Loans Receivable (Aging of recorded investment in gross loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	$ 4,169,896	$ 4,245,364
Originated Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	64,912	57,678
60 - 89 Days Past Due	43,895	43,274
Greater than 90 Days Past Due	86,342	96,685
Total Past Due	195,149	197,637
Current but Non-Accrual Loans	11,568	12,245
Current	2,884,888	2,836,388
Total Loans	3,091,605	3,046,270
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	1,884	2,863
Originated Loan [Member] | Mortgage Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	13,001	10,574
60 - 89 Days Past Due	19,291	21,942
Greater than 90 Days Past Due	62,847	75,668
Total Past Due	95,139	108,184
Current but Non-Accrual Loans	3,727	4,291
Current	600,424	609,019
Total Loans	699,290	721,494
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	1,884	2,863
Originated Loan [Member] | Traditional loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	1,653	1,663
60 - 89 Days Past Due	11,839	14,239
Greater than 90 Days Past Due	35,509	44,716
Total Past Due	49,001	60,618
Current but Non-Accrual Loans	806	692
Current	516,337	523,779
Total Loans	566,144	585,089
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	667	1,139
Originated Loan [Member] | Originated Up To The Year 2002 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	193	196
60 - 89 Days Past Due	1,406	2,176
Greater than 90 Days Past Due	2,930	3,371
Total Past Due	4,529	5,743
Current but Non-Accrual Loans	0	0
Current	43,252	44,542
Total Loans	47,781	50,285
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	168	158
Originated Loan [Member] | Originated In The Years 2003 And 2004 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	333	156
60 - 89 Days Past Due	3,162	3,872
Greater than 90 Days Past Due	6,319	7,272
Total Past Due	9,814	11,300
Current but Non-Accrual Loans	299	181
Current	76,028	79,226
Total Loans	86,141	90,707
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Originated In The Year 2005 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	106	0
60 - 89 Days Past Due	2,247	1,952
Greater than 90 Days Past Due	3,500	4,306
Total Past Due	5,853	6,258
Current but Non-Accrual Loans	284	180
Current	39,796	43,571
Total Loans	45,933	50,009
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Originated In The Year 2006 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	262	506
60 - 89 Days Past Due	1,641	2,905
Greater than 90 Days Past Due	5,882	6,261
Total Past Due	7,785	9,672
Current but Non-Accrual Loans	185	94
Current	56,871	59,534
Total Loans	64,841	69,300
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Originated In The Years 2007 2008 And 2009 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	435	409
60 - 89 Days Past Due	1,693	1,439
Greater than 90 Days Past Due	8,653	11,732
Total Past Due	10,781	13,580
Current but Non-Accrual Loans	38	111
Current	60,375	63,038
Total Loans	71,194	76,729
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	335	398
Originated Loan [Member] | Originated In The Years 2010 2011 2012 2013 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	324	349
60 - 89 Days Past Due	1,506	1,772
Greater than 90 Days Past Due	6,845	10,417
Total Past Due	8,675	12,538
Current but Non-Accrual Loans	0	126
Current	124,191	127,196
Total Loans	132,866	139,860
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	164	583
Originated Loan [Member] | Originated In Years 2014, 2015, 2016 and 2017 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	47
60 - 89 Days Past Due	184	123
Greater than 90 Days Past Due	1,380	1,357
Total Past Due	1,564	1,527
Current but Non-Accrual Loans	0	0
Current	115,824	106,672
Total Loans	117,388	108,199
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Home equity secured personal loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Current but Non-Accrual Loans	0	0
Current	332	337
Total Loans	332	337
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | NonTraditional Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	161	498
Greater than 90 Days Past Due	4,303	4,730
Total Past Due	4,464	5,228
Current but Non-Accrual Loans	0	0
Current	16,011	17,631
Total Loans	20,475	22,859
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Loss Mitigation Program [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	11,348	8,911
60 - 89 Days Past Due	7,291	7,205
Greater than 90 Days Past Due	13,806	16,541
Total Past Due	32,445	32,657
Current but Non-Accrual Loans	2,921	3,599
Current	67,744	67,272
Total Loans	103,110	103,528
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	1,217	1,724
Originated Loan [Member] | Total Traditional, non-traditional and loss mitigation program [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	13,001	10,574
60 - 89 Days Past Due	19,291	21,942
Greater than 90 Days Past Due	53,618	65,987
Total Past Due	85,910	98,503
Current but Non-Accrual Loans	3,727	4,291
Current	600,092	608,682
Total Loans	689,729	711,476
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	1,884	2,863
Originated Loan [Member] | GNMA's Buy Back Option related
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	9,229	9,681
Total Past Due	9,229	9,681
Current but Non-Accrual Loans	0	0
Current	0	0
Total Loans	9,229	9,681
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	2,558	1,092
60 - 89 Days Past Due	2,090	510
Greater than 90 Days Past Due	13,509	11,197
Total Past Due	18,157	12,799
Current but Non-Accrual Loans	7,052	7,514
Current	1,245,635	1,257,553
Total Loans	1,270,844	1,277,866
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	1,350	154
60 - 89 Days Past Due	1,242	410
Greater than 90 Days Past Due	12,156	10,167
Total Past Due	14,748	10,731
Current but Non-Accrual Loans	5,130	5,942
Current	747,918	756,990
Total Loans	767,796	773,663
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Corporate Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Current but Non-Accrual Loans	0	0
Current	226,979	242,770
Total Loans	226,979	242,770
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Institutional Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	254	254
Total Past Due	254	254
Current but Non-Accrual Loans	0	0
Current	46,806	26,546
Total Loans	47,060	26,800
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Middle Market Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	60
Greater than 90 Days Past Due	3,601	3,319
Total Past Due	3,601	3,379
Current but Non-Accrual Loans	634	1,304
Current	224,571	230,298
Total Loans	228,806	234,981
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Retail Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	1,350	154
60 - 89 Days Past Due	1,242	350
Greater than 90 Days Past Due	8,301	6,594
Total Past Due	10,893	7,098
Current but Non-Accrual Loans	4,496	4,638
Current	230,863	237,992
Total Loans	246,252	249,728
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Floor Plan Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Current but Non-Accrual Loans	0	0
Current	2,916	2,989
Total Loans	2,916	2,989
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Real Estate Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Current but Non-Accrual Loans	0	0
Current	15,783	16,395
Total Loans	15,783	16,395
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Other Commercial and Industrial[Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	1,208	938
60 - 89 Days Past Due	848	100
Greater than 90 Days Past Due	1,353	1,030
Total Past Due	3,409	2,068
Current but Non-Accrual Loans	1,922	1,572
Current	497,717	500,563
Total Loans	503,048	504,203
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Corporate Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Current but Non-Accrual Loans	0	0
Current	161,839	136,438
Total Loans	161,839	136,438
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Institutional Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Current but Non-Accrual Loans	0	0
Current	128,479	180,285
Total Loans	128,479	180,285
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Middle Market Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	881	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	881	0
Current but Non-Accrual Loans	1,227	1,278
Current	84,158	80,355
Total Loans	86,266	81,633
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Retail Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	327	930
60 - 89 Days Past Due	848	100
Greater than 90 Days Past Due	1,300	969
Total Past Due	2,475	1,999
Current but Non-Accrual Loans	695	294
Current	85,673	71,412
Total Loans	88,843	73,705
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Floor Plan Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	8
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	53	61
Total Past Due	53	69
Current but Non-Accrual Loans	0	0
Current	37,568	32,073
Total Loans	37,621	32,142
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Consumer Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	3,439	3,298
60 - 89 Days Past Due	2,056	1,808
Greater than 90 Days Past Due	1,781	1,647
Total Past Due	7,276	6,753
Current but Non-Accrual Loans	699	259
Current	306,292	283,503
Total Loans	314,267	290,515
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Credit Cards [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	442	527
60 - 89 Days Past Due	288	283
Greater than 90 Days Past Due	636	525
Total Past Due	1,366	1,335
Current but Non-Accrual Loans	0	0
Current	26,308	25,023
Total Loans	27,674	26,358
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Overdrafts [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	29	16
60 - 89 Days Past Due	13	12
Greater than 90 Days Past Due	20	5
Total Past Due	62	33
Current but Non-Accrual Loans	0	0
Current	167	174
Total Loans	229	207
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Unsecured personal lines of credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	59	41
60 - 89 Days Past Due	0	4
Greater than 90 Days Past Due	29	32
Total Past Due	88	77
Current but Non-Accrual Loans	0	0
Current	2,188	2,327
Total Loans	2,276	2,404
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Unsecured personal loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	2,693	2,474
60 - 89 Days Past Due	1,752	1,489
Greater than 90 Days Past Due	1,096	1,081
Total Past Due	5,541	5,044
Current but Non-Accrual Loans	699	259
Current	262,728	240,969
Total Loans	268,968	246,272
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Cash collateral personal loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	216	240
60 - 89 Days Past Due	3	20
Greater than 90 Days Past Due	0	4
Total Past Due	219	264
Current but Non-Accrual Loans	0	0
Current	14,901	15,010
Total Loans	15,120	15,274
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Originated Loan [Member] | Auto and Leasing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	45,914	42,714
60 - 89 Days Past Due	20,458	19,014
Greater than 90 Days Past Due	8,205	8,173
Total Past Due	74,577	69,901
Current but Non-Accrual Loans	90	181
Current	732,537	686,313
Total Loans	807,204	756,395
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	3,322	4,566
60 - 89 Days Past Due	1,476	1,772
Greater than 90 Days Past Due	1,965	1,797
Total Past Due	6,763	8,135
Current but Non-Accrual Loans	0	944
Current	62,481	82,371
Total Loans	69,244	91,450
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	78	130
60 - 89 Days Past Due	32	34
Greater than 90 Days Past Due	1,104	452
Total Past Due	1,214	616
Current but Non-Accrual Loans	0	929
Current	4,136	4,017
Total Loans	5,350	5,562
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	28	33
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	1,057	329
Total Past Due	1,085	362
Current but Non-Accrual Loans	0	929
Current	1,148	1,242
Total Loans	2,233	2,533
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Retail Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	28	33
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	98	110
Total Past Due	126	143
Current but Non-Accrual Loans	0	0
Current	0	0
Total Loans	126	143
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Floor Plan Commercial Secured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	959	219
Total Past Due	959	219
Current but Non-Accrual Loans	0	929
Current	1,148	1,242
Total Loans	2,107	2,390
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Other Commercial and Industrial[Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	78	97
60 - 89 Days Past Due	32	34
Greater than 90 Days Past Due	1,104	123
Total Past Due	1,214	254
Current but Non-Accrual Loans	0	0
Current	4,136	2,775
Total Loans	5,350	3,029
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Retail Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	50	97
60 - 89 Days Past Due	32	34
Greater than 90 Days Past Due	45	121
Total Past Due	127	252
Current but Non-Accrual Loans	0	0
Current	2,988	2,775
Total Loans	3,115	3,027
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Floor Plan Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	2	2
Total Past Due	2	2
Current but Non-Accrual Loans	0	0
Current	0	0
Total Loans	2	2
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Consumer Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	809	784
60 - 89 Days Past Due	213	383
Greater than 90 Days Past Due	536	828
Total Past Due	1,558	1,995
Current but Non-Accrual Loans	0	0
Current	28,675	30,867
Total Loans	30,233	32,862
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Credit Cards [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	676	736
60 - 89 Days Past Due	203	369
Greater than 90 Days Past Due	489	708
Total Past Due	1,368	1,813
Current but Non-Accrual Loans	0	0
Current	26,206	28,280
Total Loans	27,574	30,093
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Unsecured personal loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	133	48
60 - 89 Days Past Due	10	14
Greater than 90 Days Past Due	47	120
Total Past Due	190	182
Current but Non-Accrual Loans	0	0
Current	2,469	2,587
Total Loans	2,659	2,769
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	0	0
Acquired BBVAPR Accounted for under ASC 310-20 [Member] | Auto Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 - 59 Days Past Due	2,435	3,652
60 - 89 Days Past Due	1,231	1,355
Greater than 90 Days Past Due	325	517
Total Past Due	3,991	5,524
Current but Non-Accrual Loans	0	15
Current	29,670	47,487
Total Loans	33,661	53,026
Financing Receivable Recorded Investment 90 Days Past Due And Stil lAccruing	$ 0	$ 0