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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Redeemable Preferred Stock and Stockholders’ Equity - Narrative (Details)			1 Months Ended							3 Months Ended			6 Months Ended
	Feb. 22, 2025 shares	Feb. 03, 2025 shares	Mar. 31, 2026 USD ($) tranche $ / shares shares	Feb. 28, 2025 $ / shares shares	Apr. 30, 2024 shares	Feb. 29, 2024 $ / shares shares	Jun. 30, 2023 $ / shares shares	Feb. 28, 2023 $ / shares shares	Feb. 28, 2022 $ / shares shares	Jun. 30, 2026 USD ($) $ / shares shares	Mar. 31, 2026 USD ($) $ / shares shares	Jun. 30, 2025 USD ($) shares	Jun. 30, 2026 USD ($) $ / shares shares	Jun. 30, 2025 USD ($) shares	Jun. 30, 2024 shares	Jul. 17, 2026 shares	Dec. 31, 2025 USD ($) $ / shares	Jul. 09, 2021 USD ($) $ / shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation \| $										$ 2,500,000		$ 1,600,000	$ 4,112,000	$ 3,419,000
Preferred stock, liquidation preference (in dollars per share) \| $ / shares										$ 25.00			$ 25.00				$ 25.00
Common stock, par value (in dollars per share) \| $ / shares										$ 0.0001			$ 0.0001				$ 0.0001
Equity ATM Program
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, par value (in dollars per share) \| $ / shares																		$ 0.0001
Common stock, issued (in shares)										0		0	0	0
Value of remaining shares available for sale under the Equity ATM Program \| $										$ 78,400,000			$ 78,400,000
Series C Preferred Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Preferred stock conversion ratio										1.8391			1.8391
Preferred stock principal amount used as basis for application of conversion ratio \| $										$ 25			$ 25
Conversion price (in dollars per share) \| $ / shares										$ 13.59			$ 13.59
Preferred stock dividends \| $										$ 100,000
Preferred stock, liquidation preference (in dollars per share) \| $ / shares										$ 25.00			$ 25.00
Series E Preferred Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Preferred stock dividends \| $										$ 1,900,000
Percentage of the liquidation preference at which the company can choose to redeem (as a percent)													100.00%
Preferred stock, liquidation preference (in dollars per share) \| $ / shares										$ 25.00			$ 25.00
Time-Based Restricted Stock Awards (RSA) And Restricted Stock Units (RSUs) \| Directors
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)													291,260	89,285	126,930
Time-Based Restricted Stock Awards (RSA) \| Employees
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)													2,185,687	1,210,374	774,097
Vesting period (in years)													3 years
Time-Based Restricted Stock Awards (RSA) \| Directors
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (in years)													1 year
Restricted Stock Units (RSUs) \| Employees
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)													2,550,000
Granted (in dollars per share) \| $ / shares													$ 1.85
Restricted Stock Units (RSUs) and Restricted Stock Awards (RSAs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)											2,476,947
Granted (in dollars per share) \| $ / shares											$ 2.06
Non-cash expense related to unvested awards not yet charged to net income \| $			$ 12,354,000							$ 10,803,000	$ 12,354,000		$ 10,803,000				$ 11,940,000
Vested (in shares)										214,448	605,926
Forfeited (in shares)										78,636	16,628
2013 Equity Incentive Plan \| Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)								92,451	84,566
Vesting period (in years)								3 years	3 years
Granted (in dollars per share) \| $ / shares								$ 12.98	$ 14.19
Vested (in shares)	57,029
Forfeited (in shares)					8,809
2013 Equity Incentive Plan \| Performance Shares \| Broadmark Realty Capital, Inc.
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)							222,552
Granted (in dollars per share) \| $ / shares							$ 10.11
Vested (in shares)		333,828
2013 Equity Incentive Plan \| Performance Shares \| Broadmark Realty Capital, Inc. \| Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting percentage allocation (as a percent)													66.70%
2013 Equity Incentive Plan \| Performance Shares \| Broadmark Realty Capital, Inc. \| Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting percentage allocation (as a percent)													33.30%
2013 Equity Incentive Plan \| Performance Shares, Return On Equity-Based
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (in years)								3 years	3 years
Allocation of award (as a percent)								50.00%	50.00%
2013 Equity Incentive Plan \| Performance Shares, Return On Equity-Based \| Broadmark Realty Capital, Inc.
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocation of award (as a percent)							25.00%
2013 Equity Incentive Plan \| Performance Shares, TSR-Based
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (in years)								3 years	3 years
Allocation of award (as a percent)									50.00%
Vesting percentage allocation (as a percent)								50.00%
2013 Equity Incentive Plan \| Performance Shares, Percentage-Based \| Broadmark Realty Capital, Inc.
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocation of award (as a percent)							30.00%
2013 Equity Incentive Plan \| Performance Shares, Volume-Based \| Broadmark Realty Capital, Inc.
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocation of award (as a percent)							15.00%
2013 Equity Incentive Plan \| Performance Shares, Liquidity-Based \| Broadmark Realty Capital, Inc.
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocation of award (as a percent)							30.00%
2023 Equity Incentive Plan \| Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)			7,650,000	238,096		132,450
Vesting period (in years)			3 years	3 years		3 years
Granted (in dollars per share) \| $ / shares			$ 0.25	$ 6.72		$ 9.06
Number of vesting tranches \| tranche			10
Volume weighted average price			30 days
Accelerated vesting (in shares)				89,286		44,150
2023 Equity Incentive Plan \| Performance Shares, Return On Equity-Based
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (in years)				3 years		3 years
Allocation of award (as a percent)				50.00%		50.00%
2023 Equity Incentive Plan \| Performance Shares, TSR-Based
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (in years)				3 years		3 years
Allocation of award (as a percent)				50.00%		50.00%
Maximum \| Equity ATM Program
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock authorized to be sold under an Equity ATM Program \| $																		$ 150,000,000
Maximum \| 2013 Equity Incentive Plan \| Subsequent Event
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Authorized (in shares)																20,500,000
Maximum \| 2013 Equity Incentive Plan \| Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Target awards that may be achieved (as a percent)								200.00%	200.00%
Maximum \| 2013 Equity Incentive Plan \| Performance Shares \| Broadmark Realty Capital, Inc.
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Target awards that may be achieved (as a percent)							200.00%
Maximum \| 2023 Equity Incentive Plan \| Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Target awards that may be achieved (as a percent)			100.00%	200.00%		200.00%
Minimum \| 2013 Equity Incentive Plan \| Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Target awards that may be achieved (as a percent)								0.00%	0.00%
Minimum \| 2013 Equity Incentive Plan \| Performance Shares \| Broadmark Realty Capital, Inc.
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Target awards that may be achieved (as a percent)							0.00%
Minimum \| 2023 Equity Incentive Plan \| Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Target awards that may be achieved (as a percent)			0.00%	0.00%		0.00%