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Loans and the Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Financing Receivable, Impaired [Line Items] |  |  |
Loans held-for-sale |  | $ 24,845 |
Non Accrual Contractual Due | 90 days |  |
Loans Pledged as Collateral | $ 2,300 | 1,900 |
Charge offs | 18,011 | 239 | $ 39,573
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans | 23,300 | 5,600 |
Troubled debt restructurings | 34,500 | 20,500 |
Current Troubled debt restructurings | 11,200 | 14,900 | 13,300
Specific allowance | 3 | $ 39 |
Troubled debt restructurings medallions | $ 18,500 |  |
Number of loans | All 15 loans were accruing prior to modification, while 14 remained in accrual status post-modification. |  |
Taxi medallion loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Charge offs | $ 1,700 |  | 36,700
Troubled debt restructurings | $ 11,200 |  |
Number of loans | 27 taxi medallion loans |  |
Commercial loans held-for-sale segment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Loans held-for-sale |  |  | $ 65,600

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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + 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)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18794-111554 + Details
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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5086-111524 + Details
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- Definition For a debtor, the gain (loss) recognized on the transfer of assets, after the impact of income tax expense or benefit, arising from the difference between the book value of the assets transferred before the restructuring and the fair value of the assets transferred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 60 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6402221&loc=d3e15743-112638 + Details
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