Restructuring Charges (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended			6 Months Ended
	Jan. 31, 2014	Jun. 30, 2014 branches	Mar. 31, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Expected reduction of expenses	$ 30,000,000
Restructuring charges		7,716,000	8,600,000	1,758,000	16,293,000	6,607,000
Asset impairment charges		7,358,000		0	7,358,000	0
Number of branches identified for future closing		13
Accrued liabilities		6,300,000			6,300,000
Severance Cost [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges					8,000,000
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges to be incurred in the fourth quarter		$ 6,000,000			$ 6,000,000