Long-Term Debt	12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]
Long-Term Debt	Long-Term Debt In 2010, the Company restructured the outstanding debt of its ESSOP by loaning the ESSOP $0.5 million to repay a loan to a third party and loaning the ESSOP an additional $1.0 million to purchase additional shares of the Company’s Common Stock for future 401(k) savings plan matches under a program that will expire on December 31, 2020. Under this program, the Company agreed to pay the principal and interest on the new loan amount of $1.5 million. The receivable from the ESSOP and the related obligation were therefore netted to zero on the Company’s Consolidated Balance Sheets at December 31, 2017 and 2016. The terms of the loan call for equal payments of principal with the final payment due on December 31, 2020, and prepayments are allowed under the plan terms. At December 31, 2017, $0.5 million of the loan balance remained.

Long-Term Debt

In 2010, the Company restructured the outstanding debt of its ESSOP by loaning the ESSOP $0.5 million to repay a loan to a third party and loaning the ESSOP an additional $1.0 million to purchase additional shares of the Company’s Common Stock for future 401(k) savings plan matches under a program that will expire on December 31, 2020. Under this program, the Company agreed to pay the principal and interest on the new loan amount of $1.5 million. The receivable from the ESSOP and the related obligation were therefore netted to zero on the Company’s Consolidated Balance Sheets at December 31, 2017 and 2016. The terms of the loan call for equal payments of principal with the final payment due on December 31, 2020, and prepayments are allowed under the plan terms. At December 31, 2017, $0.5 million of the loan balance remained.