Six months ended June 30, 2023 compared to six months ended June 30, 2022
Other interest income increased primarily due to an increase in interest earned on our cash deposits. Other revenues decreased due to a decrease in income from equity-method investments. The increase in personnel expense was primarily due to an increase in salaries and benefits and deferred compensation expense, partially offset by a decrease in performance-based and subjective bonus expense due to our financial performance. Other operating expenses decreased as a result of a decline in professional fees and other operating expenses.
Liquidity and Capital Resources
Uses of Liquidity, Cash and Cash Equivalents
Our significant recurring cash flow requirements consist of liquidity to (i) fund loans held for sale; (ii) pay cash dividends; (iii) fund our portion of the equity necessary for the operations of the Interim Program JV, and other equity-method investments; (iv) fund investments in properties to be syndicated to LIHTC investment funds that we will asset-manage; (v) make payments related to earnouts from acquisitions, (vi) meet working capital needs to support our day-to-day operations, including debt service payments, joint venture development partnerships contributions, servicing advances and payments for salaries, commissions, and income taxes, and (vii) meet working capital to satisfy collateral requirements for our Fannie Mae DUS risk-sharing obligations and to meet the operational liquidity requirements of Fannie Mae, Freddie Mac, HUD, Ginnie Mae, and our warehouse facility lenders.
Fannie Mae has established benchmark standards for capital adequacy and reserves the right to terminate our servicing authority for all or some of the portfolio if, at any time, it determines that our financial condition is not adequate to support our obligations under the DUS agreement. We are required to maintain acceptable net worth as defined in the standards, and we satisfied the requirements as of June 30, 2023. The net worth requirement is derived primarily from unpaid balances on Fannie Mae loans and the level of risk-sharing. As of June 30, 2023, the net worth requirement was $291.1 million, and our net worth was $1.0 billion, as measured at our wholly-owned operating subsidiary, Walker & Dunlop, LLC. As of June 30, 2023, we were required to maintain at least $57.9 million of liquid assets to meet our operational liquidity requirements for Fannie Mae, Freddie Mac, HUD, Ginnie Mae and our warehouse facility lenders. As of June 30, 2023, we had operational liquidity of $205.4 million, as measured at our wholly-owned operating subsidiary, Walker & Dunlop, LLC.
We paid a cash dividend of $0.63 per share during the second quarter of 2023, which is 5% higher than the quarterly dividend paid in the second quarter of 2022. On August 2, 2023, the Company’s Board of Directors declared a dividend of $0.63 per share for the third quarter of 2023. The dividend will be paid on September 1, 2023 to all holders of record of our restricted and unrestricted common stock as of August 17, 2023.
On occasion, we may use cash to fully fund some loans held for investment or loans held for sale instead of using our warehouse lines. As of June 30, 2023, we did not fully fund any loans held for investment or loans held for sale. We continually seek opportunities to complete additional acquisitions if we believe the economics are favorable.
In February 2023, our Board of Directors approved a stock repurchase program that permits the repurchase of up to $75.0 million of shares of our common stock over a 12-month period beginning February 23, 2023. Through June 30, 2023, we have not repurchased any shares under the 2023 stock repurchase program and have $75.0 million of remaining capacity under that program.
Historically, our cash flows from operations and warehouse facilities have been sufficient to enable us to meet our short-term liquidity needs and other funding requirements. We believe that cash flows from operations will continue to be sufficient for us to meet our current obligations for the foreseeable future.
Restricted Cash and Pledged Securities
Restricted cash consists primarily of good faith deposits held on behalf of borrowers between the time we enter into a loan commitment with the borrower and the investor purchases the loan. We are generally required to share the risk of any losses associated with loans sold under the Fannie Mae DUS program, our only off-balance sheet arrangement. We are required to secure this obligation by assigning collateral to Fannie Mae. We meet this obligation by assigning pledged securities to Fannie Mae. The amount of collateral required by Fannie Mae is a formulaic calculation at the loan level and considers the balance of the loan, the risk level of the loan, the age of the loan, and the level of risk-sharing. Fannie Mae requires collateral for Tier 2 loans of 75 basis points, which is funded over a 48-month period that begins upon delivery of the loan to Fannie Mae. Collateral held in the form of money market funds holding U.S. Treasuries is discounted 5%, and Agency MBS are