Leases - Maturities of Lease Liabilities (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Operating Leases
January 2020 - December 2020	$ 1,531,000
January 2021 - December 2021	1,348,000
January 2022 - December 2022	1,157,000
January 2023 - December 2023	1,168,000
January 2024 - December 2024	1,175,000
Thereafter	2,001,000
Total payments under lease agreements	8,380,000
Less imputed interest	(1,240,000)
Total lease liabilities	7,140,000
Finance Leases
January 2020 - December 2020	2,367,000
January 2021 - December 2021	56,000
January 2022 - December 2022	37,000
January 2023 - December 2023	8,000
Total payments under lease agreements	2,468,000
Less imputed interest	(56,000)
Total lease liabilities	$ 2,412,000	$ 5,125,000