XML 27 R22.htm IDEA: XBRL DOCUMENT
v3.19.3

Summary of Significant Accounting Policies (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2019
Accounting Policies [Abstract] |
Cash, Cash Equivalents and Restricted Cash | The following tables reconcile cash, cash equivalents and restricted cash per the condensed consolidated statements of cash flows to the condensed consolidated balance sheet for each respective period:
|  | As of
|  | September 30, 2019 |  | December 31, 2018
Cash and cash equivalents |  | $ | 78,095,231 |  |  | $ | 100,652,809 |
Restricted cash-short term |  | 11,053,200 |  |  | 11,452,078 |
Restricted cash-long term |  | 87,079,574 |  |  | 68,292,023 |
Cash, cash equivalents and restricted cash |  | $ | 176,228,005 |  |  | $ | 180,396,910 |
|  | September 30, 2018 |  | December 31, 2017
Cash and cash equivalents |  | $ | 103,985,265 |  |  | $ | 19,857,833 |
Restricted cash-short term |  | 4,095,369 |  |  | 10,701,305 |
Restricted cash-long term |  | — |  |  | 6,542,448 |
Cash, cash equivalents and restricted cash |  | $ | 108,080,634 |  |  | $ | 37,101,586 |

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration