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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Allowance for Credit Losses & Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Jan. 01, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Stockholders' equity |  | $ (215,309) | $ (195,241) |  | $ (166,388)
Allowance for credit losses on unfunded commitments |  | 21,388 | 22,517 |  | 19,659
Unfunded Loan Commitment |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit losses on unfunded commitments |  | 842 | 919 |  | 0
Retained Earnings |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Stockholders' equity |  | $ (247,705) | (229,930) | $ 1,100 | (211,859)
Cumulative effect adjustment for the adoption of ASC-326 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Stockholders' equity | [1] |  |  |  | 1,076
Allowance for credit losses on unfunded commitments |  |  |  |  | 374
Cumulative effect adjustment for the adoption of ASC-326 | Unfunded Loan Commitment |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit losses on unfunded commitments |  |  | $ 0 | 1,100 | 1,082
Cumulative effect adjustment for the adoption of ASC-326 | Loan Portfolio |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit losses on unfunded commitments |  |  |  | 400 |
Cumulative effect adjustment for the adoption of ASC-326 | Retained Earnings |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Stockholders' equity, before tax |  |  |  | $ 1,500 |
Stockholders' equity | [1] |  |  |  | $ 1,076
[1] | Implementation of ASC 326. See Adoption of New Accounting Standards" discussion in Note 1.

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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