Stockholders' Equity (Details) - USD ($)					1 Months Ended							12 Months Ended
	Oct. 08, 2019	Jul. 11, 2019	Jul. 13, 2018	Aug. 12, 2010	Jul. 30, 2021	Mar. 16, 2017	Sep. 24, 2014	Jul. 30, 2010	Mar. 28, 2007	Mar. 20, 2007	May 16, 2006	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Stockholders' Equity (Details) [Line Items]
Shares of common stock (in Shares)												11,890,500	12,131,350
Stock issued price per share (in Dollars per share)			$ 25					$ 15.2				$ 12,250,000
Stock issued at value													$ 26,835,203
Affiliates purchased (in Shares)								986,842
Total proceeds received								$ 15,000,000
Cash payment in lieu of shares				$ 230
Shares of our common stock outstanding (in Shares)				2,680,842								11,890,500	12,131,350
Repurchase plan, description							On September 24, 2014, the Company announced the approval of an open market share repurchase plan that allowed it to repurchase up to 200,000 shares of its common stock at prices below its NAV as reported in its then most recently published consolidated financial statements (the “Share Repurchase Plan”). On October 7, 2015, our board of directors extended the Share Repurchase Plan for another year and increased the number of shares the Company is permitted to repurchase at prices below its NAV, as reported in its then most recently published consolidated financial statements, to 400,000 shares of its common stock. On October 5, 2016, our board of directors extended the Share Repurchase Plan for another year to October 15, 2017 and increased the number of shares the Company is permitted to repurchase at prices below its NAV, as reported in its then most recently published consolidated financial statements, to 600,000 shares of its common stock. On October 10, 2017, January 8, 2019 and January 7, 2020, our board of directors extended the Share Repurchase Plan for another year to October 15, 2018, January 15, 2020 and January 15, 2021, respectively, each time leaving the number of shares unchanged at 600,000 shares of its common stock. On May 4, 2020, our board of directors increased the Share Repurchase Plan to 1.3 million shares of common stock. On January 5, 2021 and January 4, 2022, our board of directors extended the Shares Repurchase Plan for another year to January 15, 2022 and January 15, 2023, respectively, each time leaving the number of shares unchanged at 1.3 million shares of common stock. On January 9, 2023, our board of directors extended the Share Repurchase Plan for another year to January 15, 2024, increasing the number of shares to 1.7 million shares of common stock. As of February 28, 2023, the Company purchased 946,627 shares of common stock, at the average price of $21.83 for approximately $20.7 million pursuant to the Share Repurchase Plan. During the three months ended February 28, 2023 the Company purchased 48,594 shares of common stock, at the average price $25.19 for approximately $1.2 million pursuant to the Share Repurchase Plan. During the year ended February 28, 2023, the Company purchased 438,192 shares of common stock, at the average price $24.70 for approximately $10.8 million pursuant to the Share Repurchase Plan.
Offer for sale					$ 150,000,000	$ 30,000,000
Amount of common stock	$ 130,000,000	$ 70,000,000	$ 1,150,000
Number of shares sold (in Shares)												4,840,361
Gross proceeds												$ 123,900,000
Common stock par value (in Dollars per share)			$ 0.001									$ 0.001	$ 0.001
Sale of stock, description			The net proceeds, after deducting underwriting commissions of $1.15 million and offering costs of approximately $0.2 million, amounted to approximately $27.4 million.
Additional common stock (in Shares)			172,500
Maximum [Member]
Stockholders' Equity (Details) [Line Items]
Aggregate net proceeds												$ 122,400,000
Minimum [Member]
Stockholders' Equity (Details) [Line Items]
Aggregate net proceeds			$ 28,750,000
IPO [Member]
Stockholders' Equity (Details) [Line Items]
Shares of common stock (in Shares)									725,000
Stock issued price per share (in Dollars per share)									$ 150
Total proceeds									$ 7,100,000
Underwriting discounts and commissions									1,000,000
Offering costs									$ 100,700,000
GSC Group [Member]
Stockholders' Equity (Details) [Line Items]
Shares issued (in Shares)											67
Owned shares (in Shares)										6.7
Exchanged shares (in Shares)										6.7
GSC Group [Member] | Maximum [Member]
Stockholders' Equity (Details) [Line Items]
Shares of common stock (in Shares)										95,995.5
Employees Of GSC Group, Inc [Member] | Minimum [Member]
Stockholders' Equity (Details) [Line Items]
Shares of common stock (in Shares)										8,136.2
GSC Group, Inc And Employees Of GSC Group, Inc [Member]
Stockholders' Equity (Details) [Line Items]
Stock issued at value										$ 15,600,000
Ladenburg Thalmann Co Inc [Member]
Stockholders' Equity (Details) [Line Items]
Number of shares sold (in Shares)														3,922,018
Gross proceeds														$ 97,100,000
Average price (in Dollars per share)												$ 25.61		$ 24.77
Ladenburg Thalmann Co Inc [Member] | Maximum [Member]
Stockholders' Equity (Details) [Line Items]
Aggregate net proceeds														$ 95,900,000
LLC [Member]
Stockholders' Equity (Details) [Line Items]
Contributing amount											$ 1,000
GSC Group, Inc And Employees Of GSC Group, Inc [Member]
Stockholders' Equity (Details) [Line Items]
Stock issued price per share (in Dollars per share)										$ 150