Other Assets (Trust II) (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Sep. 26, 2008
Variable Interest Entity
Sole ownership of common securities issued by Trust II	$ 315,000
Junior subordinated notes	10,062,000	$ 10,047,000
Investment in Trust II	$ 315,000	$ 315,000
Trust II
Variable Interest Entity
Sole ownership of common securities issued by Trust II			$ 315,000
Junior subordinated notes			$ 10,000,000.0
Fixed rate			10.50%