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Summary of Significant Accounting Policies - Impact of Recently Issued Accounting Standards - Impact of Adopting ASU 2016-02 (Details) - USD ($) | Dec. 31, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Deferred rent | $ 0 |  | $ 1,065,387
Deferred rent, non-current portion | 0 |  | 8,518,207
Operating right-of-use assets | 13,783,009 | $ 14,634,769 |
Operating lease liability | 2,074,842 | 1,733,600 | $ 0
Operating lease liability, net of current portion | $ 20,409,922 | 22,484,763 |
Previously Reported |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Deferred rent |  | 1,065,387 |
Deferred rent, non-current portion |  | 8,518,207 |
Impact of Adoption |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Deferred rent |  | (1,065,387) |
Deferred rent, non-current portion |  | (8,518,207) |
Operating right-of-use assets |  | 14,634,769 |
Operating lease liability |  | 1,733,600 |
Operating lease liability, net of current portion |  | $ 22,484,763 |

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- Definition For a classified balance sheet, the cumulative difference as of the balance sheet date between the payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, within one year of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39927-112707 + Details
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- Definition For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.26(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39927-112707 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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