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CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Interest income: |  |  |
Loans held-for-sale | $ 21 | $ 56 | $ 54
Loans and leases, including fees | 183,125 | 194,448 | 213,932
Accretion on acquired loans | 22,607 | 12,586 | 26,740
Loans, including fees | 205,753 | 207,090 | 240,726
Investment securities: |  |  |
Taxable | 32,025 | 37,310 | 49,720
Tax-advantaged | 22,718 | 23,640 | 25,394
Total investment income | 54,743 | 60,950 | 75,114
Dividends from FHLB stock | 671 | 242 | 324
Federal funds sold | 616 | 995 | 868
Interest-earning deposits with other institutions | 439 | 443 | 257
Total interest income | 262,222 | 269,720 | 317,289
Interest expense: |  |  |
Deposits | 5,911 | 8,708 | 18,253
Borrowings | 16,662 | 23,002 | 36,354
Junior subordinated debentures | 2,699 | 3,329 | 3,365
Total interest expense | 25,272 | 35,039 | 57,972
Net interest income before provision for credit losses | 236,950 | 234,681 | 259,317
Provision for credit losses |  | 7,068 | 61,200
Net interest income after provision for credit losses | 236,950 | 227,613 | 198,117
Noninterest income: |  |  |
Impairment loss on investment securities |  | (254) | (317)
Plus: Reclassification of credit-related impairment loss from other comprehensive income |  | (402) | (587)
Net impairment loss on investment securities recognized in earnings |  | (656) | (904)
Service charges on deposit accounts | 16,106 | 15,768 | 16,745
Trust and investment services | 8,169 | 8,683 | 8,363
Bankcard services | 3,650 | 3,144 | 2,776
BOLI income | 2,973 | 3,259 | 3,125
Gain on sale of securities, net |  |  | 38,900
Increase (decrease) in FDIC loss sharing asset, net | (21,916) | 171 | (15,856)
Other | 6,921 | 3,847 | 3,965
Total noninterest income | 15,903 | 34,216 | 57,114
Noninterest expense: |  |  |
Salaries and employee benefits | 68,496 | 69,993 | 69,419
Occupancy and equipment | 15,473 | 16,583 | 19,348
Professional services | 6,249 | 15,031 | 13,308
Software licenses and maintenance | 4,269 | 3,669 | 5,031
Promotion | 4,869 | 4,977 | 6,084
Amortization of intangibles | 2,159 | 3,481 | 3,732
Debt termination expense | 20,379 | 3,310 | 18,663
OREO expense | 2,146 | 6,729 | 7,490
Other | 14,120 | 17,252 | 25,417
Total noninterest expense | 138,160 | 141,025 | 168,492
Earnings before income taxes | 114,693 | 120,804 | 86,739
Income taxes | 37,413 | 39,071 | 23,804
Net earnings | 77,280 | 81,733 | 62,935
Other comprehensive income: |  |  |
Unrealized gain on securities arising during the period | 3,074 | 61,490 | 3,160
Less: Reclassification adjustment for net gain on securities included in net income |  | (656) | (37,996)
Other comprehensive income, before tax | 3,074 | 60,834 | (34,836)
Less: income tax related to items of other comprehensive income | (1,292) | (25,550) | 14,631
Other comprehensive income, net of tax | 1,782 | 35,284 | (20,205)
Comprehensive income | $ 79,062 | $ 117,017 | $ 42,730
Basic earnings per common share | $ 0.74 | $ 0.77 | $ 0.59
Diluted earnings per common share | $ 0.74 | $ 0.77 | $ 0.59
Cash dividends declared per common share | $ 0.34 | $ 0.34 | $ 0.34

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- Definition Current period recognition due to accretion of the excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7514592&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 03-3 -Paragraph 16 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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