GUARANTORS OF SECURITIES (Details) - Senior Unsecured Notes Due December 15, 2022 - Senior Notes - USD ($) |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 07, 2012 |
|---|---|---|---|
| Debt Instrument [Line Items] | |||
| Face amount | $ 200,000,000.0 | ||
| Stated interest rate | 7.75% | 7.75% | 7.75% |
| X | ||||||||||
- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|