CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Common stock, par value (in dollars per share)		$ 0.001	$ 0.001
Common stock, shares authorized (in shares)		100,000,000	100,000,000
Treasury stock, common, shares (in shares)		12,323,164	17,458,810
Assets	[1]	$ 817,486	$ 728,713
Liabilities	[1]	$ 372,338	$ 367,653
Common Stock
Common stock, shares outstanding (in shares)		42,249,137	35,908,057
Variable Interest Entity, Primary Beneficiary
Assets		$ 801,288	$ 849,291
Liabilities		$ 111,318	$ 114,499
Series A Preferred Stock
Preferred stock, par value (in dollars per share)		$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)		5,000,000	5,000,000
Preferred stock, shares issued (in shares)		1,111,111	1,111,111
Preferred stock, shares outstanding (in shares)		0	0
Series B Preferred Stock
Preferred stock, par value (in dollars per share)		$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)		5,000,000	5,000,000
Preferred stock, shares issued (in shares)		555,555	555,555
Preferred stock, shares outstanding (in shares)		0	0

[1] The Company's consolidated balance sheets include the assets and liabilities of its consolidated variable interest entities ("VIEs"). The consolidated balance sheets include total assets that can be used only to settle obligations of the Company’s consolidated VIEs totaling $801.3 million and $849.3 million as of December 31, 2020 and December 31, 2019, respectively, and total liabilities of the Company’s consolidated VIEs for which creditors do not have recourse to the general credit of the primary beneficiary of $111.3 million and $114.5 million as of December 31, 2020 and December 31, 2019, respectively. See Note 18 – Variable Interest Entities (VIEs) for further detail.