STOCK BASED COMPENSATION PLANS (Details) (USD $)	3 Months Ended		6 Months Ended					0 Months Ended										0 Months Ended					6 Months Ended	0 Months Ended			6 Months Ended		0 Months Ended			1 Months Ended			0 Months Ended		3 Months Ended	6 Months Ended			3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Feb. 18, 2014	Feb. 10, 2014	Feb. 12, 2014 Class A Common Stock	Apr. 20, 2010 2008 Incentive Equity Plan Class A-2 Common Units Certain executives	Jun. 04, 2012 2008 Incentive Equity Plan Class A-2 Common Units New member of the management team	Jan. 02, 2012 2008 Incentive Equity Plan Class A-2 Common Units New member of the management team	May 29, 2013 2008 Incentive Equity Plan Series B Participating Preferred Units New member of the management team	Jun. 04, 2012 2008 Incentive Equity Plan Series B Participating Preferred Units New member of the management team	Jan. 02, 2012 2008 Incentive Equity Plan Series B Participating Preferred Units New member of the management team	Jun. 03, 2013 2008 Incentive Equity Plan Series B Participating Preferred Units New employee	May 20, 2013 2008 Incentive Equity Plan Series B Participating Preferred Units New employee	Feb. 01, 2013 2008 Incentive Equity Plan Series B Participating Preferred Units New employee	Feb. 12, 2014 2014 Omnibus Incentive Plan Director	Feb. 12, 2014 2014 Omnibus Incentive Plan Restricted stock awards Grantees Time-based vesting	Feb. 12, 2014 2014 Omnibus Incentive Plan Restricted stock awards Grantees Eighteen month anniversary	Feb. 12, 2014 2014 Omnibus Incentive Plan Restricted stock awards Grantees Three year anniversary	Feb. 12, 2014 2014 Omnibus Incentive Plan Restricted stock awards Grantees Performance-based vesting item	Feb. 12, 2014 2014 Omnibus Incentive Plan Restricted stock awards Harris Time-based vesting item	Jun. 30, 2014 2014 Omnibus Incentive Plan Restricted stock awards Harris Time-based vesting	Feb. 12, 2014 2014 Omnibus Incentive Plan Restricted stock awards Mr. Fishman item	Feb. 12, 2014 2014 Omnibus Incentive Plan Restricted stock awards Joel C. Peterson item	Feb. 12, 2014 2014 Omnibus Incentive Plan Restricted stock awards Douglas Durst item	Jun. 30, 2014 2014 Omnibus Incentive Plan Restricted stock awards Director Time-based vesting	Jun. 30, 2014 2014 Omnibus Incentive Plan Restricted stock awards Officers other than Mr. Harris, and certain employees Time-based vesting	Feb. 12, 2014 2014 Omnibus Incentive Plan Class A Common Stock (restricted) Grantees	Feb. 12, 2014 2014 Omnibus Incentive Plan Class A Common Stock (restricted) Mr. Fishman/Mr. Peterson/Mr. Durst	Feb. 12, 2014 The Plan	Feb. 28, 2014 The Plan	Jun. 30, 2014 The Plan	Feb. 12, 2014 The Plan Class A Common Stock	Jul. 03, 2014 2014 Deferred Compensation Plan Subsequent event	Jul. 03, 2014 2014 Deferred Compensation Plan Maximum Subsequent event	Jun. 30, 2013 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan PREDECESSOR	Jun. 30, 2014 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan PREDECESSOR	Jun. 30, 2013 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan PREDECESSOR	Jun. 30, 2014 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan Class A-2 Common Units	Jun. 30, 2013 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan Series B Participating Preferred Units	Jun. 30, 2014 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan Series B Participating Preferred Units	Jun. 30, 2013 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan Series B Participating Preferred Units	Jun. 30, 2014 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan LP Units	Jun. 30, 2014 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan LP Units	Jun. 30, 2014 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan Class A Common Stock (restricted)	Jun. 30, 2014 2008 Incentive Equity Plan and 2014 Omnibus Incentive Plan Class A Common Stock (restricted)
STOCK BASED COMPENSATION PLANS
Vesting period								42 months		36 months			36 months			36 months			18 months	3 years		3 years		3 years	3 years	3 years									3 years
Aggregate value of awards granted																													$ 27,489,109
Exercised (in shares/units)											14,516.13	24,193.55
Vesting percentage																		50.00%			50.00%
Number of installments in which awards are vested																					3	3		3	3	3
Percentage of awards vested																			25.00%	75.00%
Minimum performance target percentage																					8.00%
Performance period																					3 years
Option to purchase additional units												24,193.55
Grant date fair value of awards granted																								1,000,000	75,000	75,000
Grant date fair value of awards to be granted																								50,000	50,000	50,000
Annual cash payment for service on our board of directors																									75,000	75,000
Amount may be paid for service as a chairperson of the audit committee or compensation committee																	15,000
Amount may be paid for service as a chairperson of the nominating and corporate governance committee																	10,000
Period within which additional units can be purchased												1 year
Purchase price of additional units (in dollars per unit)												$ 124
Grant date fair value (in dollars per unit)												$ 130.0
Exercised price (in dollars per unit)											$ 124.0
Weighted Average Fair Value (in dollars)																																									1,365,150		1,365,150				28,637,096
Amortization to compensation expense	(4,227,472)	(1,095,461)	(6,552,452)	(1,569,962)																																	(1,095,461)	(290,171)	(1,569,962)					(5,785,597)	(6,136,856)	1,558,125	(125,425)
Unvested shares granted under the Plan and changes
Outstanding at the beginning of the period (in shares/units)																																								365,407		14,276
Granted (in shares/units)								910,491	1,127,543			31,451.61		2,531	6,570														1,619,865	67,648																	1,687,513
Vested (in shares/units)																																								(32,365)		(1,158)			(1,463,541)
Converted (in shares/units)																																								(333,042)		(13,118)			3,186,066
Outstanding at the end of the period (in shares/units)																																									9,101		9,101	1,722,525	1,722,525	1,687,513	1,687,513
Unrecognized compensation cost	28,335,469		28,335,469
Period over which unrecognized compensation cost is expected to be recognized			33 months
Portion of compensation expense to be recognized annually (as a percent)																							33.00%				33.00%	33.00%
Weighted-average remaining vesting period over which unrecognized compensation cost is expected to be recognized			30 months 9 days																				3 years				3 years	3 years
Share price (in dollars per share)						$ 17.00	$ 17.00																											$ 17.00
Period of termination following a change in control during which participant will fully vest in their unvested account balances																																				6 months
Period of payment following the end of the participant's employment																																				60 days
Deferred Compensation Plan
Employee's contribution																																6,427,127
Percentage of compensation expensed upon contribution																															100.00%
Total employee's contribution, net of forfeitures and payouts related to terminations																																	11,851,733
Units outstanding																																	82,027
Units unvested																																	37,251
Bonus payment to employees					43,719,000
Compensation expense	$ 17,950,000	$ 6,842,998	$ 30,614,286	$ 13,858,049