Fair Value of Financial Instruments (Schedule of Fair Value, Assets Measured on Recurring Basis) (Details) - Mortgage-Backed Securities - Fair Value, Measurements, Recurring $ in Thousands	Dec. 31, 2015 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities, at fair value	$ 56,884
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities, at fair value	0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities, at fair value	56,884
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities, at fair value	$ 0