Other assets and other liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Other assets:
Deferred tax asset	$ 22,744		$ 18,084
Tax receivable	13,219
Deferred loan exit fees	11,405		8,668
Accrued interest	8,645		7,253
Due from servicers	6,514		7,284
Right-of-use assets	2,852	$ 3,300
Intangible assets	2,681		2,915
Deferred financing costs	1,660		2,564
Fixed assets, net	1,425		1,096
Other assets	5,703		7,583
Total other assets	76,848		55,447
Accounts payable and other accrued liabilities:
Deferred tax liability	20,094		19,972
Accrued salaries, wages and commissions	17,755		19,925
Accrued interest payable	11,261		14,244
Servicing principal and interest payable	10,769		10,582
Repair and denial reserve	5,745		5,524
Payable to related parties	2,495		2,580
Accrued professional fees	977		1,618
Other accounts payable and accrued liabilities	12,139		274
Total accounts payable and other accrued liabilities	81,235		74,719
Loan indemnification reserve
Loan indemnification reserve	$ 2,200		$ 1,700