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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Taxes [Abstract] |  |  |  |
Statutory tax rate | 37.50% | 39.00% |  |
Deferred tax asset, net | $ 162,478 | $ 176,740 |  |
Effective tax rate | 21.62% | 28.46% | 36.44% |
Unrecognized tax benefits | $ 728 | $ 2,668 | $ 875 | $ 1,260
Unrecognized tax benefits, income tax penalties and interest accrued | 50 | 51 |  |
Deferred Tax Assets Valuation Allowance | 8,842 | 6,585 |  |
Net increase in unrecognized tax benefit | (1,900) |  |  |
Exempt Income | 15,200 | 11,800 | 11,000 |
Deferred Tax Assets Gross | 366,022 | 392,920 |  |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance | 2,267 | 1,217 | 1,504 |
Increase in valuation allowance | 2,300 |  |  |
Unrecognized Tax Benefits Interest On Income Taxes Accrued | 728 | 2,700 |  |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations | 1,990 | 439 | 466 |
Scotiabank Of Puerto Rico [Member] |  |  |  |
Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount | 30,400 |  |  |
Deferred Tax Assets Gross | 59,900 |  |  |
International Banking Entity [Member] |  |  |  |
Exempt Income | $ 4,100 | $ 10,300 | $ 5,300 |

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