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Leases - Components of Lease Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Leases [Abstract]    
Operating lease expense [1] $ 211 $ 210
Operating lease income [2] 212 209
Operating lease, right-of-use asset 3,377  
Operating lease, liability $ 3,414  
Weighted-average remaining lease term (in years) 6 years 6 months 3 days  
Weighted-average discount rate 3.16%  
Operating cash flows from operating leases $ 188 $ 192
[1] Includes short-term lease costs. For the three-month periods ended March 31, 2020 and 2019, short-term lease costs were nominal in amount.
[2] Operating lease income includes rental income from owned properties.