Premises and Equipment (Summary of Premises and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Premises and Equipment [Line Items]
Premises and equipment, gross	$ 24,473	$ 24,586
Less: accumulated depreciation and amortization	15,805	15,121
Premises and equipment, net	8,668	9,465
Leasehold improvements [Member]
Premises and Equipment [Line Items]
Premises and equipment, gross	15,307	15,703
Building and land [Member]
Premises and Equipment [Line Items]
Premises and equipment, gross	1,215	1,215
Construction and fixed assets in progress [Member]
Premises and Equipment [Line Items]
Premises and equipment, gross	14	110
Furniture and equipment [Member]
Premises and Equipment [Line Items]
Premises and equipment, gross	5,941	5,683
Computer software [Member]
Premises and Equipment [Line Items]
Premises and equipment, gross	$ 1,996	$ 1,875