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STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Mar. 31, 2016
Stock Repurchase Program |  |  |  |  |
Repurchases of common stock - net | $ 3,418,000 |  |  |  |
Stock Repurchase Program |  |  |  |  |
Stock Repurchase Program |  |  |  |  |
Value of common shares authorized for repurchase | $ 4,108,000 |  | $ 4,108,000 |  | $ 7,500,000
Number of shares repurchased | 133,000 | 0 | 133,000 | 0 |
Repurchases of common stock - net | $ 3,392,000 |  | $ 3,392,000 |  |
Payment of commissions on sale of shares | $ 8,000 |  | $ 8,000 |  |

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