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Significant Accounting Policies - Additional Information (Detail)	1 Months Ended	3 Months Ended
	Mar. 31, 2019 USD ($) $ / shares	Mar. 31, 2019 USD ($) $ / shares
Accounting Policies [Abstract]
Provision for federal income taxes		$ 0
Minimum days required to stay for tax liability		183 days
Dividend payable, amount per share | $ / shares	$ 0.04939	$ 0.04939
Dividend payable, date to be paid	Apr. 08, 2019
Dividends Payable, date of record	Apr. 02, 2019
Dividends payable	$ 74,085	$ 74,085

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Date the declared dividend will be paid, in CCYY-MM-DD format.

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