XML 19 R54.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes - Components of Pre-tax Income and Comprehensive Provision for Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Provision for income taxes:      
Deferred income tax benefit $ (7,713) $ 1,981 $ (756)
Tax provision attributable to continuing operations 1,415 2,544 1,867
Tax provision attributable to continuing operations 1,415 2,544 1,867
Comprehensive provision for income tax allocable to:      
Tax provision attributable to continuing operations 1,415 2,544 1,867
Discontinued operations 3,484 4,876 3,877
Tax Provision Excluding Discontinued Operations [Member]
      
Provision for income taxes:      
Currently payable 1,633 2,677 2,680
Deferred income tax benefit (218) (133) (813)
Tax provision attributable to continuing operations 1,415 2,544 1,867
Expected tax expense, at the U.S. federal statutory income tax rate of 35% 1,729 2,117 1,857
State income taxes and other, net 173 337 231
Tax credits (170) (251) (221)
Valuation allowance (317) 341  
Tax provision attributable to continuing operations 1,415 2,544 1,867
Comprehensive provision for income tax allocable to:      
Tax provision attributable to continuing operations 1,415 2,544 1,867
Discontinued operations 5,397 4,876 3,877
Total $ 6,812 $ 7,420 $ 5,744