BUSINESS COMBINATION - Acquisitions (Details) - USD ($) $ in Thousands	Sep. 04, 2019	Sep. 10, 2018
OS National LLC
Business Acquisition [Line Items]
Cash consideration	$ 34,300
Equity consideration - common stock	6,700
Total consideration transferred	$ 41,000
Open Listings Co
Business Acquisition [Line Items]
Cash consideration		$ 9,370
Equity consideration - common stock		6,150
Total consideration transferred		$ 15,520

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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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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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