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Loans Receivable (Recorded Investment in loans individually evaluated for impairment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Financing Receivable, Impaired [Line Items] |  |
Allowance for loan and lease losses | $ 234,131 | $ 133,762
Non-Acquired Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | 350,252 | 344,102
Recorded Investment | 325,267 | 330,455
Allowance for loan and lease losses | $ 65,180 | $ 9,809
Coverage | 11.00% | 3.00%
Acquired BBVAPR Accounted for under ASC 310-20 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 486 | $ 672
Recorded Investment | 474 | 672
Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | 1,137,377 | 415,826
Recorded Investment | 1,017,976 | 369,258
Allowance for loan and lease losses | $ 25,785 | $ 13,481
Coverage | 3.00% | 4.00%
Eurobank Acquired Loans |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 241,305 | $ 293,588
Recorded Investment | 236,964 | 204,253
Allowance for loan and lease losses | $ 90,178 | $ 64,245
Coverage | 38.00% | 31.00%
Commercial impaired loans with specific allowance [Member] | Non-Acquired Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 210,718 | $ 6,349
Recorded Investment | 199,366 | 6,226
Allowance for loan and lease losses | $ 55,947 | $ 841
Coverage | 13.00% | 14.00%
Residential troubled-debt restructuring impaired loans with specific allowance [Member] | Non-Acquired Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 97,424 | $ 99,947
Recorded Investment | 89,973 | 94,185
Allowance for loan and lease losses | $ 9,233 | $ 8,968
Coverage | 9.00% | 10.00%
Commercial impaired loans with no specific allowance financing receivable | Non-Acquired Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 42,110 | $ 237,806
Recorded Investment | 35,928 | 230,044
Commercial impaired loans with no specific allowance financing receivable | Acquired BBVAPR Accounted for under ASC 310-20 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | 486 | 672
Recorded Investment | 474 | 672
Mortgage impaired loan pool [Member] | Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | 608,294 | 289,228
Recorded Investment | 608,294 | 255,619
Allowance for loan and lease losses | $ 1,761 | $ 5,506
Coverage | 0.00% | 2.00%
Commercial impaired loan pool [Member] | Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 287,311 | $ 90,786
Recorded Investment | 168,107 | 83,751
Allowance for loan and lease losses | $ 15,455 | $ 7,970
Coverage | 9.00% | 10.00%
Construction impaired loan pool [Member] | Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 88,180 | $ 35,812
Recorded Investment | 87,983 | 29,888
Allowance for loan and lease losses | $ 5,707 | $ 5
Coverage | 6.00% | 0.00%
Auto impaired loan pool. | Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 153,592 |
Recorded Investment | 153,592 |
Allowance for loan and lease losses | $ 2,862 |
Coverage | 2.00% |
Consumer impaired loan pool. | Eurobank Acquired Loans |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 6,713 | $ 7,992
Recorded Investment | 2,314 | 4,506
Allowance for loan and lease losses | $ 243 | $ 389
Coverage | 11.00% | 9.00%
Loans secured by 1-4 family residential properties, covered [Member] | Eurobank Acquired Loans |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 101,444 | $ 134,579
Recorded Investment | 92,273 | 106,116
Allowance for loan and lease losses | $ 22,570 | $ 15,522
Coverage | 24.00% | 15.00%
Commercial and Other Construction Loan [Member] | Eurobank Acquired Loans |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 133,148 | $ 151,017
Recorded Investment | 142,377 | 93,631
Allowance for loan and lease losses | $ 67,365 | $ 48,334
Coverage | 47.00% | 52.00%

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- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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