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Debt | 3 Months Ended
--- | ---
Mar. 31, 2018
Debt Disclosure [Abstract] |
Debt | Indebtedness outstanding was as follows:
($ in thousands) |  | March 31, 2018 |  | December 31, 2017
Short-term debt: |  |  |  |  |  |
Bank Credit Facility, expires July 30, 2019 |  | $ | — |  |  | $ | — |
Long-term debt: |  |  |  |  |  |
4.50% Senior Notes, due December 1, 2025. Aggregate principal amount of $250,000 thousand less unaccrued discount of $532 thousand and $547 thousand (4.5% imputed rate) and unamortized debt issuance costs of $1,932 thousand and $1,984 thousand |  | 247,536 |  |  | 247,469 |
Federal Home Loan Bank borrowing |  | 50,000 |  |  | 50,000 |
Total |  | $ | 297,536 |  |  | $ | 297,469 |
The Credit Agreement with certain financial institutions (Bank Credit Facility), 4.50% Senior Notes due 2025 (Senior Notes due 2025) and FHLB borrowing are described in Notes to Consolidated Financial Statements -- Note 7 -- Debt of the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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