BUSINESS COMBINATIONS - Porforma summary of financials (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Unaudited Pro Forma Summary Of Financial Information
Net revenues	$ 386,141	$ 383,975	$ 1,078,270	$ 1,064,123
Income (loss) from continuing operations	38,208	38,693	68,258	27,140
Income (loss) from discontinued operations, net of income taxes (benefit)	0	358	0	1,530
Net income (loss) available to the company	38,208	39,051	68,258	28,670
Net income (loss) available to common shareholders	$ 38,208	$ 39,051	$ 68,258	$ 28,670
Income (loss) from continuing operations per common share basic	$ 0.28	$ 0.28	$ 0.49	$ 0.20
Income (loss) from discontinued operations per common share - basic	0	0	0	0.01
Net income (loss) available to common shareholders per common share - basic	0.28	0.28	0.49	0.21
Income (loss) from continuing operations per common share - diluted	0.28	0.28	0.49	0.19
Income (loss) from discontinued operations per common share - diluted	0	0	0	0.01
Net income (loss) available to common shareholders per common share - diluted	$ 0.28	$ 0.28	$ 0.49	$ 0.21
Weighted shares outstanding basic	136,449,453	138,740,243	137,944,486	138,901,037
Weighted Average Shares Outstanding Diluted	136,452,995	139,102,560	138,295,091	139,684,890

Business Acquisition, Pro Forma Income (Loss) from Continuing Operations available to common shareholders

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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