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SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE AND OTHER BORROWED FUNDS
6 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]  
SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE AND OTHER BORROWED FUNDS
SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE AND OTHER BORROWED FUNDS
Other borrowed funds as of the dates indicated were as follows:
 
 
June 30, 2018
 
December 31, 2017
 
 
 
 
 
 
 
(Dollars in thousands)
Federal Home Loan Bank advances
 
412,000

 
$
325,000

Repurchase agreements
 
4,141

 
5,173

Total
 
$
416,141

 
$
330,173


Federal Home Loan Bank Advances — The Company has an available borrowing arrangement with the Federal Home Loan Bank (the “FHLB”), which allows the Company to borrow on a collateralized basis. At June 30, 2018 and December 31, 2017, total unused borrowing capacity of $777.7 million and $948.2 million, respectively, was available under this arrangement. At June 30, 2018, $412.0 million was outstanding with an average interest rate of 2.16% and all of the Company’s FHLB advances will mature within two years. At December 31, 2017, $325.0 million was outstanding with an average interest rate of 1.41% and all of the Company’s FHLB advances will mature within one year. These borrowings are collateralized by a blanket lien on certain real estate loans and unpledged securities in safekeeping. The total borrowing capacity decreased due to increased utilization. The Company utilizes these borrowings to meet liquidity needs and to fund certain loans in its loan portfolio.
Federal Reserve Bank — The Company has an available borrower in custody arrangement with the Federal Reserve Bank of Dallas (the “Dallas Fed”), which allows the Company to borrow, on a collateralized basis. Certain commercial and consumer loans are pledged under this arrangement. The Company maintains this borrowing arrangement to meet liquidity needs pursuant to its liquidity risk management program. At June 30, 2018 and December 31, 2017, $487.9 million and $384.5 million, respectively, were available under this arrangement and no borrowings were outstanding. 
Securities Sold Under Agreements to Repurchase — Securities sold by the Company under agreements to repurchase represent the purchase of interests in securities by its customers. Securities sold under agreements to repurchase are stated at the amount of cash received in connection with the transaction. Repurchase agreements are settled on the following business day. All securities sold under agreements to repurchase are collateralized by pledged securities. The securities underlying the repurchase agreements are held in safekeeping by the Bank’s safekeeping agent.
Federal Funds Purchased  — The Company has available federal funds lines of credit with its correspondent banks. As of June 30, 2018 and December 31, 2017, there were no federal funds purchased outstanding.