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LOANS HELD FOR INVESTMENT, NET - Modified as TDRs (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 USD ($) loan | Dec. 31, 2020 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Modifications recorded investment | $ 514 | $ 0
Number of Loans | loan | 2 |
Pre-Modification Outstanding Recorded Investment | $ 506 |
Post-Modification Outstanding Recorded Investment | $ 506 |
One- to-Four Family Residential, Including Condominium and Cooperative Apartment [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Number of Loans | loan | 1 |
Pre-Modification Outstanding Recorded Investment | $ 50 |
Post-Modification Outstanding Recorded Investment | $ 50 |
Commercial and industrial ("C&I") loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Number of Loans | loan | 1 |
Pre-Modification Outstanding Recorded Investment | $ 456 |
Post-Modification Outstanding Recorded Investment | $ 456 |

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 + Details
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