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Leases Lease Term and Discount Rate (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Leases [Abstract]      
Right-of-use assets obtained in exchange for new operating lease liabilities $ 0   $ 4,489,000
Weighted average remaining lease term (in years) 80 years 2 months 12 days   80 years 4 months 24 days
Weighted average discount rate 5.74%   5.74%
Operating cash outflows related to operating leases $ 104,000 $ 51,000