Nonperforming loans as a percentage of total loans was 1.48 percent as of March 31, 2013, which was a decline from 1.67 percent as of December 31, 2012 and 2.71 percent as of March 31, 2012. Total nonperforming assets (which include nonaccrual loans, loans past due 90 days or more and still accruing, and foreclosed assets) as a percentage of total assets as of March 31, 2013 totaled 1.48 percent, which was a decline from 1.71 percent as of December 31, 2012 and 2.54 percent as of March 31, 2012. The decline in nonperforming assets was due primarily to the Company's continuing efforts to resolve legacy problem assets while maximizing the value of those assets. These resolution efforts have included a combination of asset sales through various channels and successful loan workout plans.
Non-interest income in the first quarter of 2013 totaled $3.5 million while non-interest income totaled $1.5 million in the 2012 Successor Period and $657 thousand in the 2012 Predecessor Period. Government-guaranteed lending income totaled $1.1 million in the first quarter of 2013, which included gains on sales of the guaranteed portion of certain SBA loans originated by the Company as well as servicing fees on previously sold SBA loans. The Company sells the guaranteed portion of certain SBA loans in the secondary market without recourse and recognizes gains as those loans are sold at a premium. SBA lending and sales volumes have increased significantly over the past year while secondary market premiums have also risen.
Securities gains totaled $1.1 million in the first quarter of 2013 as the Company sold the majority of its municipal bonds for balance sheet management and tax purposes. Additionally, mortgage banking income, service charges and fees on deposit accounts, and bank-owned life insurance income totaled $391 thousand, $515 thousand and $195 thousand, respectively, in the first quarter of 2013.