INCOME TAXES - Income Tax Payments Refunds Net Operating Loss Carryforwards (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Income Tax Payments And Refunds | |||
| Income Taxes Paid Local And State Tax Authorities | $ 81 | $ 79 | $ 69 |
| Federal and state income tax refunds | 0 | $ 10 | $ 5 |
| Operating Loss Carryforwards [Line Items] | |||
| State income tax credits | 1,248 | ||
| Domestic Country [Member] | |||
| Operating Loss Carryforwards [Line Items] | |||
| NOL carryforwards | 292,800 | ||
| Operating Loss Carryforwards Suspended Windfall | 10,799 | ||
| State and Local Jurisdiction [Member] | |||
| Operating Loss Carryforwards [Line Items] | |||
| NOL carryforwards | 614,834 | ||
| Operating Loss Carryforwards Suspended Windfall | $ 8,806 | ||