Lease Agreements (Schedule Of Future Minimum Lease Payments Under Non-Cancelable Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Operating Leased Assets [Line Items]
2014	$ 33,676
2015	31,431
2016	27,777
2017	25,188
2018	21,427
Thereafter	58,410
Total minimum lease payments	197,909
Ground Lease [Member]
Operating Leased Assets [Line Items]
2014	2,592
2015	2,591
2016	2,656
2017	2,751
2018	2,759
Thereafter	8,671
Total minimum lease payments	22,020
Premises Lease [Member]
Operating Leased Assets [Line Items]
2014	28,381
2015	26,137
2016	22,427
2017	19,744
2018	16,054
Thereafter	49,739
Total minimum lease payments	162,482
Equipment Lease [Member]
Operating Leased Assets [Line Items]
2014	2,703
2015	2,703
2016	2,694
2017	2,693
2018	2,614
Total minimum lease payments	$ 13,407