LOANS PAYABLE AND OTHER BORROWINGS - Narrative (Details) |
12 Months Ended | ||
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Dec. 31, 2017
USD ($)
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Dec. 31, 2016
USD ($)
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Dec. 31, 2015
USD ($)
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| Line of Credit Facility [Line Items] | |||
| Proceeds from lines of credit | $ 415,000,000 | $ 286,000,000 | $ 210,000,000 |
| Repayments | 430,000,000 | 271,000,000 | $ 210,000,000 |
| Total LOCs | 74,672,000 | 43,839,000 | |
| Revolving credit facility [Member] | Line of credit [Member] | |||
| Line of Credit Facility [Line Items] | |||
| Current borrowing capacity | 625,000,000 | ||
| Maximum borrowing capacity | 725,000,000 | ||
| Minimum tangible net worth | $ 987,400,000 | ||
| Leverage ratio | 0.6 | ||
| Interest coverage ratio | 1.5 | ||
| Outstanding borrowings under Credit Facility | $ 0 | $ 15,000,000 | |
| Total LOCs | 74,700,000 | ||
| Line of credit facility, remaining borrowing capacity | 550,300,000 | ||
| Revolving credit facility maturing July 2019 [Member] | Revolving credit facility [Member] | Line of credit [Member] | |||
| Line of Credit Facility [Line Items] | |||
| Current borrowing capacity | $ 60,000,000.0 | ||
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- Definition As of any date, for the applicable period of the four quarters then ended, the ratio of (a) Consolidated EBITDA to (b) Consolidated Interest Incurred. No definition available.
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- Definition The ratio of (a) Consolidated Debt plus Additional Available Liquidity minus, Unrestricted Cash, to the extent Unrestricted Cash exceeds the Required Liquidity, divided by (b) Consolidated Debt plus Consolidated Tangible Net Worth plus Additional Available Liquidity. No definition available.
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- Definition The lowest amount of tangible net worth required by secondary market investors. No definition available.
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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.
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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