Loans Receivable (Risk category of gross non-covered loans not subject to risk rating ) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	$ 4,578,431	$ 4,669,192
Non Covered Loan, Not Subject To Risk Ratings [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,784,219	1,631,641
0 - 29 Days Past Due	1,459,699	1,362,392
30 - 59 Days Past Due	95,828	85,475
60 - 89 Days Past Due	40,626	28,939
90-119 Days Past Due	20,735	18,766
120 - 364 Days Past Due	40,053	31,979
365+ Days Past Due	32,374	19,161
Financing Receivable, Individually Evaluated for Impairment	94,904	84,929
Originated loans, not subject to risk rating [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,554,093	1,273,883
0 - 29 Days Past Due	1,248,995	1,028,173
30 - 59 Days Past Due	83,298	70,528
60 - 89 Days Past Due	36,472	24,116
90-119 Days Past Due	19,340	16,783
120 - 364 Days Past Due	38,710	30,193
365+ Days Past Due	32,374	19,161
Financing Receivable, Individually Evaluated for Impairment	94,904	84,929
Originated loans, not subject to risk rating [Member] \| Mortgages [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	791,751	766,265
0 - 29 Days Past Due	563,972	564,310
30 - 59 Days Past Due	33,131	43,034
60 - 89 Days Past Due	18,623	14,027
90-119 Days Past Due	13,303	12,943
120 - 364 Days Past Due	36,166	28,316
365+ Days Past Due	32,371	19,141
Financing Receivable, Individually Evaluated for Impairment	94,185	84,494
Originated loans, not subject to risk rating [Member] \| Conventional Loan [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	619,348	602,188
0 - 29 Days Past Due	521,657	520,782
30 - 59 Days Past Due	30,659	38,441
60 - 89 Days Past Due	16,916	12,716
90-119 Days Past Due	5,607	4,649
120 - 364 Days Past Due	14,432	12,129
365+ Days Past Due	13,931	4,441
Financing Receivable, Individually Evaluated for Impairment	16,146	9,030
Originated loans, not subject to risk rating [Member] \| Originated Up To The Year 2002 [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	65,744	76,512
0 - 29 Days Past Due	53,432	64,743
30 - 59 Days Past Due	3,963	6,594
60 - 89 Days Past Due	3,083	1,634
90-119 Days Past Due	1,044	868
120 - 364 Days Past Due	1,360	1,082
365+ Days Past Due	1,975	1,458
Financing Receivable, Individually Evaluated for Impairment	887	133
Originated loans, not subject to risk rating [Member] \| Originated In The Years 2003 And 2004 [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	109,669	65,117
0 - 29 Days Past Due	86,941	56,283
30 - 59 Days Past Due	10,391	4,722
60 - 89 Days Past Due	4,362	1,938
90-119 Days Past Due	1,657	56
120 - 364 Days Past Due	3,215	1,437
365+ Days Past Due	1,330	352
Financing Receivable, Individually Evaluated for Impairment	1,773	329
Originated loans, not subject to risk rating [Member] \| Originated In The Year 2005 [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	60,472	89,541
0 - 29 Days Past Due	49,275	74,016
30 - 59 Days Past Due	3,824	8,414
60 - 89 Days Past Due	2,205	2,119
90-119 Days Past Due	389	1,198
120 - 364 Days Past Due	1,673	3,037
365+ Days Past Due	1,893	573
Financing Receivable, Individually Evaluated for Impairment	1,213	184
Originated loans, not subject to risk rating [Member] \| Originated In The Year 2006 [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	85,550	120,322
0 - 29 Days Past Due	65,113	99,243
30 - 59 Days Past Due	5,263	12,055
60 - 89 Days Past Due	2,967	4,312
90-119 Days Past Due	1,242	1,148
120 - 364 Days Past Due	2,801	2,755
365+ Days Past Due	4,624	515
Financing Receivable, Individually Evaluated for Impairment	3,540	294
Originated loans, not subject to risk rating [Member] \| Originated In The Years 2007 2008 And 2009 [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	93,489	101,150
0 - 29 Days Past Due	76,246	91,920
30 - 59 Days Past Due	4,230	3,464
60 - 89 Days Past Due	1,809	1,104
90-119 Days Past Due	337	1,264
120 - 364 Days Past Due	3,986	2,844
365+ Days Past Due	2,813	554
Financing Receivable, Individually Evaluated for Impairment	4,068	0
Originated loans, not subject to risk rating [Member] \| Originated In The Years 2010 2011 2012 2013 And 2014 [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	204,424	149,546
0 - 29 Days Past Due	190,650	134,577
30 - 59 Days Past Due	2,988	3,192
60 - 89 Days Past Due	2,490	1,609
90-119 Days Past Due	938	115
120 - 364 Days Past Due	1,397	974
365+ Days Past Due	1,296	989
Financing Receivable, Individually Evaluated for Impairment	4,665	8,090
Originated loans, not subject to risk rating [Member] \| NonTraditional Mortgage [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	36,200	42,102
0 - 29 Days Past Due	30,916	35,168
30 - 59 Days Past Due	1,477	3,217
60 - 89 Days Past Due	584	1,162
90-119 Days Past Due	478	0
120 - 364 Days Past Due	600	1,324
365+ Days Past Due	2,096	833
Financing Receivable, Individually Evaluated for Impairment	49	398
Originated loans, not subject to risk rating [Member] \| Loss Mitigation Program Loan Exclude Individually Impairment Measure [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	93,443	86,318
0 - 29 Days Past Due	10,882	7,762
30 - 59 Days Past Due	995	1,376
60 - 89 Days Past Due	1,123	149
90-119 Days Past Due	802	624
120 - 364 Days Past Due	405	312
365+ Days Past Due	1,246	1,029
Financing Receivable, Individually Evaluated for Impairment	77,990	75,066
Originated loans, not subject to risk rating [Member] \| Home equity secured personal loans [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	517	736
0 - 29 Days Past Due	517	598
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
90-119 Days Past Due	0	0
120 - 364 Days Past Due	0	126
365+ Days Past Due	0	12
Financing Receivable, Individually Evaluated for Impairment	0	0
Originated loans, not subject to risk rating [Member] \| GNMA's Buy Back Option related
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	42,243	34,921
0 - 29 Days Past Due	0	0
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
90-119 Days Past Due	6,416	7,670
120 - 364 Days Past Due	20,729	14,425
365+ Days Past Due	15,098	12,826
Financing Receivable, Individually Evaluated for Impairment	0	0
Originated loans, not subject to risk rating [Member] \| Consumer Loan [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	186,760	127,744
0 - 29 Days Past Due	181,435	124,046
30 - 59 Days Past Due	2,509	1,962
60 - 89 Days Past Due	933	652
90-119 Days Past Due	841	443
120 - 364 Days Past Due	320	186
365+ Days Past Due	3	20
Financing Receivable, Individually Evaluated for Impairment	719	435
Originated loans, not subject to risk rating [Member] \| Credit Cards [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	19,071	15,241
0 - 29 Days Past Due	18,198	14,555
30 - 59 Days Past Due	360	287
60 - 89 Days Past Due	139	168
90-119 Days Past Due	171	118
120 - 364 Days Past Due	203	113
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Originated loans, not subject to risk rating [Member] \| Overdrafts [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	307	372
0 - 29 Days Past Due	287	322
30 - 59 Days Past Due	20	46
60 - 89 Days Past Due	0	4
90-119 Days Past Due	0	0
120 - 364 Days Past Due	0	0
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Originated loans, not subject to risk rating [Member] \| Unsecured personal lines of credit [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,200	1,981
0 - 29 Days Past Due	1,970	1,844
30 - 59 Days Past Due	102	33
60 - 89 Days Past Due	25	38
90-119 Days Past Due	38	25
120 - 364 Days Past Due	62	34
365+ Days Past Due	3	7
Financing Receivable, Individually Evaluated for Impairment	0	0
Originated loans, not subject to risk rating [Member] \| Unsecured personal loans [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	147,939	94,560
0 - 29 Days Past Due	144,060	92,102
30 - 59 Days Past Due	1,752	1,272
60 - 89 Days Past Due	730	399
90-119 Days Past Due	623	300
120 - 364 Days Past Due	55	39
365+ Days Past Due	0	13
Financing Receivable, Individually Evaluated for Impairment	719	435
Originated loans, not subject to risk rating [Member] \| Cash collateral personal loans [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	17,243	15,590
0 - 29 Days Past Due	16,920	15,223
30 - 59 Days Past Due	275	324
60 - 89 Days Past Due	39	43
90-119 Days Past Due	9	0
120 - 364 Days Past Due	0	0
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Originated loans, not subject to risk rating [Member] \| Auto and Leasing loans receivable
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	575,582	379,874
0 - 29 Days Past Due	503,588	339,817
30 - 59 Days Past Due	47,658	25,532
60 - 89 Days Past Due	16,916	9,437
90-119 Days Past Due	5,196	3,397
120 - 364 Days Past Due	2,224	1,691
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Accounted For Under ASC 310-20, not subject to risk rating [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	230,126	357,758
0 - 29 Days Past Due	210,704	334,219
30 - 59 Days Past Due	12,530	14,947
60 - 89 Days Past Due	4,154	4,823
90-119 Days Past Due	1,395	1,983
120 - 364 Days Past Due	1,343	1,786
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Accounted For Under ASC 310-20, not subject to risk rating [Member] \| Consumer Loan [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	45,344	56,174
0 - 29 Days Past Due	41,640	50,394
30 - 59 Days Past Due	1,527	2,413
60 - 89 Days Past Due	701	1,207
90-119 Days Past Due	628	888
120 - 364 Days Past Due	848	1,272
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Accounted For Under ASC 310-20, not subject to risk rating [Member] \| Credit Cards [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	41,848	52,199
0 - 29 Days Past Due	38,419	46,713
30 - 59 Days Past Due	1,376	2,217
60 - 89 Days Past Due	654	1,200
90-119 Days Past Due	589	828
120 - 364 Days Past Due	810	1,241
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Accounted For Under ASC 310-20, not subject to risk rating [Member] \| Unsecured personal loans [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,496	3,975
0 - 29 Days Past Due	3,221	3,681
30 - 59 Days Past Due	151	196
60 - 89 Days Past Due	47	7
90-119 Days Past Due	39	60
120 - 364 Days Past Due	38	31
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Accounted For Under ASC 310-20, not subject to risk rating [Member] \| Automobile Loan [Member]
Not Subject To Risk Rating [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	184,782	301,584
0 - 29 Days Past Due	169,064	283,825
30 - 59 Days Past Due	11,003	12,534
60 - 89 Days Past Due	3,453	3,616
90-119 Days Past Due	767	1,095
120 - 364 Days Past Due	495	514
365+ Days Past Due	0	0
Financing Receivable, Individually Evaluated for Impairment	$ 0	$ 0

Loans Receivable (Risk category of gross non-covered loans not subject to risk rating ) (Details) (USD $)
In Thousands, unless otherwise specified

Dec. 31, 2014

Dec. 31, 2013

Not Subject To Risk Rating [Line Items]

Loans and Leases Receivable, Gross, Carrying Amount

$ 4,578,431

$ 4,669,192

Non Covered Loan, Not Subject To Risk Ratings [Member]

Not Subject To Risk Rating [Line Items]

Loans and Leases Receivable, Gross, Carrying Amount

1,784,219

1,631,641