Consolidated Statements of Stockholders’ Equity and Redeemable Preferred Stock - USD ($) $ in Thousands	Total	Compstar Holding Company LLC	Initial Public Offering	Class C - Non Voting	Series B Preferred Stock	Preferred Stock	Common Stock	Common Stock Compstar Holding Company LLC	Common Stock Initial Public Offering	Common Stock Class A - Non Voting	Common Stock Class B - Voting	Common Stock Class B - Non Voting	Common Stock Class C - Non Voting	Additional Paid in Capital	Additional Paid in Capital Compstar Holding Company LLC	Additional Paid in Capital Initial Public Offering	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Deficit)	Retained Earnings (Deficit) Series B Preferred Stock
Redeemable preferred stock beginning balance (in shares) at Dec. 31, 2019	51
Redeemable preferred stock beginning balance at Dec. 31, 2019	$ 5,100
Redeemable Preferred Stock
Issuance of Preferred Stock (in shares)									7,142,857				196,587
Issuance of preferred stock			$ 93,139	$ 197					$ 71				$ 197			$ 93,068
Redemption of Series B redeemable preferred stock (in shares)					(51)
Redemption of Series B Redeemable Preferred Stock	$ 0				$ (5,100)
Redeemable preferred stock ending balance (in shares) at Dec. 31, 2020	0
Redeemable preferred stock ending balance at Dec. 31, 2020	$ 0
Preferred stock beginning balance (in shares) at Dec. 31, 2019						0
Preferred stock beginning balance at Dec. 31, 2019						$ 0
Preferred stock ending balance (in shares) at Dec. 31, 2020						0
Preferred stock ending balance at Dec. 31, 2020						$ 0
Beginning balance (in shares) at Dec. 31, 2019							0			65,036,780	5,045,215	8,159,775	196,588
Members' equity beginning balance at Dec. 31, 2019										$ 65,037	$ 5,045	$ 8,160	$ 196
Stockholders' equity beginning balance at Dec. 31, 2019	141,615						$ 0							$ 17,995			$ 6,500	$ 38,682
Preferred Stock
Issuance of shares (in shares)									7,142,857				196,587
Shares issued during period			$ 93,139	$ 197					$ 71				$ 197			$ 93,068
Distribution to members	(19,819)													(1,776)				(18,043)
Dividends on Series B preferred stock					(128)														$ (128)
Redemption of Series B Redeemable Preferred Stock	0				$ (5,100)
Corporate recapitalization (in shares)							37,386,394			(65,036,780)	(5,045,215)	(8,159,775)	(393,175)
Corporate recapitalization	0						$ 374			$ (65,037)	$ (5,045)	$ (8,160)	$ (393)	78,261
Issuance of common shares for acquisition of Compstar (in shares)								6,613,606
Issuance of common shares for acquisition of Compstar	99,204	$ 99,204						$ 66							$ 99,138
Stock compensation expense	506													506
Common stock issuances pursuant to equity compensation awards (in shares)							5,925
Common stock issuances pursuant to equity compensation awards	(82)													(82)
Other comprehensive income (loss)	6,926																6,926
Net income (loss)	88,549																	88,549
Ending balance (in shares) at Dec. 31, 2020							51,148,782			0	0	0	0
Members' equity ending balance at Dec. 31, 2020										$ 0	$ 0	$ 0	$ 0
Stockholders' equity ending balance at Dec. 31, 2020	$ 410,107						$ 511							287,110			13,426	109,060
Preferred stock ending balance (in shares) at Dec. 31, 2021	0					0
Preferred stock ending balance at Dec. 31, 2021						$ 0
Preferred Stock
Distribution to members	$ 0
Issuance of common shares for acquisition of Compstar	0
Stock compensation expense	1,522													1,522
Common stock issuances pursuant to equity compensation awards (in shares)							28,105
Common stock issuances pursuant to equity compensation awards	(93)						$ 1							(94)
Proceeds from short swing rule	85													85
Other comprehensive income (loss)	(9,042)																(9,042)
Net income (loss)	$ 19,330																	19,330
Ending balance (in shares) at Dec. 31, 2021	51,176,887						51,176,887
Stockholders' equity ending balance at Dec. 31, 2021	$ 421,909						$ 512							288,623			4,384	128,390
Preferred stock ending balance (in shares) at Dec. 31, 2022	0					0
Preferred stock ending balance at Dec. 31, 2022						$ 0
Preferred Stock
Distribution to members	$ 0
Issuance of common shares for acquisition of Compstar	0
Stock compensation expense	1,496													1,496
Common stock issuances pursuant to equity compensation awards (in shares)							45,598
Common stock issuances pursuant to equity compensation awards	(24)													(24)
Other comprehensive income (loss)	(42,407)																(42,407)
Net income (loss)	$ (65,955)																	(65,955)
Ending balance (in shares) at Dec. 31, 2022	51,222,485						51,222,485
Stockholders' equity ending balance at Dec. 31, 2022	$ 315,019						$ 512							$ 290,095			$ (38,023)	$ 62,435

Trean Insurance Group, Inc. 10-K