Reportable Segments Segments Text Disclosures (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013 segments	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Number of Reportable Segments																	3
Restructuring expense																	$ 0	$ 5,911	$ 8,055
Net income from discontinued operations	1,968	[1]	1,321	[1]	2,781	[1]	1,722	[1]	1,819	[1]	1,672	[1]	2,590	[1]	1,554	[1]	7,792	7,635	6,184
Private Banking Segment [Member]
Segment Reporting Information [Line Items]
Restructuring expense																		4,000	5,500
Holding Company and Eliminations Segment [Member]
Segment Reporting Information [Line Items]
Restructuring expense																		$ 1,900	$ 2,600

[1] Due to rounding, the sum of the four quarters may not add to the year to date total.