Deposits (Retail versus business deposits) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Deposits [Abstract]
Deposits, Retail	$ 820,063	$ 855,014
Percentage of aggregate liabilities related to retail customers	52.00%	54.00%
Deposits, Wholesale	$ 771,222	$ 715,719
Percentage of aggregate liabilities related to business customers	48.00%	46.00%
Deposits total	$ 1,591,285	$ 1,570,733
Percentage of aggregate liabilities related to all customers	100.00%	100.00%