CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net gains on loans held for sale at fair value:
Net gains on loans held for sale at fair value	$ 104,385	$ 298,459
Loan origination fees	31,390	67,858
Fulfillment fees from PennyMac Mortgage Investment Trust	11,923	16,754
Loan servicing fees:
Loan servicing fees	338,057	291,258
Change in fair value of mortgage servicing rights and mortgage servicing liabilities	(236,447)	212,911
Mortgage servicing rights hedging results	47,227	(217,860)
Change in fair value of excess servicing spread financing payable to PennyMac Mortgage Investment Trust	(189,220)	(4,949)
Net loan servicing fees	148,837	286,309
Interest income:
Interest income	128,478	53,882
Interest expense:
Interest expense	131,771	77,307
Net interest expense	(3,293)	(23,425)
Management fees, net:
Management fees from PennyMac Mortgage Investment Trust	7,257	8,117
Change in fair value of investment in and dividends received from PennyMac Mortgage Investment Trust	26	2
Results of real estate acquired in settlement of loans	142	543
Other	2,195	2,887
Total net revenues	302,862	657,504
Expenses
Compensation	147,935	245,547
Technology	36,038	34,786
Loan origination	27,086	75,333
Professional services	21,007	20,103
Servicing	12,632	(1,246)
Occupancy and equipment	8,820	9,469
Marketing and advertising	3,241	22,403
Other	7,956	16,589
Total expenses	264,715	422,984
Income before provision for income taxes	38,147	234,520
Provision for income taxes	7,769	60,927
Net income	$ 30,378	$ 173,593
Earnings per share
Basic (in dollars per share)	$ 0.61	$ 3.11
Diluted (in dollars per share)	$ 0.57	$ 2.94
Weighted-average shares outstanding
Basic (in shares)	50,154	55,831
Diluted (in shares)	53,352	59,129
Non-affiliates
Net gains on loans held for sale at fair value:
Net gains on loans held for sale at fair value	$ 104,870	$ 308,111
Loan origination fees	29,980	65,516
Loan servicing fees:
Loan servicing fees	290,697	244,809
PennyMac Mortgage Investment Trust
Net gains on loans held for sale at fair value:
Net gains on loans held for sale at fair value	(485)	(9,652)
Loan origination fees	1,410	2,342
Loan servicing fees:
Loan servicing fees	20,449	21,088
Others
Loan servicing fees:
Loan servicing fees	$ 26,911	$ 25,361