FHLB Advances, Other Borrowings and Subordinated Notes (Summary of Pledged Securities Related to Securities Sold Under Repurchase Agreements) (Details) - Securities sold under repurchase agreements - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Financial Instruments Owned and Pledged as Collateral [Line Items]
Securities sold under agreements to repurchase		$ 20,500	$ 10,200
Overnight Sweep Collateral
Financial Instruments Owned and Pledged as Collateral [Line Items]
Pledged financial instruments	$ 20,536
Excess collateral	12,078
Securities sold under agreements to repurchase	8,458
Overnight Sweep Collateral | Available-for-sale securities pledged | Mortgage-backed securities
Financial Instruments Owned and Pledged as Collateral [Line Items]
Pledged financial instruments	3,598
Overnight Sweep Collateral | Available-for-sale securities pledged | Collateralized mortgage obligations
Financial Instruments Owned and Pledged as Collateral [Line Items]
Pledged financial instruments	2,363
Overnight Sweep Collateral | Held-to-maturity securities pledged | U.S. Government agencies
Financial Instruments Owned and Pledged as Collateral [Line Items]
Pledged financial instruments	$ 14,575