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SHARE BASED COMPENSATION, 401(K) PLAN AND DEFERRED COMPENSATION - Restricted Share Activity (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Feb. 21, 2019 | Dec. 31, 2019
Restricted Performance Share Units Plan |  |
Shares |  |
Ending balance (in shares) | 37,472 | 233,890
Weighted Average Grant Date Fair Value |  |
Non-vested at end of year, Weighted Average Grant Date Fair Value (in dollars per shares) |  | $ 15.61
Restricted Share Rights Awards |  |
Shares |  |
Beginning balance (in shares) |  | 466,439
Granted (in shares) | 196,667 | 278,442
Vested (in shares) |  | (248,607)
Forfeited (in shares) |  | (17,130)
Ending balance (in shares) |  | 479,144
Weighted Average Grant Date Fair Value |  |
Non-vested at beginning of year, Weighted Average Grant Date Fair Value (in dollars per shares) |  | $ 14.93
Granted, Weighted Average Grant Date Fair Value (in dollars per shares) |  | 15.51
Vested, Weighted Average Grant Date Fair Value (in dollars per shares) |  | 13.68
Forfeited, Weighted Average Grant Date Fair Value (in dollars per shares) |  | 15.66
Non-vested at end of year, Weighted Average Grant Date Fair Value (in dollars per shares) |  | $ 15.90
Non-vested at beginning of year, Aggregate Intrinsic Value |  | $ 70,700
Granted, Aggregate Intrinsic Value |  | 65,600
Vested, Aggregate Intrinsic Value |  | 538,300
Forfeited, Aggregate Intrinsic Value |  | 1,600
Non-vested at end of year, Aggregate Intrinsic Value |  | $ 44,700
Executive Officers | Restricted Performance Share Units Plan |  |
Shares |  |
Beginning balance (in shares) |  | 375,550
Granted (in shares) |  | 213,728
Vested (in shares) |  | (8,420)
Forfeited (in shares) |  | (25,323)
Ending balance (in shares) |  | 555,535
February 22, 2016 RSPU Grant | Executive Officers | Restricted Performance Share Units Plan |  |
Shares |  |
Beginning balance (in shares) |  | 169,525
Granted (in shares) |  | 0
Vested (in shares) |  | (8,420)
Forfeited (in shares) |  | (1,935)
Ending balance (in shares) |  | 159,170
March 01, 2017 RSPU Grant | Executive Officers | Restricted Performance Share Units Plan |  |
Shares |  |
Beginning balance (in shares) |  | 206,025
Granted (in shares) |  | 0
Vested (in shares) |  | 0
Forfeited (in shares) |  | (15,729)
Ending balance (in shares) |  | 190,296
February 28, 2018 RSPU Grant | Executive Officers | Restricted Performance Share Units Plan |  |
Shares |  |
Beginning balance (in shares) |  | 0
Granted (in shares) |  | 213,728
Vested (in shares) |  | 0
Forfeited (in shares) |  | (7,659)
Ending balance (in shares) |  | 206,069

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