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STOCKHOLDER'S EQUITY (Details) (USD $)
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3 Months Ended | 9 Months Ended | 9 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 9 Months Ended | 0 Months Ended | 9 Months Ended | 12 Months Ended | 0 Months Ended | 9 Months Ended | 0 Months Ended | 3 Months Ended | 9 Months Ended | 9 Months Ended | 0 Months Ended | ||||||||||||||||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
Wanda
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Sep. 30, 2014
Restricted stock unit
Performance Vesting
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Jan. 02, 2014
Board of Director
item
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Dec. 31, 2014
Members of management
Restricted stock unit
Performance Vesting
Recognized during 2014
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Jun. 25, 2014
2013 Equity Incentive Plan
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May 12, 2014
2013 Equity Incentive Plan
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Jan. 02, 2014
2013 Equity Incentive Plan
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Dec. 31, 2014
2013 Equity Incentive Plan
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Sep. 30, 2014
2013 Equity Incentive Plan
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Sep. 15, 2014
2013 Equity Incentive Plan
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Jan. 02, 2014
2013 Equity Incentive Plan
Board of Director
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Sep. 30, 2014
2013 Equity Incentive Plan
Board of Director
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Jun. 25, 2014
2013 Equity Incentive Plan
Members of management
Restricted stock unit
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May 12, 2014
2013 Equity Incentive Plan
Members of management
Restricted stock unit
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Jan. 02, 2014
2013 Equity Incentive Plan
Members of management
Restricted stock unit
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Sep. 30, 2014
2013 Equity Incentive Plan
Members of management
Restricted stock unit
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Dec. 31, 2014
2013 Equity Incentive Plan
Members of management
Restricted stock unit
Performance Vesting
Recognized during 2014
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Jan. 02, 2014
2013 Equity Incentive Plan
Executive officers
Restricted stock unit
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Sep. 30, 2014
2013 Equity Incentive Plan
Executive officers
Restricted stock unit
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Jun. 25, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
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May 12, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
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Jan. 02, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
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Sep. 30, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
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Sep. 30, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
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Sep. 30, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
Minimum
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Sep. 30, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
Maximum
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Sep. 30, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
30%
Minimum
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Sep. 30, 2014
2013 Equity Incentive Plan
Members of management and executive officers
Restricted stock unit
Performance Vesting
150%
Maximum
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Dec. 23, 2013
Class A common stock
Holdings
Parent's IPO
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Sep. 30, 2014
Class A common stock
2013 Equity Incentive Plan
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Jan. 02, 2014
Class A common stock
2013 Equity Incentive Plan
Board of Director
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| Dividends | |||||||||||||||||||||||||||||||||||
| Dividends and dividend equivalents | $ 39,003,000 | ||||||||||||||||||||||||||||||||||
| Accrued unpaid dividends | 149,000 | 149,000 | |||||||||||||||||||||||||||||||||
| Receivable due from related party | 833,000 | ||||||||||||||||||||||||||||||||||
| Amount received by certain members of management for tendering common stock to Holdings | (1,596,000) | 0 | 6,072,000 | 0 | |||||||||||||||||||||||||||||||
| Stock-based compensation expense included in general and administrative | 202,000 | 2,408,000 | 6,063,000 | 2,596,000 | 866,000 | ||||||||||||||||||||||||||||||
| Increase to additional paid-in capital related to stock based compensation | 6,072,000 | ||||||||||||||||||||||||||||||||||
| Total estimated unrecognized compensation cost related to nonvested stock-based compensation arrangements | 5,197,000 | 5,197,000 | |||||||||||||||||||||||||||||||||
| Number of shares authorized | 9,474,000 | ||||||||||||||||||||||||||||||||||
| Number of shares remaining available for grant | 8,609,853 | ||||||||||||||||||||||||||||||||||
| Fair value of stock at grant date (in dollars per share) | $ 24.44 | $ 21.61 | $ 20.18 | ||||||||||||||||||||||||||||||||
| Increase in authorized capital expenditures to accelerate deployment of certain customer experience enhancing strategic initiatives | 38,800,000 | ||||||||||||||||||||||||||||||||||
| Fair value of the stock (in dollars per share) | $ 24.60 | $ 18.00 | |||||||||||||||||||||||||||||||||
| Number of Board of Directors to whom common stock was granted | 2 | ||||||||||||||||||||||||||||||||||
| Shares granted | 10,004 | 5,002 | |||||||||||||||||||||||||||||||||
| Number of shares that will be received under each RSU | 1 | ||||||||||||||||||||||||||||||||||
| Number of days form the termination of service for settlement of fully vested RSU | 60 days | 60 days | |||||||||||||||||||||||||||||||||
| Grant date fair value (in dollars) | 2,596,000 | ||||||||||||||||||||||||||||||||||
| Service condition term | 1 year | ||||||||||||||||||||||||||||||||||
| PSUs vesting as a percentage of performance target | 80.00% | 120.00% | |||||||||||||||||||||||||||||||||
| Percentage of performance target | 100.00% | 30.00% | 150.00% | ||||||||||||||||||||||||||||||||
| Awards to be granted on achieving specified percentage of performance target (in shares) | 1,655 | 1,819 | 244,016 | ||||||||||||||||||||||||||||||||
| Number of PSUs vesting, if Holdings does not achieve free cash flow minimum performance target | 0 | ||||||||||||||||||||||||||||||||||
| Credit recognized in general and administrative other expense | 1,596,000 | ||||||||||||||||||||||||||||||||||
| Reversal of stock-based compensation expense | $ 2,462,000 | ||||||||||||||||||||||||||||||||||
| Expected performance targets to be achieved (as a percent) | 100.00% | 100.00% | |||||||||||||||||||||||||||||||||
| Shares of RSU and PSU | |||||||||||||||||||||||||||||||||||
| Granted (in shares) | 494,980 | 1,655 | 1,819 | 115,375 | 128,641 | ||||||||||||||||||||||||||||||
| Vested (in shares) | (118,849) | ||||||||||||||||||||||||||||||||||
| Forfeited (in shares) | (1,009) | ||||||||||||||||||||||||||||||||||
| Unvested at the end of the period (in shares) | 375,122 | ||||||||||||||||||||||||||||||||||
| Weighted Average Grant Date Fair Value | |||||||||||||||||||||||||||||||||||
| Granted (in dollars per share) | $ 22.40 | ||||||||||||||||||||||||||||||||||
| Vested (in dollars per share) | $ 20.26 | ||||||||||||||||||||||||||||||||||
| Forfeited (in dollars per share) | $ 20.18 | ||||||||||||||||||||||||||||||||||
| Unvested at the end of the period (in dollars per share) | $ 23.08 | ||||||||||||||||||||||||||||||||||