Other income and operating expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other income
Origination income	$ 2,473	$ 6,316	$ 5,130	$ 10,928
Change in repair and denial reserve	(959)	527	(2,166)	328
Employee retention credit consulting income	95	8,481	2,586	18,156
Other	4,988	3,308	16,873	9,612
Total other income	6,597	18,632	22,423	39,024
Other operating expenses
Origination costs	1,415	1,744	3,229	3,399
Technology expense	2,232	1,578	4,825	3,090
Impairment on real estate	9,130		26,102	3,418
Rent and property tax expense	1,372	1,043	3,690	2,111
Recruiting, training and travel expenses	525	722	1,232	1,353
Marketing expense	350	220	749	532
Bad debt expense - ERC	1,808		3,621
Other	4,970	4,250	8,541	8,263
Total other operating expenses	$ 21,802	$ 9,557	$ 51,989	$ 22,166