5.BORROWINGS

Short-term Borrowings



The Company classifies all borrowings that will mature within a year from the date on which the Company enters into them as short-term borrowings.  Total short-term borrowings consist primarily of advances from the FHLB, federal funds purchased (which are secured overnight borrowings from other financial institutions), and other lines of credit.  Also included in total short-term borrowings are securities sold under agreements to repurchase, which are secured transactions with customers and generally mature the day following the date sold.  Total short-term borrowings consist of the following as of March 31, 2016 and December 31, 2015 (dollars in thousands): 





The Bank maintains federal funds lines with several correspondent banks; the remaining available balance was $172.0 million and $175.0 million at March  31, 2016 and December 31, 2015, respectively.  The Company has certain restrictive covenants related to certain asset quality, capital, and profitability metrics associated with these lines and is considered to be in compliance with these covenants.  Additionally, the Company had a collateral dependent line of credit with the FHLB of up to $1.5  billion   at March  31, 2016 and December 31, 2015, respectively. 



Long-term Borrowings



In connection with two bank acquisitions prior to 2006, the Company issued trust preferred capital notes to fund the cash portion of those acquisitions, collectively totaling $58.5 million.  In connection with the acquisition of StellarOne, the Company acquired trust preferred capital notes totaling $32.0 million with a remaining fair value discount of $6.9 million at March 31, 2016.  The trust preferred capital notes currently qualify for Tier 1 capital of the Company for regulatory purposes. 





As part of a prior acquisition, the Company assumed subordinated debt with terms of LIBOR plus 1.45% and a maturity date of April 2016.  At March  31, 2016, the carrying value of the subordinated debt was $17.5 million, with a remaining fair value discount of $41,000. 

On August 23, 2012, the Company modified its fixed rate FHLB advances to floating rate advances, which resulted in reducing the Company’s FHLB borrowing costs.  In connection with this modification, the Company incurred a prepayment penalty of $19.6 million on the original advances, which is included as a component of long-term borrowings in the Company’s Consolidated Balance Sheets.  In accordance with ASC 470-50, Modifications and Extinguishments, the Company will amortize this prepayment penalty over the term of the modified advances using the effective rate method.  The amortization expense is included as a component of interest expense on long-term borrowings in the Company’s Consolidated Statements of Income.  Amortization expense for the three months ended March  31, 2016 and 2015 was $463,000 and $447,000, respectively. 



In connection with the StellarOne acquisition, the Company assumed $70.0 million in long-term borrowings with the FHLB of which there is $60.0 million remaining at March 31, 2016 that had a remaining fair value premium of $1.1 million.    



As of March 31, 2016, the Company had long-term advances from the FHLB consisting of the following (dollars in thousands):











As of December 31, 2015, the Company had long-term advances from the FHLB consisting of the following (dollars in thousands):





The carrying value of the loans and securities pledged as collateral for FHLB advances totaled $1.9 billion as of March  31, 2016 and December 31, 2015, respectively.



As of March 31, 2016, the contractual maturities of long-term debt are as follows for the years ending (dollars in thousands):