Deposits (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Deposits [Abstract]
1 year or less	$ 474,530,000	$ 461,207,000
Over 1 year to 2 years	61,100,000	123,397,000
Over 2 years to 3 years	21,682,000	35,235,000
Over 3 years to 4 years	14,211,000	20,045,000
Over 4 years to 5 years	18,993,000	15,368,000
Over 5 years	5,033,000	6,029,000
Total certificates of deposit	595,549,000	661,281,000
FDIC Insurance Limit	250,000
Time Deposits, $250,000 or more	176,000,000	111,100,000
Deposit liabilities, collateral issued	471,200,000	443,100,000
Deposit liabilities, reclassified	$ 889,000	$ 1,100,000