Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Price of a single share of a number of saleable stocks of a company.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available for grant	1,500,256
Closing stock price of common stock	$ 30.90
Employee Stock Option [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Option term	10 years
Unrecognized compensation cost	$ 0
Total compensation cost	$ 0	$ 0	$ 6,000
Employee Stock Option [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Option term	10 years
Stock option vesting term	5 years
Restricted stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost	$ 13,000,000
Shares granted	223,396
Weighted average period over which unrecognized compensation is expected to be recognized (in years)	1 month 2 days
Total compensation cost	$ 5,900,000	$ 4,600,000	$ 3,500,000
Restricted stock [Member] \| Tranche One [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock option vesting term	3 years
Restricted stock [Member] \| Tranche Two [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock option vesting term	5 years
Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted	47,770
Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost	$ 9,700,000
Weighted average period over which unrecognized compensation is expected to be recognized (in years)	1 year 1 month 17 days