SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES - Deferred Financing Costs (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense		$ 2,500,000
Total long-term debt	$ 273,153,000	204,484,000
Less: Net deferred financing costs related to Term Loan	(576,000)	(628,000)
Less: current maturities of long-term debt	(15,766,000)	(10,714,000)
Total long-term debt, less current maturities, net	256,811,000	193,142,000
Net deferred financing costs related to 2015 Revolver	1,728,000	1,885,000
2015 Revolver [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity		300,000,000.0
Total long-term debt	190,427,000	$ 137,520,000
Term Loan [Member]
Debt Instrument [Line Items]
Total commitment related to Term Loan, percent		25.00%
Unamortized Debt Issuance Expense		$ 600,000
Total long-term debt	$ 82,726,000	66,964,000
Total long-term debt, net of deferred financing costs		$ 75,000,000.0