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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2017
Commitments and Contingencies [Abstract] |
Summary of estimated future minimum lease payments under noncancelable operating leases |
(dollars in thousands) |  | For the years ended December 31,
2018 |  |  | $ | 1,635
2019 |  |  |  | 1,763
2020 |  |  |  | 1,798
2021 |  |  |  | 1,831
2022 |  |  |  | 1,119
Thereafter |  |  |  | 5,642
|  |  | $ | 13,788

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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