On August 14, 2018, the Company entered into a bank credit facility with Bank of Montreal, as administrative agent, and the participating banks. The bank credit facility was subject to a borrowing base of $700.0 million which was re-determined on a semi-annual basis and upon the occurrence of certain other events. Concurrent with the closing of the Covey Park Acquisition, the bank credit facility was amended and restated to provide for a $1,575.0 million borrowing base which will be re-determined on a semi-annual basis and upon the occurrence of certain other events. The maturity date was extended to July 16, 2024.The initial committed borrowing base was set at $1,500.0 million, of which $1,250.0 million of borrowings were outstanding as of December 31, 2019. The borrowing base was reaffirmed in November 2019 during its scheduled redetermination. Borrowings under the bank credit facility are secured by substantially all of the assets of the Company and its subsidiaries and bears interest at the Company's option, at either LIBOR plus 1.75% to 2.75% or a base rate plus 0.75% to 1.75%, in each case depending on the utilization of the borrowing base. The Company also pays a commitment fee of 0.375% to 0.5% on the unused borrowing base. The bank credit facility places certain restrictions upon the Company's and its restricted subsidiaries' ability to, among other things, incur additional indebtedness, pay cash dividends, repurchase common stock, make certain loans, investments and divestitures and redeem the senior notes.The only financial covenants are the maintenance of a leverage ratio of less than 4.0 to 1.0 and an adjusted current ratio of at least 1.0 to 1.0.The financial covenants are determined starting with the financial results for the three months ended December 31, 2019.The Company was in compliance with the covenants as of December 31, 2019.