Debt Schedule of Long-term Debt instruments (Details) - Junior Subordinated Debt - USD ($)	Dec. 31, 2021	Dec. 31, 2020
ACST II
Debt Instrument [Line Items]
Face amount	$ 10,000,000	$ 10,000,000
Variable Interest Rate	3.28%	3.37%
Fixed Interest Rate resulting from cash flow hedge agreement	4.00%	4.00%
ACST III
Debt Instrument [Line Items]
Face amount	$ 10,000,000	$ 10,000,000
Variable Interest Rate	2.13%	2.22%
Fixed Interest Rate resulting from cash flow hedge agreement	2.86%	2.86%