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Leases - Components of Lease Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Leases [Abstract]    
Operating lease expense [1] $ 36 $ 209
Operating lease income [2] 214 209
Operating lease right-of-use assets 2,154  
Operating lease liabilities $ 2,228  
Weighted-average remaining lease term (in years) 5 years 9 months 10 days  
Weighted-average discount rate 3.30%  
Operating cash flows from operating leases $ 35 $ 176
[1] Includes short-term lease costs. For the three-month periods ended March 31, 2022 and 2021, short-term lease costs were nominal in amount.
[2] Operating lease income includes rental income from owned properties.