Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Earnings Per Share, Basic and Diluted

The computation of earnings per share is as follows:

	Year Ended December 31,
	2020		2019		2018
	(dollars and share data in thousands, except per share data)
Net income (loss)	$	207,064	55,870		$	79,879
Net income (loss) attributable to non-controlling interests in consolidated subsidiaries and investment funds	(9,299)		31,239		37,060
Net income (loss) attributable to Cowen Inc.	216,363		24,631		42,819
Preferred stock dividends	6,792		6,792		6,792
Net income (loss) attributable to Cowen Inc. common stockholders	$	209,571	$	17,839	$	36,027
Shares for basic and diluted calculations:
Weighted average shares used in basic computation	27,790		29,525		29,545
Contingently issuable common stock in connection with an acquisition (see Note 3)	85		26		—
Restricted stock	1,644		1,735		1,190
Weighted average shares used in diluted computation	29,519		31,286		30,735
Earnings (loss) per share:
Basic	$	7.54	$	0.60	$	1.22
Diluted	$	7.10	$	0.57	$	1.17