Goodwill and Other Intangible Assets Goodwill and Intangible Assets (Details Textual) (USD $)	3 Months Ended			9 Months Ended		12 Months Ended	3 Months Ended			9 Months Ended		3 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2014 Scenario, Forecast [Member]	Sep. 30, 2014 CDI and CRI [Member]	Jun. 30, 2014 CDI and CRI [Member]	Sep. 30, 2013 CDI and CRI [Member]	Sep. 30, 2014 CDI and CRI [Member]	Sep. 30, 2013 CDI and CRI [Member]	Jun. 30, 2014 CDI and CRI [Member] CapitalSource Inc. [Member]
Goodwill, Impairment Loss	$ 0	$ 6,600,000		$ 6,645,000
Impairment of Intangible Assets, Finite-lived	0	804,000	0	804,000	0		0	1,300,000	0	1,300,000	0	500,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 years 6 months 20 days
Amortization of Intangible Assets	1,608,000	1,677,000	1,512,000	4,649,000	3,972,000	6,700,000
Aggregate Amortization Expense 2015	6,000,000			6,000,000
Aggregate Amortization Expense 2016	4,100,000			4,100,000
Aggregate Amortization Expense 2017	2,300,000			2,300,000
Aggregate Amortization Expense 2018	2,000,000			2,000,000
Aggregate Amortization Expense 2019	$ 1,700,000			$ 1,700,000