Investment Securities (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Carrying value of securities pledged	$ 254,670,000		$ 254,670,000		$ 315,530,000
Securities classified as trading	0		0		0
Net gains	(37,000)	1,000	106,000	(12,000)
Transferred From Available-For-Sale to Held-To-Maturity [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Securities transferred from available-for-sale to held-to-maturity, remaining unamortized balance	4,520,000		4,520,000
Securities transferred from available-for-sale to held-to-maturity, remaining unamortized balance, net of tax	2,940,000		2,940,000
CLOs [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Net gains			$ 35,750,000