Finance Receivables And Allowance For Credit Losses (Schedule Of Past Due Financing Receivables) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
30-59 Days Past Due		$ 20,430
60-89 Days Past Due		5,035
Recorded Investment > 90 Days and Accruing		572
Nonaccrual		70,945
Total Past Due		96,982
Current		3,646,469
Commercial [Member]
30-59 Days Past Due	2,459	2,543
60-89 Days Past Due	3,336	583
Recorded Investment > 90 Days and Accruing	408	79
Nonaccrual	37,739	25,488
Total Past Due	43,942	28,693
Current	1,202,347	1,182,706
Commercial Real Estate - Construction [Member]
30-59 Days Past Due	0	0
60-89 Days Past Due	1,434	0
Recorded Investment > 90 Days and Accruing	0	0
Nonaccrual	6,232	0
Total Past Due	7,666	0
Current	42,450	101,016
Commercial Real Estate - Other [Member]
30-59 Days Past Due	1,185	992
60-89 Days Past Due	859	98
Recorded Investment > 90 Days and Accruing	490	0
Nonaccrual	66,485	30,416
Total Past Due	69,019	31,506
Current	1,009,239	809,873
Consumer, Heloc [Member]
30-59 Days Past Due	423	849
60-89 Days Past Due	166	477
Recorded Investment > 90 Days and Accruing	9	189
Nonaccrual	1,228	1,903
Total Past Due	1,826	3,418
Current	243,860	244,875
Consumer, Auto [Member]
30-59 Days Past Due	5,054	5,791
60-89 Days Past Due	900	1,316
Recorded Investment > 90 Days and Accruing	153	120
Nonaccrual	2,149	2,331
Total Past Due	8,256	9,558
Current	479,727	487,544
Consumer, Other [Member]
30-59 Days Past Due	1,623	1,129
60-89 Days Past Due	381	972
Recorded Investment > 90 Days and Accruing	98	184
Nonaccrual	1,725	2,088
Total Past Due	3,827	4,373
Current	161,950	175,184
Residential [Member]
30-59 Days Past Due	6,016	9,126
60-89 Days Past Due	1,049	1,589
Recorded Investment > 90 Days and Accruing	0	0
Nonaccrual	9,234	8,719
Total Past Due	16,299	19,434
Current	849,652	645,271
Covered Loans [Member]
30-59 Days Past Due	12,626
60-89 Days Past Due	1,713
Recorded Investment > 90 Days and Accruing	692
Nonaccrual	199,028
Total Past Due	214,059
Current	497,207
Total Loans [Member]
30-59 Days Past Due	29,386
60-89 Days Past Due	9,838
Recorded Investment > 90 Days and Accruing	1,850
Nonaccrual	323,820
Total Past Due	364,894
Current	$ 4,486,432