CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Class A Common Stock	Additional paid-in capital	Retained earnings	Members' equity	Non-controlling Interest
Balance at Dec. 31, 2011	$ 123,915				$ 123,915
Capital:
Contributions	15,058				15,058
Redemptions	(6)				(6)
Distributions	(11,369)				(11,369)
Unit-based compensation expense	13,880				13,880
Net income	62,903				62,903
Balance at Sep. 30, 2012	204,381				204,381
Balance at Dec. 31, 2012	261,750				261,750
Capital:
Distributions	(19,623)				(19,623)
Unit-based compensation expense	238				238
Partner capital issuance costs	(3,745)				(3,745)
Net income	76,834				76,834
Exchange of existing member units to Class A units of Private National Mortgage Acceptance Company, LLC					(315,454)	315,454
Balance post-reorganization	315,454					315,454
Issuance of common shares in initial public offering, net of issuance costs	230,000	1	229,999
Issuance of common shares in initial public offering, net of issuance costs (in shares)		12,778,000
Underwriting and offering costs	(13,486)		(13,290)			(196)
Dilution assumed with IPO			(127,160)			127,160
Stock-based compensation expense	2,156		891			1,265
Distributions	(3,395)					(3,395)
Net income	58,074			7,990		50,084
Tax related impact to exchange of Class A units of Private National Mortgage Acceptance Company, LLC to Class A stock of PennyMac Financial Services, Inc	1,158		1,158
Exchange of Class A units of Private National Mortgage Acceptance Company, LLC to Class A stock of PennyMac Financial Services, Inc.		1	44,886			(44,887)
Exchange of Class A units of Private National Mortgage Acceptance Company, LLC to Class A stock of PennyMac Financial Services, Inc. (in shares)		6,110,000
Balance at Sep. 30, 2013	$ 589,961	$ 2	$ 136,484	$ 7,990		$ 445,485
Balance (in shares) at Sep. 30, 2013		18,888,000