8. Other Borrowings
Federal Funds Purchased
Federal funds purchased are short-term borrowings that typically mature within one to ninety days. The Bank has federal funds lines of credits with unaffiliated banks with a maximum advanceable amount up to $40,000,000 at June 30, 2017 and December 31, 2016. The lines of credits have no stated maturity date but may be canceled anytime at the sole discretion of the lending bank. The lines are provided on an unsecured basis; however, the lender may require the line to be fully secured at any time. There were no federal funds purchased at June 30, 2017 and December 31, 2016.
Federal Home Loan Bank Advances
As a member of Federal Home Loan Bank (FHLB), the Bank has the ability to borrow up to a maximum of approximately $557,079,000 and $529,464,000 at June 30, 2017 and December 31, 2016, respectively, subject to the level of Tier 1 capital, qualified pledgable first mortgage loans, and FHLB stock owned.
FHLB advances totaled $210,000,000 and $150,000,000 at June 30, 2017 and December 31, 2016, respectively. At June 30, 2017, the advances include borrowings of $110,000,000 that mature in the third quarter of 2017 and are renewed as necessary under normal operations. The remaining $100,000,000 of advances matures in 2018 with interest at variable rates that reprice every 28 days. Total advances have a weighted average rate of 1.15% and 0.57% at June 30, 2017 and December 31, 2016, respectively. The FHLB has as collateral on the advances a blanket floating lien on certain other assets of the Bank, including selected loans and securities.
Federal Reserve Bank
The Bank has a line of credit with the Federal Reserve Bank. As of June 30, 2017, approximately $210,796,000 of commercial loans were pledged as collateral and the available line of credit was approximately $166,211,000. As of December 31, 2016, approximately $174,478,000 of commercial loans were pledged as collateral and the available line of credit was approximately $141,954,000. There were no borrowings outstanding at June 30, 2017 and December 31, 2016.
Other Borrowings
During May 2017, First Texas BHC, Inc. (the Holding Company) increased the maximum advanceable amount under the line of credit with an unaffiliated bank to $35,000,000 from $25,000,000 at December 31, 2016. On June 29, 2017, the Holding Company entered into an agreement with the unaffiliated bank and converted the line of credit facility into a term note for the principal sum of $60,000,000 drawn in full at the time. The term note requires payment of interest only, computed on the unpaid principal balance based on the 90 day London Interbank Offered Rate (LIBOR) plus 2.5% (3.79% at June 30, 2017), and payable quarterly on the first day of each calendar quarter commencing on July 1, 2017 through April 1 2018. The entire unpaid principal amount thereof, together with the accrued interest shall become due on May 31, 2018 or upon the closing with Simmons First National Corporation, whichever happens first. The term note is collateralized by the common stock of Southwest Bank. At June 30, 2017, the unpaid balance on the term note was $60,000,000. At December 31, 2016, advances on the line of credit approximated $10,000,000. The Company had unamortized loan costs of $68,000 and $10,000 in regard to these borrowings at June 30, 2017 and December 31, 2016, respectively.
9. Repurchase Agreements
In February 2008, the Bank entered into three structured repurchase transactions with two money center banks (counterparties). These are “securities sold under agreement to repurchase” transactions with 10 year maturities. Each had an initial fixed rate for either a two or three year period, and then began floating at a rate of 7% or 8% minus the three month LIBOR rate, with a cap. Each is callable by the counterparty after the initial fixed rate term and are callable quarterly thereafter until maturity. The securities sold are mortgage-backed securities issued by agencies of the U.S. Government and were sold