XML 117 R104.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefit Plans - Components of and Weighted-Average Assumptions Used in Determining Net Periodic Benefit Costs (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Components of net periodic benefit cost:      
Service cost—benefits earned during year $ 2,500 $ 2,283 $ 2,248
Interest cost on projected benefit obligation 3,416 4,507 5,266
Expected return on plan assets (11,207) (10,433) (8,869)
Amortization of prior service (credit) cost (34) (34) 26
Amortization of net loss 2,736 3,192 3,240
Net periodic pension (income) cost (2,589) (485) 1,911
Other changes in plan assets and benefit obligations recognized in other comprehensive income:      
Net (gain) loss for the period (16,290) 432 2,946
Prior service credit   (313)  
Amortization of prior service credit (cost) 34 34 (26)
Amortization of net loss (2,736) (3,192) (3,240)
Total recognized in other comprehensive (income) loss (18,992) (3,039) (320)
Total recognized in net periodic pension cost and other comprehensive income $ (21,581) $ (3,524) $ 1,591
Weighted-average assumptions used to determine net periodic pension cost:      
Discount rate 2.74% 3.38% 4.48%
Rate of compensation increase 3.30% 3.53% 3.62%
Expected long-term return on assets 6.11% 6.30% 6.30%
Farmers Capital Bank Corporation Postretirement Medical Benefit Plan [Member]      
Components of net periodic benefit cost:      
Interest cost on projected benefit obligation $ 230 $ 360  
Amortization of prior service (credit) cost (224) (224)  
Amortization of net loss 43 67  
Net periodic pension (income) cost 49 203  
Other changes in plan assets and benefit obligations recognized in other comprehensive income:      
Net (gain) loss for the period (1,097) 302  
Amortization of prior service credit (cost) 224 224  
Amortization of net loss (43) (67)  
Total recognized in other comprehensive (income) loss (916) 459  
Total recognized in net periodic pension cost and other comprehensive income $ (867) $ 662  
Weighted-average assumptions used to determine net periodic pension cost:      
Discount rate 2.40% 1.97%