Goodwill and Other Intangible Assets Goodwill and Intangible Assets (Details Textual) (USD $)	3 Months Ended			6 Months Ended		12 Months Ended	6 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2014 Scenario, Forecast [Member]	Jun. 30, 2014 Pacific Western Bank [Member]
Goodwill, Impairment Loss				$ 6,645,000			$ 1,000,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years 3 months 18 days
Amortization of Intangible Assets	1,677,000	1,364,000	1,284,000	3,041,000	2,460,000	6,700,000
Aggregate Amortization Expense 2015	5,900,000			5,900,000
Aggregate Amortization Expense 2016	3,900,000			3,900,000
Aggregate Amortization Expense 2017	2,500,000			2,500,000
Aggregate Amortization Expense 2018	2,100,000			2,100,000
Aggregate Amortization Expense 2019	$ 1,700,000			$ 1,700,000