Leases - Maturities of Corporation's Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Operating leases
2024	$ 799
2025	609
2026	398
2027	164
2028	122
Thereafter	1,154
Total	3,246
Imputed interest	(369)
Lease liabilities	2,877	$ 2,965
Finance leases
2024	315
2025	355
2026	364
2027	373
2028	382
Thereafter	5,255
Total	7,044
Imputed interest	(1,123)
Lease liabilities	$ 5,921	$ 6,141