GUARANTOR - Condensed Income Statement (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Condensed Financial Statements, Captions [Line Items] | |||||||||||
| NET REVENUES | $ 117,704,000 | $ 114,662,000 | $ 100,592,000 | $ 78,420,000 | $ 101,513,000 | $ 99,840,000 | $ 100,201,000 | $ 78,235,000 | $ 411,378,000 | $ 379,789,000 | $ 377,618,000 |
| Operating Expenses Abstract | |||||||||||
| Depreciation Depletion And Amortization | 8,419,000 | 7,794,000 | 8,545,000 | ||||||||
| General and Administrative Expense | 26,479,000 | 26,572,000 | 24,381,000 | ||||||||
| Acquisition Costs | 6,836,000 | 1,042,000 | 0 | ||||||||
| Net (gain) loss on sale or disposal of assets | (2,364,000) | (379,000) | (1,321,000) | ||||||||
| Operating Expenses | 325,796,000 | 294,213,000 | 285,051,000 | ||||||||
| Operating Income Loss | 32,555,000 | 23,159,000 | 20,615,000 | 9,253,000 | 28,531,000 | 21,205,000 | 23,916,000 | 11,924,000 | 85,582,000 | 85,576,000 | 92,567,000 |
| Other income | 0 | 0 | (165,000) | ||||||||
| TOTAL OTHER (INCOME) EXPENSE | 37,961,000 | 38,842,000 | 44,067,000 | ||||||||
| INCOME (LOSS) BEFORE INCOME TAXES (BENEFIT) | 47,621,000 | 46,734,000 | 48,500,000 | ||||||||
| Income Tax Expense (Benefit) | 18,437,000 | 19,911,000 | 22,476,000 | ||||||||
| Net Income (Loss) Attributable to Parent | 14,088,000 | 8,442,000 | 6,747,000 | (93,000) | 10,850,000 | 6,473,000 | 8,137,000 | 1,363,000 | 29,184,000 | 26,823,000 | 26,024,000 |
| Preferred stock dividend | 752,000 | 0 | 0 | ||||||||
| Net Income (Loss) Available to Common Stockholders, Basic | $ 13,675,000 | $ 8,103,000 | $ 6,747,000 | $ (93,000) | $ 10,850,000 | $ 6,473,000 | $ 8,137,000 | $ 1,363,000 | 28,432,000 | 26,823,000 | 26,024,000 |
| Parent Company [Member] | |||||||||||
| Condensed Financial Statements, Captions [Line Items] | |||||||||||
| NET REVENUES | 1,536,000 | 1,309,000 | 615,000 | ||||||||
| Operating Expenses Abstract | |||||||||||
| Depreciation Depletion And Amortization | 1,123,000 | 1,217,000 | 1,122,000 | ||||||||
| General and Administrative Expense | 26,395,146.06 | 26,463,178.27 | 24,229,000 | ||||||||
| Acquisition Costs | 6,835,853.94 | 1,041,821.73 | 0 | ||||||||
| Net (gain) loss on sale or disposal of assets | (600,744) | (600,744) | (1,954,282.62) | ||||||||
| Operating Expenses | 33,753,256 | 28,121,256 | 23,396,717.38 | ||||||||
| Operating Income Loss | (32,217,256) | (26,812,256) | (22,781,717.38) | ||||||||
| Net interest expense, including amortization of deferred financing expense | 0 | 15,000 | 1,000 | ||||||||
| Other income | 0 | 0 | 0 | ||||||||
| Income from equity investment in subsidiaries | (79,838,256) | (73,561,256) | (71,117,717.38) | ||||||||
| TOTAL OTHER (INCOME) EXPENSE | (79,838,256) | (73,546,256) | (71,281,717.38) | ||||||||
| INCOME (LOSS) BEFORE INCOME TAXES (BENEFIT) | 47,621,000 | 46,734,000 | 48,500,000 | ||||||||
| Income Tax Expense (Benefit) | 18,437,000 | 19,911,000 | 22,476,000 | ||||||||
| Net Income (Loss) Attributable to Parent | 29,184,000 | 26,823,000 | 26,024,000 | ||||||||
| Preferred stock dividend | 752,000 | 0 | 0 | ||||||||
| Net Income (Loss) Available to Common Stockholders, Basic | $ 28,432,000 | $ 26,823,000 | $ 26,024,000 | ||||||||