Significant Accounting Policies - Summary of Assets Under Management Subject to Fees (Details)	12 Months Ended
	Dec. 31, 2015 USD ($)
Assets under management (AUM) subject to incentive fees and the incentive fees
Total AUM Subject to Incentive Fees	$ 551,090,995
Incentive Fees Under Method Two
Assets under management (AUM) subject to incentive fees and the incentive fees
Performance Incentive Fees	1,454,020
Incentive Fees Under Method Two | Quarter Ended June 30, 2017
Assets under management (AUM) subject to incentive fees and the incentive fees
Performance Incentive Fees	618,134
Incentive Fees Under Method Two | Quarter Ended December 31, 2018
Assets under management (AUM) subject to incentive fees and the incentive fees
Performance Incentive Fees	430,041
Incentive Fees Under Method Two | Quarter Ended September 30, 2019
Assets under management (AUM) subject to incentive fees and the incentive fees
Performance Incentive Fees	$ 405,845