CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Cash	$ 1,177,304	$ 1,328,536
Short-term investment at fair value	5,553	12,194
Loans held for sale at fair value (includes $5,026,818 and $3,442,847 pledged to creditors)	5,186,656	3,509,300
Derivative assets	103,366	99,003
Servicing advances, net (includes valuation allowance of $65,644 and $78,992; $268,987 and $381,379 pledged to creditors)	399,281	696,753
Mortgage servicing rights at fair value (includes $7,018,069 and $5,897,613 pledged to creditors)	7,084,356	5,953,621
Operating lease right-of-use assets	53,419	65,866
Investment in PennyMac Mortgage Investment Trust at fair value	930	929
Receivable from PennyMac Mortgage Investment Trust	$ 27,613	$ 36,372
Other Receivable, after Allowance for Credit Loss, Related Party, Type [Extensible Enumeration]	Affiliated entities	Affiliated entities
Loans eligible for repurchase	$ 4,445,814	$ 4,702,103
Other (includes $30,021 and $12,277 pledged to creditors)	465,022	417,907
Total assets	18,949,314	16,822,584
LIABILITIES
Assets sold under agreements to repurchase	4,411,747	3,001,283
Mortgage loan participation purchase and sale agreements	498,392	287,592
Notes payable secured by mortgage servicing assets	2,673,402	1,942,646
Unsecured senior notes	1,782,689	1,779,920
Derivative liabilities	41,200	21,712
Mortgage servicing liabilities at fair value	1,818	2,096
Accounts payable and accrued expenses	236,611	262,358
Operating lease liabilities	70,210	85,550
Other liabilities	$ 97,975	$ 205,011
Other Liability, Related Party, Type [Extensible Enumeration]	Affiliated entities	Affiliated entities
Payable to exchanged Private National Mortgage Acceptance Company, LLC unitholders under tax receivable agreement	$ 26,099	$ 26,099
Income taxes payable	1,059,993	1,002,744
Liability for loans eligible for repurchase	4,445,814	4,702,103
Liability for losses under representations and warranties	30,491	32,421
Total liabilities	15,376,441	13,351,535
Commitments and contingencies - Note 16
STOCKHOLDERS' EQUITY
Additional paid-in capital	11,475
Retained earnings	3,561,393	3,471,044
Total stockholders' equity	3,572,873	3,471,049
Total liabilities and stockholders' equity	18,949,314	16,822,584
Common Class A [Member]
STOCKHOLDERS' EQUITY
Common stock - authorized 200,000,000 shares of $0.0001 par value; issued and outstanding, 49,925,752 and 49,988,492 shares respectively	$ 5	$ 5