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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, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Loan Receivable Type |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | $ 90,178 | $ 64,245 | $ 52,729
Provision for loan and lease losses, net | 2,255 | 38,040 | 5,680
Charge-offs | 134 | 14,610 |
FDIC Indemnification Asset Additional Estimated Losses Recoveries | 3,391 | 2,503 | 5,836
Allowance de-recognition from new policy | (74,409) |  |
Balance at end of period | 21,281 | 90,178 | 64,245
Loans secured by 1-4 family residential properties, covered [Member] |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | 22,570 | 5,469 | 2,441
Provision for loan and lease losses, net | 1,080 | 17,718 | 2,144
Charge-offs | 0 | 722 |
FDIC Indemnification Asset Additional Estimated Losses Recoveries | 3,391 | 105 | 884
Allowance de-recognition from new policy | (15,094) |  |
Balance at end of period | 11,947 | 22,570 | 5,469
Commercial and Construction |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | 67,365 | 58,511 | 49,797
Provision for loan and lease losses, net | 1,183 | 20,043 | 3,717
Charge-offs | 134 | 13,587 |
FDIC Indemnification Asset Additional Estimated Losses Recoveries | 0 | 2,398 | 4,997
Allowance de-recognition from new policy | (59,086) |  |
Balance at end of period | 9,328 | 67,365 | 58,511
Consumer Loan [Member] |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | 243 | 265 | 491
Provision for loan and lease losses, net | (8) | 279 | (181)
Charge-offs | 0 | 301 |
FDIC Indemnification Asset Additional Estimated Losses Recoveries | 0 | 0 | 45
Allowance de-recognition from new policy | (229) |  |
Balance at end of period | 6 | 243 | 265
Leasing |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance at beginning of period | 0 | 0 | 0
Provision for loan and lease losses, net | 0 | 0 | 0
Charge-offs | 0 | 0 |
FDIC Indemnification Asset Additional Estimated Losses Recoveries | 0 | 0 | 0
Allowance de-recognition from new policy | 0 |  |
Balance at end of period | $ 0 | $ 0 | $ 0

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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 increases to the indemnification asset due to additional estimated losses assumed by the Federal Deposit Insurance Corporation (FDIC), relating to loss sharing agreements with the FDIC. + References No definition available. + Details
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + 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 (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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