Securities (Schedule of Unrealized Loss on Investments) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Held-To-Maturity Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	$ 14,508	$ 36,802
Less than 12 months, unrealized loss	85	1,000
More than 12 months, fair value	22,382	9,231
More than 12 months, unrealized loss	652	314
Total, fair value	36,890	46,033
Total, unrealized loss	737	1,314
Held-To-Maturity Securities [Member] | Asset Backed Securities Issued By Others [Member]
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value		97
More than 12 months, fair value	1,291	2,399
More than 12 months, unrealized loss	112	157
Total, fair value	1,291	2,496
Total, unrealized loss	112	157
Held-To-Maturity Securities [Member] | Asset-backed securities issued by GSEs [Member]
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	14,508	36,705
Less than 12 months, unrealized loss	85	1,000
More than 12 months, fair value	21,091	6,832
More than 12 months, unrealized loss	540	157
Total, fair value	35,599	43,537
Total, unrealized loss	625	1,157
Available-For-Sale Securities [Member] | Asset-backed securities issued by GSEs [Member]
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	294	28,669
Less than 12 months, unrealized loss		1,016
More than 12 months, fair value	26,856	8,352
More than 12 months, unrealized loss	830	463
Total, fair value	27,150	37,021
Total, unrealized loss	$ 830	$ 1,479