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Benefit Plans - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2015
Defined Benefit Plan Disclosure [Line Items]      
Contributions by employer on retirement benefits $ 0 $ 0  
Deferred compensation plan 2,830,000 3,188,000 $ 0
401 K      
Defined Benefit Plan Disclosure [Line Items]      
Matching contributions to the plan 161,000 113,000  
Supplemental Executive Retirement Plan      
Defined Benefit Plan Disclosure [Line Items]      
Monthly benefit obligation $ 8,333    
Retirement plan description If the executive dies after benefit payments have commenced but before receiving a total of 180 monthly payments, the Company shall pay to the executive’s beneficiary the greater of (i) the account balance or (ii) the present value of the remaining payments to satisfy a total of 180 monthly payments. Such death benefit shall be payable in a lump sum no later than 60 days from the date of death. If the executive dies after receiving 180 or more benefit payments, the SERP will terminate and no additional payments will be made.    
Defined benefit plan related expense $ 410,000 29,000  
Defined benefit plan earnings 5,000 0  
Supplemental Executive Retirement Plan | Other Liabilities      
Defined Benefit Plan Disclosure [Line Items]      
Accrued liability for defined benefit plan 439,000 29,000  
Supplemental Executive Retirement Plan | Other Assets      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan carrying value $ 952,000 $ 947,000