Business Combinations - Acquisitions (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions			3 Months Ended		6 Months Ended
	Jun. 05, 2024	May 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Business Combination, Consideration Transferred [Abstract]
Contingent consideration			$ 3,926		$ 3,926		$ 7,628
Goodwill			49,091		49,091		$ 38,530
Bargain purchase gain			$ (18,306)	$ 229,894	(18,306)	$ 229,894
Madison One
Assets:
Cash and cash equivalents	$ 83
Restricted cash	721
Servicing rights	16,304
Intangible assets	10,400
Other assets	303
Total assets acquired	27,811
Liabilities:
Accounts payable and other accrued liabilities	978
Total liabilities assumed	978
Net assets acquired	26,833
Non-controlling interests	(600)
Net assets acquired, net of non-controlling interests	26,233
Business Combination, Consideration Transferred [Abstract]
Cash paid	32,868
Contingent consideration	3,926
Total consideration transferred	36,794
Goodwill	$ 10,561
Broadmark
Assets:
Cash and cash equivalents		$ 38,710
Loans, net		764,367
Real estate owned, held for sale		135,240
Other assets		9,956
Total assets acquired		948,273
Liabilities:
Corporate debt		98,028
Accounts payable and other accrued liabilities		23,350
Total liabilities assumed		121,378
Net assets acquired		826,895
Business Combination, Consideration Transferred [Abstract]
Consideration transferred based on value of stock issued		637,229
Bargain purchase gain		$ 189,666
Number of common shares issued in acquisition		62.2
Price per share of stock issued		$ 10.24
Measurement Period Adjustments
Bargain purchase gain		$ (40,200)
Broadmark | Previously Reported
Assets:
Cash and cash equivalents		38,710
Loans, net		772,954
Real estate owned, held for sale		158,911
Other assets		17,107
Total assets acquired		987,682
Liabilities:
Corporate debt		98,028
Accounts payable and other accrued liabilities		22,531
Total liabilities assumed		120,559
Net assets acquired		867,123
Business Combination, Consideration Transferred [Abstract]
Consideration transferred based on value of stock issued		637,229
Bargain purchase gain		229,894
Broadmark | Adjustments
Measurement Period Adjustments
Loans, net		(8,587)
Real estate owned, held for sale		(23,671)			$ (23,700)
Other assets		(7,151)
Total assets acquired		(39,409)
Accounts payable and other accrued liabilities		819
Total liabilities assumed		819
Net assets acquired		(40,228)
Bargain purchase gain		$ (40,228)