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LOANS HELD FOR INVESTMENT, NET - Allowance for Credit Losses Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | $ 98,200 | $ 36,463 | $ 41,461 | $ 28,441 |
PCD Day 1 |  |  | 52,284 |  |
Provision (credit) for credit loss expense | (4,523) | 6,060 | 8,126 | 14,072 |
Charge-offs | (1,033) | (36) | (5,308) | (42) |
Recoveries | 116 | 5 | 116 | 21 |
Ending balance | 92,760 | 42,492 | 92,760 | 42,492 |
Non-accrual with No Allowance | 35 |  | 35 |  |
Non-accrual with Allowance | 28,251 |  | 28,251 |  |
Reserve |  |  | 10,482 |  |
Interest income on non-accrual loans | 0 |  | 0 |  |
Allowance for loan losses: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | $ 6,474
Collectively evaluated for impairment |  |  |  |  | 34,987
Total ending allowance balance | 92,760 | 42,492 | 92,760 | 42,492 | 41,461
Loans: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 17,069
Collectively evaluated for impairment |  |  |  |  | 5,604,975
Total ending loans balance |  |  |  |  | 5,622,044
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | (3,919) |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | (3,919)
Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 37,542 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 37,542
One- to-Four Family Residential, Including Condominium and Cooperative Apartment [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Non-accrual with Allowance | 4,933 |  | 4,933 |  |
Reserve |  |  | 665 |  |
Commercial Real Estate and Commercial Mixed-Use [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Non-accrual with No Allowance | 35 |  | 35 |  |
Non-accrual with Allowance | 9,117 |  | 9,117 |  |
Reserve |  |  | 2,663 |  |
Real estate |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 64,290 | 22,935 | 28,712 | 15,555 |
PCD Day 1 |  |  | 28,753 |  |
Provision (credit) for credit loss expense | (1,545) | 6,074 | 7,514 | 13,446 |
Charge-offs | (583) | (36) | (841) | (42) |
Recoveries | 4 | 0 | 4 | 14 |
Ending balance | 62,166 | 28,973 | 62,166 | 28,973 |
Allowance for loan losses: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 28,712
Total ending allowance balance | 62,166 | 28,973 | 62,166 | 28,973 | 28,712
Loans: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 4,567
Collectively evaluated for impairment |  |  |  |  | 4,973,628
Total ending loans balance |  |  |  |  | 4,978,195
Real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | (1,976) |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | (1,976)
Real estate | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 26,736 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 26,736
Real estate | One- to-Four Family Residential, Including Condominium and Cooperative Apartment [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 5,133 | 645 | 644 | 269 |
PCD Day 1 |  |  | 2,220 |  |
Provision (credit) for credit loss expense | 394 | 30 | 1,629 | 406 |
Charge-offs | (5) | (4) | (19) | (4) |
Recoveries |  | 0 |  |  |
Ending balance | 5,522 | 671 | 5,522 | 671 |
Allowance for loan losses: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 644
Total ending allowance balance | 5,522 | 671 | 5,522 | 671 | 644
Loans: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 184,989
Total ending loans balance |  |  |  |  | 184,989
Real estate | One- to-Four Family Residential, Including Condominium and Cooperative Apartment [Member] | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 1,048 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 1,048
Real estate | One- to-Four Family Residential, Including Condominium and Cooperative Apartment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 1,692 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 1,692
Real estate | Multifamily Residential and Residential Mixed-Use [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 10,421 | 14,283 | 17,016 | 10,142 |
PCD Day 1 |  |  | 3,292 |  |
Provision (credit) for credit loss expense | 34 | 2,415 | (1,363) | 6,542 |
Charge-offs | (173) | (32) | (409) | (32) |
Recoveries | 3 | 0 | 3 | 14 |
Ending balance | 10,285 | 16,666 | 10,285 | 16,666 |
Allowance for loan losses: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 17,016
Total ending allowance balance | 10,285 | 16,666 | 10,285 | 16,666 | 17,016
Loans: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 1,863
Collectively evaluated for impairment |  |  |  |  | 2,756,880
Total ending loans balance |  |  |  |  | 2,758,743
Real estate | Multifamily Residential and Residential Mixed-Use [Member] | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | (8,254) |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | (8,254)
Real estate | Multifamily Residential and Residential Mixed-Use [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 8,762 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 8,762
Real estate | Commercial Real Estate and Commercial Mixed-Use [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 44,837 | 6,336 | 9,059 | 3,900 |
PCD Day 1 |  |  | 23,124 |  |
Provision (credit) for credit loss expense | (3,232) | 3,523 | 4,581 | 5,965 |
Charge-offs | (405) | 0 | (413) | (6) |
Recoveries | 1 | 0 | 1 |  |
Ending balance | 41,201 | 9,859 | 41,201 | 9,859 |
Allowance for loan losses: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 9,059
Total ending allowance balance | 41,201 | 9,859 | 41,201 | 9,859 | 9,059
Loans: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 2,704
Collectively evaluated for impairment |  |  |  |  | 1,875,463
Total ending loans balance |  |  |  |  | 1,878,167
Real estate | Commercial Real Estate and Commercial Mixed-Use [Member] | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 4,849 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 4,849
Real estate | Commercial Real Estate and Commercial Mixed-Use [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 13,908 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 13,908
Real estate | ADC [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 3,899 | 1,671 | 1,993 | 1,244 |
PCD Day 1 |  |  | 117 |  |
Provision (credit) for credit loss expense | 1,259 | 106 | 2,667 | 533 |
Charge-offs | 0 | 0 |  |  |
Recoveries |  | 0 |  |  |
Ending balance | 5,158 | 1,777 | 5,158 | 1,777 |
Allowance for loan losses: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,993
Total ending allowance balance | 5,158 | 1,777 | 5,158 | 1,777 | 1,993
Loans: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 156,296
Total ending loans balance |  |  |  |  | 156,296
Real estate | ADC [Member] | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 381 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 381
Real estate | ADC [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 2,374 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 2,374
Commercial and industrial ("C&I") loans |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  | 13,513 | 12,737 | 12,870 |
PCD Day 1 |  |  | 23,374 |  |
Provision (credit) for credit loss expense |  | (16) | 272 | 625 |
Charge-offs |  | 0 | (4,462) |  |
Recoveries |  | 5 | 109 | 7 |
Ending balance | 30,095 | 13,502 | 30,095 | 13,502 |
Allowance for loan losses: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 6,474
Collectively evaluated for impairment |  |  |  |  | 6,263
Total ending allowance balance | 30,095 | 13,502 | 30,095 | 13,502 | 12,737
Loans: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 12,502
Collectively evaluated for impairment |  |  |  |  | 629,031
Total ending loans balance |  |  |  |  | 641,533
Commercial and industrial ("C&I") loans | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | (1,935) |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | (1,935)
Commercial and industrial ("C&I") loans | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 10,802 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | 10,802
Commercial and industrial ("C&I"), including SBA and PPP loans |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 33,378 |  |  |  |
Provision (credit) for credit loss expense | (2,947) |  |  |  |
Charge-offs | (445) |  |  |  |
Recoveries | 109 |  |  |  |
Ending balance | 30,095 |  | 30,095 |  |
Non-accrual with Allowance | 14,109 |  | 14,109 |  |
Reserve |  |  | 7,096 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance | 30,095 |  | 30,095 |  |
Other loans |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 532 | 15 | 12 | 16 |
PCD Day 1 |  |  | 157 |  |
Provision (credit) for credit loss expense | (31) | 2 | 340 | 1 |
Charge-offs | (5) | 0 | (5) |  |
Recoveries | 3 | 0 | 3 |  |
Ending balance | 499 | 17 | 499 | 17 |
Non-accrual with Allowance | 92 |  | 92 |  |
Reserve |  |  | 58 |  |
Allowance for loan losses: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 12
Total ending allowance balance | $ 499 | $ 17 | 499 | $ 17 | 12
Loans: |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0
Collectively evaluated for impairment |  |  |  |  | 2,316
Total ending loans balance |  |  |  |  | 2,316
Other loans | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | (8) |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | (8)
Other loans | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance |  |  | $ 4 |  |
Allowance for loan losses: |  |  |  |  |
Total ending allowance balance |  |  |  |  | $ 4

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