XML 110 R111.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Tax - Reconciliation of Income Taxes (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Currently payable      
Federal $ 11,143 $ 9,166 $ 12,079
State 140    
Deferred      
Federal 1,787 1,277 331
State 233    
Revaluation of deferred tax assets     2,426
Total income tax expense 13,303 10,443 14,836
Reconciliation of federal statutory to actual tax expense      
Federal statutory income tax at 21% in 2019 and 2018 35% in 2017 16,767 13,348 16,783
Tax exempt interest (2,977) (1,982) (2,699)
Tax exempt income (587) (448) (638)
Stock compensation (324) (384) (546)
Revaluation of deferred tax assets     2,426
Other tax exempt income (313) (260) (456)
State tax 295    
Nondeductible and other 442 169 (34)
Total income tax expense $ 13,303 $ 10,443 $ 14,836