EARNINGS PER SHARE (Information Related to EPS Calculation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerator:
Net income	$ 30,043	$ 23,847	$ 75,296	$ 19,802
Net income attributable to noncontrolling interests	(285)	(482)	(240)	(51)
Net income attributable to common stockholders	$ 29,758	$ 23,365	$ 75,056	$ 19,751
Denominator:
Weighted-average basic common shares outstanding (in shares)	43,134	43,066	43,118	43,023
Numerator:
Net income attributable to common stockholders	$ 29,758	$ 23,365	$ 75,056	$ 19,751
Denominator:
Weighted-average basic common shares outstanding (in shares)	43,134	43,066	43,118	43,023
Restricted stock and stock options (in shares)	208	204	171	211
Warrants (in shares)	86	47	86	47
Weighted-average diluted common shares outstanding (in shares)	43,428	43,317	43,375	43,281
Basic income per share (in dollars per share)	$ 0.69	$ 0.54	$ 1.74	$ 0.46
Diluted income per share (in dollars per share)	$ 0.69	$ 0.54	$ 1.73	$ 0.46