EQUITY - Share-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-Based Compensation Expense
Total share-based compensation	$ 7,889	$ 7,833	$ 9,261
Income tax benefit	(1,162)	(2,115)	(3,098)
Share-based compensation, net of tax	6,727	5,718	6,163
Tax benefits from stock options exercised		113	321
Unrecognized Share-Based Compensation Expense
Unrecognized compensation expense related to unvested share-based awards granted	$ 7,600
Weighted average remaining vesting period over which expense is expected to be recognized	1 year
Stock options
Share-Based Compensation Expense
Total share-based compensation	$ 1,201	725	575
Restricted stock
Share-Based Compensation Expense
Total share-based compensation	2,719	2,032	1,662
Restricted stock \| Employee
Share-Based Compensation Expense
Total share-based compensation	434	405
RSUs
Share-Based Compensation Expense
Total share-based compensation	2,758	3,810	6,193
Share-based Payment Arrangement, Accelerated Cost	605	3,700
PSUs
Share-Based Compensation Expense
Total share-based compensation	1,211	1,266	$ 831
PSUs \| Employee
Share-Based Compensation Expense
Total share-based compensation	$ 23	$ 173

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

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