Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues:
Investment banking	$ 203,235	$ 151,192	$ 562,060	$ 410,992
Institutional brokerage	86,764	46,814	265,246	113,983
Interest income	2,095	6,481	11,225	20,911
Investment income/(loss)	15,080	(1,575)	4,987	17,622
Total revenues	307,174	202,912	843,518	563,508
Interest expense	3,455	2,177	11,193	7,813
Net revenues	303,719	200,735	832,325	555,695
Non-interest expenses:
Compensation and benefits	209,660	126,868	611,344	346,471
Outside services	9,395	7,842	27,733	24,864
Occupancy and equipment	13,849	9,594	39,356	26,368
Communications	11,169	7,885	33,899	22,599
Marketing and business development	537	6,528	13,164	21,355
Deal-related expenses	13,543	6,387	29,687	17,840
Trade execution and clearance	3,666	3,770	15,129	6,593
Restructuring and integration costs	1,592	6,143	7,218	12,538
Intangible asset amortization	11,607	1,229	33,122	2,735
Other operating expenses	4,052	3,454	23,656	9,235
Total non-interest expenses	279,070	179,700	834,308	490,598
Income/(loss) from continuing operations before income tax expense/(benefit)	24,649	21,035	(1,983)	65,097
Income tax expense/(benefit)	5,674	6,717	(1,400)	10,729
Income/(loss) from continuing operations	18,975	14,318	(583)	54,368
Income from discontinued operations, net of tax	0	26,077	0	23,772
Net income/(loss)	18,975	40,395	(583)	78,140
Net income/(loss) applicable to noncontrolling interests	7,358	(2,847)	1,073	5,087
Net income/(loss) applicable to Piper Sandler Companies	11,617	43,242	(1,656)	73,053
Net income/(loss) applicable to Piper Sandler Companies' common shareholders	11,617	42,442	(1,656)	69,529
Amounts applicable to Piper Sandler Companies
Net income/(loss) from continuing operations	11,617	17,165	(1,656)	49,281
Net income from discontinued operations	0	26,077	0	23,772
Net income/(loss) applicable to Piper Sandler Companies	$ 11,617	$ 43,242	$ (1,656)	$ 73,053
Earnings/(loss) per basic common share
Income/(loss) from continuing operations (in dollars per share)	$ 0.84	$ 1.23	$ (0.12)	$ 3.46
Loss from discontinued operations (in dollars per share)	0	1.87	0	1.69
Earnings/(loss) per basic common share (in dollars per share)	0.84	3.09	(0.12)	5.15
Earnings/(loss) per diluted common share
Income/(loss) from continuing operations (in dollars per share)	0.78	1.20	(0.12)	3.37
Loss from discontinued operations (in dollars per share)	0	1.82	0	1.64
Earnings/(loss) per diluted common share (in dollars per share)	0.78	3.01	(0.12)	5.01
Dividends declared per common share (in dollars per share)	$ 0.30	$ 0.38	$ 1.63	$ 2.14
Weighted average common shares outstanding
Basic (in shares)	13,778	13,708	13,789	13,502
Diluted (in shares)	14,853	14,085	14,580	13,882