Impact of ASC 326 adoption | 5,757 | 6,720 | 5,757 | 6,720
Charge-offs | (13) | (3) | (127) | (3)
Recoveries | 33 | 2 | 155 | 56
Provision | (1,426) | (1,349) | (1,177) | (251)
Ending balance | 5,757 | 6,720 | 5,757 | 6,720
Consumer loans | Single family | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | 468
Impact of ASC 326 adoption |  |  |  |
Consumer loans | Home equity and other |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance | 5,798 | 11,126 | 7,416 | 6,233
Impact of ASC 326 adoption | 5,160 | 6,004 | 5,160 | 6,004
Charge-offs | (341) | (39) | (432) | (345)
Recoveries | 380 | 82 | 484 | 291
Provision | (677) | (5,165) | (2,308) | (4,810)
Ending balance | $ 5,160 | $ 6,004 | $ 5,160 | 6,004
Consumer loans | Home equity and other | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Allowance for credit losses by loan portfolio |  |  |  |
Beginning balance |  |  |  | $ 4,635
Impact of ASC 326 adoption |  |  |  |

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