Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.20.2
Leases - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Jan. 31, 2020
Sep. 30, 2018
Lessee, Lease, Description [Line Items]            
Operating lease revenue $ 2,261,000 $ 2,243,000 $ 6,546,000 $ 6,737,000    
Net amortization expense 57,000 $ 57,000 170,000 $ 172,000    
Maximum combined funding amount         $ 150,000,000 $ 100,000,000
Available funding under lending commitment $ 130,000,000   $ 130,000,000      
Minimum            
Lessee, Lease, Description [Line Items]            
Operating lease renewal term 6 months   6 months      
Maximum            
Lessee, Lease, Description [Line Items]            
Operating lease renewal term 7 years   7 years