BUSINESS COMBINATIONS - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
Aug. 31, 2019	Mar. 31, 2020
AEP
Business Combination, Separately Recognized Transactions [Line Items]
Revenues included in the Company's unaudited consolidated statements of income		$ 0.3
Earnings included in the Company's unaudited consolidated statements of income		$ 0.2
AEP
Business Combination, Separately Recognized Transactions [Line Items]
Consideration paid for AEP	$ 4.0

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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