At June 30, 2022 and December 31, 2021, short-term borrowings were as follows:


	As of June 30, 2022		As of December 31, 2021
Federal funds purchased	$	0	$	0
Securities sold under agreements to repurchase		128,242		128,844

Total short-term borrowings	$	128,242	$	128,844

Securities sold under agreements to repurchase have been a significant source of funds for the company. The securities sold under agreements to repurchase were accounted for as collateralized financial transactions. They were recorded at the amounts at which the securities were acquired or sold plus accrued interest.

United has various unused lines of credit available from certain of its correspondent banks in the aggregate amount of $230,000. These lines of credit, which bear interest at prevailing market rates, permit United to borrow funds in the overnight market, and are renewable annually subject to certain conditions. The securities sold under agreements to repurchase were accounted for as collateralized financial transactions. They were recorded at the amounts at which the securities were acquired or sold plus accrued interest.

United has a $20,000 line of credit with an unrelated financial institution to provide for general liquidity needs. The line is an unsecured, revolving line of credit. The line is renewable on a 360 day basis and carries an indexed, floating-rate of interest. The line requires compliance with various financial and nonfinancial covenants. At June 30, 2022, United had no outstanding balance under this credit.