The Company’s borrowings from the Federal Home Loan Bank of Atlanta (“FHLB”) were $23.8 million and $7.9 million at December 31, 2018 and 2017, respectively. At December 31, 2018 and 2017, the fixed interest rates on FHLB advances ranged from 2.06% to 2.96%, respectively, and the weighted average interest rate at December 31, 2018 and 2017 was 2.66% and 2.54%, respectively.

At December 31, 2018, the Bank’s available line of credit with the FHLB was approximately $118.9 million. FHLB advances and the available line of credit were secured by certain first and second lien loans on 1-to-4 family single unit dwellings and eligible commercial real estate loans of the Bank. The amount of available credit is limited to 100% of the market value of qualifying collateral for 1-to-4 family single unit residential loans, 68% to 84% for home equity loans and 70% for commercial real estate loans. Any borrowing in excess of the qualifying collateral requires pledging of additional assets.

The contractual maturities of FHLB advances at December 31, 2018 are as follows:

(In thousands)
2019	$	4,000
2020		4,000
2021		4,000
2022		11,780
	$	23,780

As additional sources of liquidity, the Bank has available federal funds purchased lines of credit with several different commercial banks totaling $75.0 million and the Federal Reserve Bank of Richmond totaling $7.0 million. As of December 31, 2018, the Bank also had a letter of credit in the amount of $35.0 million with the FHLB issued as collateral for public fund depository accounts. At December 31, 2018, none of the available federal funds purchased lines of credit or letter of credit were in use.