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SHAREHOLDERS EQUITY - Additional Information (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jul. 25, 2019
Class Of Stock [Line Items] |  |  |  |
Stock repurchase program, number of shares authorized to be repurchased, percentage |  |  |  | 5.00%
Stock repurchase program, number of shares authorized to be repurchased |  |  |  | 960,000
Shares repurchased | 739,778 |  |  |
Shares repurchased, average price per share | $ 28.39 |  |  |
Shares repurchased during period, value | $ 21,002,000 |  |  |
Quarterly cash payment that may be made under Dividend Reinvestment Program | $ 200,000 |  |  |
Percent of fair market value which shares may be purchased at under the DRIP |  | 97.00% |  |
Fair market value discount |  | 3.00% |  |
Common stock, shares subscribed but unissued |  | 542,302 |  |
Purchase of shares (dividend reinvestment program), shares |  | 778,407 |  |
Sale of shares (dividend reinvestment program) |  | $ 16,677,000 | $ 36,588,000 |
Plan [Member] |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Purchase of shares (dividend reinvestment program), shares | 129,738 |  |  |
Sales of shares (Dividend Reinvestment Program), shares |  | 1,320,709 |  |

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