COMPENSATION PROGRAMS - Additional Information (Details) - USD ($)
|
1 Months Ended |
3 Months Ended |
|
Jan. 31, 2018 |
Jan. 31, 2017 |
Feb. 29, 2016 |
Jan. 31, 2016 |
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2017 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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|
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| Short-term incentive compensation program accruals |
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|
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|
$ 568,000
|
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| Dividend equivalent rights payable |
|
|
|
|
$ 15,069,000
|
|
$ 18,487,000
|
| Minimum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Targeted award opportunity on base salary |
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|
75.00%
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| Maximum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Targeted award opportunity on base salary |
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|
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|
125.00%
|
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| Long-Term Equity-Based Awards [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common shares available for future issuances (in shares) |
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|
3,369,164
|
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| Dividend Equivalent Rights Program [Member] | Accounts Payable and Accrued Liabilities [Member] |
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|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
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| Dividend equivalent rights payable |
|
|
|
|
$ 96,000
|
|
|
| Performance-based RSUs [Member] |
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|
|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
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| Dividend equivalent rights payable |
|
|
|
|
$ 137,000
|
|
|
| Share awards performance period |
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|
|
|
3 years
|
|
|
| Total original grants (in shares) |
183,137
|
148,894
|
269,354
|
|
183,137
|
|
|
| Grant date fair value per share (in dollars per share) |
$ 8.71
|
$ 10.52
|
$ 8.03
|
|
$ 8.71
|
|
|
| Forfeitures (in shares) |
|
|
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(117,255)
|
|
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| Long term incentive compensation expense |
|
|
|
|
$ 3,000
|
$ 312,000
|
|
| Performance-based RSUs [Member] | December 2015 [Member] |
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|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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|
|
|
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| Forfeitures (in shares) |
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(117,255)
|
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|
| Service-Based Stock Awards [Member] |
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|
|
|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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|
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|
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| Total original grants (in shares) |
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|
|
|
41,797
|
|
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| Grant date fair value per share (in dollars per share) |
|
|
|
|
$ 10.05
|
|
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| Grant date |
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Jul. 31, 2017
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| Service-based stock awards issuance period |
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|
1 year
|
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| Service-Based Stock Awards [Member] | Management [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
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| Total original grants (in shares) |
126,451
|
74,446
|
67,337
|
|
|
|
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| Grant date fair value per share (in dollars per share) |
$ 8.60
|
$ 10.41
|
$ 9.32
|
|
|
|
|
| Share-based compensation arrangement by share-based payment award vesting period |
2021-01
|
2020-01
|
2019-02
|
|
|
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| Service-Based Stock Awards [Member] | Employee [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
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| Total original grants (in shares) |
57,283
|
49,416
|
|
61,272
|
|
|
|
| Grant date fair value per share (in dollars per share) |
$ 8.60
|
$ 10.41
|
|
$ 7.87
|
|
|
|
| Share-based compensation arrangement by share-based payment award vesting period |
2021-01
|
2020-01
|
|
2019-01
|
|
|
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| Stock Awards Activity [Member] |
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|
|
|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
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| Total original grants (in shares) |
|
|
|
|
183,734
|
|
|
| Grant date fair value per share (in dollars per share) |
|
|
|
|
$ 8.60
|
|
|
| Long term incentive compensation expense |
|
|
|
|
$ 307,000
|
220,000
|
|
| Other general and administrative expense |
|
|
|
|
105,000
|
$ 105,000
|
|
| Total of unrecognized compensation expense for unvested stock award |
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|
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$ 2,600,000
|
|
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| Compensation cost not yet recognized, period for recognition |
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1 year 7 months 6 days
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