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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 | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Loan Receivable Type |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance at beginning of period | $ 21,787 | $ 22,116 | $ 21,281 | $ 90,178
Provision for loan and lease losses, net | 2,541 | 819 | 4,573 | 2,655
Charge-offs |  | 818 |  | 134
FDIC Indemnification Asset Additional Estimated Losses Recoveries |  |  |  | 3,213
Allowance de-recognition from new policy | (1,182) | (941) | (2,708) | (73,100)
Balance at end of period | 23,146 | 22,812 | 23,146 | 22,812
Loans secured by 1-4 family residential properties, covered [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 13,651 | 11,016 | 11,947 | 22,570
Provision for loan and lease losses, net | 1,139 | 893 | 4,011 | 1,077
Charge-offs |  | 818 |  | 0
FDIC Indemnification Asset Additional Estimated Losses Recoveries |  |  |  | 3,213
Allowance de-recognition from new policy | (571) | (459) | (1,739) | (14,592)
Balance at end of period | 14,219 | 12,268 | 14,219 | 12,268
Commercial |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 8,131 | 11,096 | 9,328 | 67,365
Provision for loan and lease losses, net | 1,402 | (74) | 562 | 1,585
Charge-offs |  | 0 |  | 134
FDIC Indemnification Asset Additional Estimated Losses Recoveries |  |  |  | 0
Allowance de-recognition from new policy | (611) | (478) | (968) | (58,272)
Balance at end of period | 8,922 | 10,544 | 8,922 | 10,544
Consumer Loan [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 5 | 4 | 6 | 243
Provision for loan and lease losses, net | 0 | 0 | 0 | (7)
Charge-offs |  | 0 |  | 0
FDIC Indemnification Asset Additional Estimated Losses Recoveries |  |  |  | 0
Allowance de-recognition from new policy | 0 | (4) | (1) | (236)
Balance at end of period | $ 5 | $ 0 | $ 5 | $ 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=66008989&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=66008989&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=66902209&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=66008989&loc=SL6953423-111524 + Details
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