Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net investment income
Net gains (losses) on investments and financings	$ 146,695	$ (109,544)	$ 166,705	$ 13,761
Net gains on loans acquired for sale:	20,059	13,558	46,737	24,477
Loan origination fees	6,640	3,226	11,099	15,227
Contractually specified	162,605	166,809	485,089	496,522
Other	4,012	3,752	9,838	14,521
Net mortgage loan servicing fees	166,617	170,561	494,927	511,043
Change in fair value of mortgage servicing rights	(184,918)	160,926	(263,676)	(64,515)
Mortgage servicing rights hedging results	(67,220)	(50,689)	(175,399)	(81,584)
Net servicing fees from non-affiliates	(85,080)	281,298	57,119	366,438
Interest income	176,734	158,926	472,128	474,629
Interest expense	184,171	183,918	527,539	550,445
Net interest expense	(7,437)	(24,992)	(55,411)	(75,816)
Results of real estate acquired in settlement of loans	(65)	(251)	(155)	(251)
Other	52	134	173	411
Net investment income	80,864	163,429	226,267	344,247
Expenses
Management fees	7,153	7,175	21,474	21,510
Professional services	2,614	2,133	6,738	5,537
Compensation	1,326	1,961	4,611	4,779
Loan collection and liquidation	2,257	1,890	4,297	3,378
Safekeeping	1,174	467	3,067	2,707
Loan origination	1,408	710	2,414	3,785
Other	4,666	4,885	13,441	14,559
Total expenses	54,330	45,009	138,743	140,173
Income before (benefit from) provision for income taxes	26,534	118,420	87,524	204,074
(Benefit from) provision for income taxes	(14,873)	56,998	(26,925)	57,331
Net income	41,407	61,422	114,449	146,743
Dividends on preferred shares	10,455	10,455	31,364	31,364
Net income attributable to common shareholders	$ 30,952	$ 50,967	$ 83,085	$ 115,379
Earnings per common share
Basic	$ 0.36	$ 0.59	$ 0.95	$ 1.31
Diluted	$ 0.36	$ 0.51	$ 0.95	$ 1.2
Weighted average common shares outstanding
Basic	86,861	86,760	86,800	87,613
Diluted	86,861	111,088	86,800	111,941
Nonaffiliates [Member]
Net investment income
Net gains on loans acquired for sale:	$ 18,065	$ 11,704	$ 41,088	$ 19,463
Other	4,012	3,752	9,838	14,521
Net servicing fees from non-affiliates	(85,521)	280,798	55,852	364,944
PennyMac Financial Services, Inc. [Member]
Net investment income
Net gains on loans acquired for sale:	1,994	1,854	5,649	5,014
From PennyMac Financial Services, Inc.	441	500	1,267	1,494
Expenses
Loan servicing fees	22,240	20,257	62,766	61,023
Management fees	7,153	7,175	21,474	21,510
Loan fulfillment fees	$ 11,492	$ 5,531	$ 19,935	$ 22,895