XML 63 R53.htm IDEA: XBRL DOCUMENT v3.22.1
RETIREMENT PLAN - Deferred Compensation Plan (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2014
Dec. 31, 2021
Retirement Benefits [Abstract]      
Percent of EBITDA contributed   0.25%  
Contributions $ 0 $ 150  
Liability $ 242   $ 242
Vesting period 7 years    
Vesting percentage, year one 0.00%    
Vesting percentage, year two 5.00%    
Vesting percentage, year three 15.00%    
Vesting percentage, year four 20.00%    
Vesting percentage, year five 30.00%    
Vesting percentage, year six 50.00%    
Vesting percentage, year seven 100.00%    
Amount vested $ 1,413