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SHORT-TERM BORROWINGS (Tables) | 12 Months Ended
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Dec. 31, 2017
Short-term Debt [Abstract] |
Schedule of short-term borrowings | A summary of our short-term borrowings as of December 31, 2017, 2016 and 2015 is as follows:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (Dollars in thousands)
Amount outstanding at December 31 | $ | 32,000 |  |  | $ | 135,000 |  |  | $ | 69,000 |
Average amount outstanding during year | 15,531 |  |  | 110,928 |  |  | 92,045 |
Highest month-end balance during year | 69,000 |  |  | 226,000 |  |  | 157,000 |
Weighted average interest rate on balances outstanding at December 31 | 1.63 | % |  | 0.74 | % |  | 0.35 | %
Weighted average interest rate during year | 1.18 | % |  | 0.52 | % |  | 0.28 | %

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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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