Premises and Equipment (Summary of Premises and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 47,081	$ 25,449
Less: accumulated depreciation and amortization	21,988	20,211
Premises and equipment, net	25,093	5,238
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	15,455	14,715
Building and land [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	20,775	1,215
Construction and fixed assets in progress [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	49	70
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	7,866	6,831
Computer software [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 2,936	$ 2,618