XML 104 R87.htm IDEA: XBRL DOCUMENT v3.20.4
EMPLOYEE BENEFIT PLANS - 401(k) and Other plans (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
item
Defined Benefit Plan Disclosure [Line Items]      
Total 401(k) expense $ 1,200 $ 1,100 $ 1
Number of executives | item     1
Salary continuation agreement      
Defined Benefit Plan Disclosure [Line Items]      
Accrued liability 8,800 8,100  
Benefit expense 793 779 $ 752
Split-dollar life insurance agreement      
Defined Benefit Plan Disclosure [Line Items]      
Accrued liability 919 834  
Benefit expense $ 65 $ 163 $ 57