FAIR VALUE MEASUREMENTS - Assets and Liabilities (Details) - Recurring Basis - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Carrying Value
Assets and liabilities measured and recorded at fair value on a recurring basis
Acquisition-related contingent consideration		$ 1,116
Total Liabilities		3,567
Carrying Value | Interest rate cap
Assets and liabilities measured and recorded at fair value on a recurring basis
Derivative Asset		1
Interest rate cap		1
Carrying Value | Interest rate swap
Assets and liabilities measured and recorded at fair value on a recurring basis
Interest rate swap	$ 3,856	2,451
Significant Other Observable Inputs (Level 2)
Assets and liabilities measured and recorded at fair value on a recurring basis
Total Liabilities		2,451
Significant Other Observable Inputs (Level 2) | Interest rate cap
Assets and liabilities measured and recorded at fair value on a recurring basis
Derivative Asset		1
Interest rate cap		1
Significant Other Observable Inputs (Level 2) | Interest rate swap
Assets and liabilities measured and recorded at fair value on a recurring basis
Interest rate swap	$ 3,856	2,451
Significant Unobservable Inputs (Level 3)
Assets and liabilities measured and recorded at fair value on a recurring basis
Acquisition-related contingent consideration		1,116
Total Liabilities		$ 1,116