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Loans (Credit Quality Indicator of loans) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	$ 3,884,280	$ 3,745,072
Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	193,192
Pass	191,477
Special Mention	35
Substandard	1,543
Doubtful	137
Loss	0
Commercial Secured [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	856,499	813,435
Pass	754,575	678,159
Special Mention	55,835	63,178
Substandard	46,089	72,098
Doubtful	0	0
Loss	0	0
Commercial Secured [Member] | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	785	1,036
Pass	21	94
Special Mention	0	0
Substandard	764	942
Doubtful	0	0
Loss	0	0
Commercial Secured [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	34,881
Pass	33,306
Special Mention	35
Substandard	1,504
Doubtful	36
Loss	0
Corporate | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	238,643	289,052
Pass	214,474	246,711
Special Mention	16,905	26,544
Substandard	7,264	15,797
Doubtful	0	0
Loss	0	0
Institutional | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	137,610	69,613
Pass	128,169	59,509
Special Mention	349	0
Substandard	9,092	10,104
Doubtful	0	0
Loss	0	0
Middle Market | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	205,838	207,463
Pass	153,984	151,638
Special Mention	32,624	32,638
Substandard	19,230	23,187
Doubtful	0	0
Loss	0	0
Retail | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	228,529	220,925
Pass	212,069	195,213
Special Mention	5,957	3,996
Substandard	10,503	21,716
Doubtful	0	0
Loss	0	0
Retail | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	54
Pass	0	0
Special Mention	0	0
Substandard	0	54
Doubtful	0	0
Loss	0	0
Retail | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	34,881
Pass	33,306
Special Mention	35
Substandard	1,504
Doubtful	36
Loss	0
Floor Plan | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,337	4,184
Pass	3,337	2,890
Special Mention	0	0
Substandard	0	1,294
Doubtful	0	0
Loss	0	0
Floor Plan | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	785	982
Pass	21	94
Special Mention	0	0
Substandard	764	888
Doubtful	0	0
Loss	0	0
Floor Plan | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0
Pass	0
Special Mention	0
Substandard	0
Doubtful	0
Loss	0
Real Estate | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	17,083	19,009
Pass	17,083	19,009
Special Mention	0	0
Substandard	0	0
Doubtful	0	0
Loss	0	0
US Loan Program | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	25,459	3,189
Pass	25,459	3,189
Special Mention	0	0
Substandard	0	0
Doubtful	0	0
Loss	0	0
Other commercial and industrial [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	810,995	784,153
Pass	784,590	729,167
Special Mention	16,484	41,852
Substandard	9,921	13,134
Doubtful	0	0
Loss	0	0
Other commercial and industrial [Member] | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,356	1,510
Pass	1,356	1,510
Special Mention	0	0
Substandard	0	0
Doubtful	0	0
Loss	0	0
Other commercial and industrial [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	158,311
Pass	158,171
Special Mention	0
Substandard	39
Doubtful	101
Loss	0
Corporate | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	137,350	179,885
Pass	134,982	154,629
Special Mention	2,368	25,256
Substandard	0	0
Doubtful	0	0
Loss	0	0
Corporate | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,402
Pass	4,402
Special Mention	0
Substandard	0
Doubtful	0
Loss	0
Institutional | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	190,741	156,410
Pass	190,741	156,410
Special Mention	0	0
Substandard	0	0
Doubtful	0	0
Loss	0	0
Middle Market | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	71,533	87,967
Pass	63,540	63,876
Special Mention	2,518	13,737
Substandard	5,475	10,354
Doubtful	0	0
Loss	0	0
Retail | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	119,872	89,934
Pass	115,551	86,882
Special Mention	84	318
Substandard	4,237	2,734
Doubtful	0	0
Loss	0	0
Retail | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,356	1,510
Pass	1,356	1,510
Special Mention	0	0
Substandard	0	0
Doubtful	0	0
Loss	0	0
Retail | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	153,909
Pass	153,769
Special Mention	0
Substandard	39
Doubtful	101
Loss	0
Floor Plan | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	44,363	49,679
Pass	42,490	47,092
Special Mention	1,664	2,541
Substandard	209	46
Doubtful	0	0
Loss	0	0
Floor Plan | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Pass	0	0
Special Mention	0	0
Substandard	0	0
Doubtful	0	0
Loss	0	0
US Loan Program | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	247,136	220,278
Pass	237,286	220,278
Special Mention	9,850	0
Substandard	0	0
Doubtful	0	0
Loss	0	0
Commercial | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,141
Total Commercial subject to risk rating [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,667,494	1,597,588
Pass	1,539,165	1,407,326
Special Mention	72,319	105,030
Substandard	56,010	85,232
Doubtful	0	0
Loss	0	0
Total Commercial subject to risk rating [Member] | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	195,333	2,546
Pass	192,854	1,604
Special Mention	35	0
Substandard	2,307	942
Doubtful	137	0
Loss	0	0
Retail [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,216,786	2,147,484
Pass	2,170,665	2,056,307
Special Mention	0	0
Substandard	46,121	91,177
Doubtful	0	0
Loss	0	0
Retail [Member] | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	20,929	28,423
Pass	20,528	27,825
Special Mention	0	0
Substandard	401	598
Doubtful	0	0
Loss	0	0
Retail [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	303,772
Pass	303,545
Special Mention	0
Substandard	227
Doubtful	0
Loss	0
Mortgage Loan [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	577,416	668,809
Pass	547,683	592,834
Special Mention	0	0
Substandard	29,733	75,975
Doubtful	0	0
Loss	0	0
Mortgage Loan [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	322,179
Pass	257,803
Special Mention	0
Substandard	64,376
Doubtful	0
Loss	0
Traditional loan | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	462,554	527,732
Pass	452,239	493,952
Special Mention	0	0
Substandard	10,315	33,780
Doubtful	0	0
Loss	0	0
Traditional loan | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	257,803
Pass	257,803
Special Mention	0
Substandard	0
Doubtful	0
Loss	0
NonTraditional Mortgage [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	9,637	14,273
Pass	8,665	11,188
Special Mention	0	0
Substandard	972	3,085
Doubtful	0	0
Loss	0	0
Loss Mitigation Program [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	94,197	106,833
Pass	86,556	87,444
Special Mention	0	0
Substandard	7,641	19,389
Doubtful	0	0
Loss	0	0
Home equity secured personal loans [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	223	250
Pass	223	250
Special Mention	0	0
Substandard	0	0
Doubtful	0	0
Loss	0	0
Option on Loans | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	10,805	19,721
Pass	0	0
Special Mention	0	0
Substandard	10,805	19,721
Doubtful	0	0
Loss	0	0
Option on Loans | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	64,376
Pass	0
Special Mention	0
Substandard	64,376
Doubtful	0
Loss	0
Consumer Loan [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	361,638	348,980
Pass	359,476	347,272
Special Mention	0	0
Substandard	2,162	1,708
Doubtful	0	0
Loss	0	0
Consumer Loan [Member] | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	20,794	23,988
Pass	20,422	23,590
Special Mention	0	0
Substandard	372	398
Doubtful	0	0
Loss	0	0
Consumer Loan [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	112,757
Pass	112,545
Special Mention	0
Substandard	212
Doubtful	0
Loss	0
Credit Cards [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	27,614	28,034
Pass	27,068	27,623
Special Mention	0	0
Substandard	546	411
Doubtful	0	0
Loss	0	0
Credit Cards [Member] | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	18,814	21,822
Pass	18,464	21,442
Special Mention	0	0
Substandard	350	380
Doubtful	0	0
Loss	0	0
Credit Cards [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	28,774
Pass	28,774
Special Mention	0
Substandard	0
Doubtful	0
Loss	0
Overdrafts [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	216	214
Pass	165	204
Special Mention	0	0
Substandard	51	10
Doubtful	0	0
Loss	0	0
Unsecured personal lines of credit [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,778	1,917
Pass	1,769	1,895
Special Mention	0	0
Substandard	9	22
Doubtful	0	0
Loss	0	0
Unsecured personal lines of credit [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	50,836
Pass	50,624
Special Mention	0
Substandard	212
Doubtful	0
Loss	0
Unsecured personal loans [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	314,687	303,119
Pass	313,425	301,857
Special Mention	0	0
Substandard	1,262	1,262
Doubtful	0	0
Loss	0	0
Unsecured personal loans [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	33,147
Pass	33,147
Special Mention	0
Substandard	0
Doubtful	0
Loss	0
Cash collateral personal loans [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	17,343	15,696
Pass	17,049	15,693
Special Mention	0	0
Substandard	294	3
Doubtful	0	0
Loss	0	0
Personal loans [Member] | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,980	2,166
Pass	1,958	2,148
Special Mention	0	0
Substandard	22	18
Doubtful	0	0
Loss	0	0
Auto and Leasing [Member] | Originated Loan [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,277,732	1,129,695
Pass	1,263,506	1,116,201
Special Mention	0	0
Substandard	14,226	13,494
Doubtful	0	0
Loss	0	0
Auto Loan [Member] | Acquired loans (under ASC 310-20) [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	135	4,435
Pass	106	4,235
Special Mention	0	0
Substandard	29	200
Doubtful	0	0
Loss	0	0
Auto Loan [Member] | Acquired Scotiabank PR & USVI Accounted for under ASC 310-20 [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	191,015
Pass	191,000
Special Mention	0
Substandard	15
Doubtful	0
Loss	0
Total Commercial and Retail Loans Subject To Risk Rating Member [Member]
Credit Quality Indicators [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,726,493	3,776,041
Pass	4,484,559	3,493,062
Special Mention	72,354	105,030
Substandard	169,443	177,949
Doubtful	137	0
Loss	$ 0	$ 0

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Loans classified as loss are considered uncollectible and of such little value that their continuance as bankable assets is not warranted. This classification does not mean that the asset has absolutely no recovery or salvage value, but rather that it is not practical or desirable to defer writing off this worthless loan even though partial recovery may be effected in the future.

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A category of financing receivables that have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

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A category of financing receivables not considered to be special mention, substandard, doubtful, and loss receivables.

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A category of financing receivables considered to have potential weaknesses that deserve management's close attention. If left uncorrected, those potential weaknesses may result in a deterioration of the repayment prospects for the asset or of the creditor's position at some future date.

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A category of financing receivables that are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the creditor will sustain some loss if the deficiencies are not corrected.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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