STOCK-BASED COMPENSATION - Salary Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Repurchased of common stock	434,066	438,891
Omnibus Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted shares	268,709	582,193
Weighted-Average Grant Date Fair Value, Granted	$ 6.51	$ 5.64
Compensation expense	$ 1.7	$ 3.3
Omnibus Plan [Member] \| Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-Average Grant Date Fair Value, Granted	$ 6.71
Compensation expense	$ 3.4	$ 4.0	$ 3.9
Omnibus Plan [Member] \| Senior Officers [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Repurchased of common stock	96,377	195,789
Omnibus Plan [Member] \| Senior Officers [Member] \| Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Repurchased of common stock	337,689	243,102

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Number of shares that have been repurchased during the period and are being held in treasury.

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