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Loans (Recorded Investment in loans individually evaluated for impairment) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Mar. 31, 2020
Financing Receivable, Impaired [Line Items] |  |
Related allowance | $ 116,539 | $ 230,755
Originated Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | 151,229 |
Recorded Investment | 131,646 |
Related allowance | $ 15,089 |
Coverage | 0.11% |
Acquired BBVAPR Accounted for under ASC 310-20 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 926 |
Recorded Investment | 678 |
Related allowance | $ 2 |
Coverage | 0.00% |
Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 527,544 |
Recorded Investment | 497,438 |
Related allowance | $ 17,036 |
Coverage | 3.00% |
Eurobank Acquired Loans |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 70,266 |
Recorded Investment | 66,508 |
Related allowance | $ 14,458 |
Coverage | 0.22% |
Commercial impaired loans with specific allowance [Member] | Originated Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 33,454 |
Recorded Investment | 28,555 |
Related allowance | $ 8,215 |
Coverage | 0.29% |
Commercial impaired loans with specific allowance [Member] | Acquired BBVAPR Accounted for under ASC 310-20 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 926 |
Recorded Investment | 678 |
Related allowance | $ 2 |
Coverage | 0.00% |
Residential impaired and troubled-debt restructuring [Member] | Originated Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 78,666 |
Recorded Investment | 71,196 |
Related allowance | $ 6,874 |
Coverage | 0.10% |
Commercial impaired loans with no specific allowance financing receivable | Originated Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 39,109 |
Recorded Investment | $ 31,895 |
Coverage | 0.00% |
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 | $ 0 |
Recorded Investment | $ 0 |
Coverage | 0.00% |
Mortgage impaired loan pool [Member] | Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 400,964 |
Recorded Investment | 411,531 |
Related allowance | $ 9,376 |
Coverage | 2.00% |
Mortgage impaired loan pool [Member] | Eurobank Acquired Loans |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 53,090 |
Recorded Investment | 49,366 |
Related allowance | $ 12,278 |
Coverage | 0.25% |
Commercial impaired loan pool [Member] | Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 87,103 |
Recorded Investment | 84,117 |
Related allowance | $ 6,713 |
Coverage | 8.00% |
Auto impaired loan pool. | Acquired BBVAPR Accounted under ASC 310-30 [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 39,477 |
Recorded Investment | 1,790 |
Related allowance | $ 947 |
Coverage | 53.00% |
Commercial and Other Construction Loan [Member] | Eurobank Acquired Loans |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal | $ 17,176 |
Recorded Investment | 17,142 |
Related allowance | $ 2,180 |
Coverage | 0.13% |

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