Stockholders' Equity - Additional Information (Details) $ / shares in Units, $ in Thousands			3 Months Ended				6 Months Ended	12 Months Ended
	Apr. 11, 2022 $ / shares	Jun. 01, 2009	Jun. 30, 2022 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) shares	Mar. 31, 2021 USD ($) shares	Jun. 30, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Jul. 31, 2020 shares	Aug. 10, 2018 shares
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Common stock, shares outstanding (in shares)			0				0	0
Shareholder Rights Plan
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Rights plan, amended term of agreement		3 years
Stock repurchase program expiration date	Jun. 04, 2025
Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Repurchase of stock | $			$ (1,749)
Common Equity Distribution Agreements | Common Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Issuance of stock (in shares)			0				0	0
Maximum
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Stock repurchase program, number of shares authorized to be repurchased									18,000,000
Maximum | Shareholder Rights Plan
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Rights plan price per share | $ / shares				$ 70.00
Minimum | Shareholder Rights Plan
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Rights plan price per share | $ / shares	$ 21.30
Common Class A
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Common stock, shares authorized (in shares)			450,000,000				450,000,000	450,000,000
Common stock, par value (in dollars per share) | $ / shares			$ 0.01				$ 0.01	$ 0.01
Common Stock Voting Rights Per Share Owned			1				1
Common stock, shares outstanding (in shares)			29,112,374				29,112,374	30,676,931
Stock repurchase program shares previously available to be repurchased			11,033,142				11,033,142
Repurchase of stock | $			$ 3,242	$ 3,497	$ 3,490	$ 523	$ 6,739	$ 12,475
Common Class A | Common Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Repurchase of stock (in shares)			947,570	1,009,566	855,835	(137,655)	1,957,136	3,242,371,000
Repurchase of stock | $			$ 10	$ 10	$ 9	$ 1
Common Class A | Amended New Equity Distribution Agreements | Common Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Number of shares offer and sell			11,302,160				11,302,160
Common Class A | Maximum | Amended New Equity Distribution Agreements | Common Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Number of shares offer and sell										12,597,423
Common Class A | Minimum | Shareholder Rights Plan
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Percentage of beneficial ownership of common stock		4.90%
Common Class B
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Common stock, shares authorized (in shares)			100,000,000				100,000,000
Common stock, par value (in dollars per share) | $ / shares			$ 0.01				$ 0.01
Common Stock Voting Rights Per Share Owned			3				3
7.00% Series B Cumulative Perpetual Redeemable Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Preferred stock, shares authorized (in shares)			2,000,000				2,000,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.01				$ 0.01
Series C Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Preferred stock, shares authorized (in shares)			2,500,000				2,500,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.01				$ 0.01	$ 0.01
Preferred stock, dividend rate percentage							8.25%
Preferred stock voting rights per share owned			0				0
Preferred stock, liquidation preference per share | $ / shares			$ 25.00				$ 25.00
Preferred stock, redeemable price per share | $ / shares			25.00				$ 25.00
Preferred stock, dividend payment terms							Dividends are payable quarterly in arrears on the 30th day of March, June, September and December of each year, when and as declared.
Preferred stock, annual dividend rate per share | $ / shares			$ 2.0625				$ 2.0625
Preferred stock, rate conversion date							Mar. 30, 2024
Series C Preferred Stock | LIBOR
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Preferred stock, variable dividend spread rate							5.664%
Series C Preferred Stock | Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Repurchase of stock (in shares)			72,363				72,363	0
Repurchase of stock | $			$ 1,749				$ 1,749
Undesignated Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Preferred stock, shares authorized (in shares)			20,400,000				20,400,000
Series A Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Preferred stock, shares authorized (in shares)			100,000				100,000
Preferred stock shares unissued			100,000				100,000
Series B Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.01				$ 0.01	$ 0.01
Preferred stock, dividend rate percentage							7.00%
Preferred stock voting rights per share owned			0				0
Preferred stock, liquidation preference per share | $ / shares			$ 25.00				$ 25.00
Preferred stock, redeemable price per share | $ / shares			25.00				$ 25.00
Preferred stock, dividend payment terms							Dividends are payable quarterly in arrears on the 30th day of March, June, September and December of each year, when and as declared.
Preferred stock, annual dividend rate per share | $ / shares			$ 1.75				$ 1.75
Series B Preferred Stock | Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Issuance of stock (in shares)				6,058
Series B Preferred Stock | Series B Preferred Equity Distribution Agreement | Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Issuance of stock (in shares)							6,058	37,337
Number of Shares Offer and Sell			1,602,566				1,602,566
Weighted average public offering price | $ / shares							$ 24.87	$ 24.99
Proceeds net of selling commissions and expenses | $							$ 149	$ 919
Series B Preferred Stock | Maximum | Series B Preferred Equity Distribution Agreement | Preferred Stock
Share based Compensation Arrangement by Share based Payment Award [Line Items]
Number of Shares Offer and Sell			1,647,370				1,647,370