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Allowance for Loan and Lease Losses (Allowance for Acquired Eurobank Loan and Lease Losses) (Details) - Eurobank Acquired Loans - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Loan Receivable Type [Domain] |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | $ 24,971 | $ 25,174 | $ 21,281
Provision for loan and lease losses, net | 2,353 | 2,567 | 6,725
Allowance de-recognition from new policy | (12,865) | (2,770) | (2,832)
Balance at end of period | 14,459 | 24,971 | 25,174
Mortgage [Member] |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | 15,382 | 15,187 | 11,947
Provision for loan and lease losses, net | 3,588 | 1,806 | 5,045
Allowance de-recognition from new policy | (6,691) | (1,611) | (1,805)
Balance at end of period | 12,279 | 15,382 | 15,187
Commercial |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | 9,585 | 9,983 | 9,328
Provision for loan and lease losses, net | (1,235) | 761 | 1,680
Allowance de-recognition from new policy | (6,170) | (1,159) | (1,025)
Balance at end of period | 2,180 | 9,585 | 9,983
Consumer Loan [Member] |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | 4 | 4 | 6
Provision for loan and lease losses, net | 0 | 0 | 0
Allowance de-recognition from new policy | (4) | 0 | (2)
Balance at end of period | $ 0 | $ 4 | $ 4

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- Definition The Company changed the purchase credit impaired policy for all loans accounted for under ASC 310-30. Under the new policy, the Company writes-off the loans recorded investment and derecognizes the associated allowance for loan and lease losses for loans that exit the pools. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -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 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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