Fair value of junior subordinated debentures
The Company recognized a $0.6 million loss from the change in fair value of junior subordinated debentures during the third quarter of 2012. The majority of the fair value difference over par value relates to the $61.8 million of junior subordinated debentures issued in the third quarter of 2007, which carry interest rate spreads of 135 and 275 basis points over the 3 month LIBOR. As of September 30, 2012, the credit risk adjusted interest spread for potential new issuances was estimated to be significantly higher than the contractual spread. The difference between these spreads has created a cumulative gain in fair value of the Company’s junior subordinated debentures, which results from their carrying amount compared to the estimated amount that would be paid to transfer the liability in an orderly transaction among market participants.
As these instruments are no longer being originated or actively traded in the primary or secondary markets, the quarterly fair value adjustments are difficult to estimate. We utilize an income approach valuation technique to determine the fair value of these liabilities using our estimation of market discount rate assumptions. The Company monitors activity in the trust preferred and related markets, to the extent available, changes related to the current and anticipated future interest rate environment, and considers our entity-specific creditworthiness, to validate the reasonableness of the credit risk adjusted spread and effective yield utilized in our discounted cash flow model. Absent changes to the significant inputs utilized in the discounted cash flow model used to measure the fair value of these instruments at each reporting period, the cumulative discount for each junior subordinated debenture will reverse over time, ultimately returning the carrying values of these instruments to their notional values at their expected redemption dates.
Under a recently issued notice of proposed rulemaking by federal banking regulators to revise the regulatory capital rules to incorporate certain revisions by the Basel Committee on Banking Supervision to the Basel capital framework (Basel III), the trust preferred security debt issuances would be phased out of Tier 1 capital into Tier 2 capital over a 10 year period. If the proposed rulemaking becomes effective, it is possible the Company may accelerate redemption of the existing junior subordinated debentures. This could result in adjustments to the fair value of these instruments including the acceleration of losses on junior subordinated debentures carried at fair value within non-interest income. As of September 30, 2012, the total par value of junior subordinated debentures carried at fair value was $134.0 million, and the fair value was $84.5 million.