CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
ASSETS
Cash	$ 1,497,903	$ 1,328,536
Short-term investment at fair value	3,584	12,194
Loans held for sale at fair value (includes $6,668,418 and $3,442,847 pledged to creditors)	6,772,423	3,509,300
Derivative assets	110,664	99,003
Servicing advances, net (includes valuation allowance of $75,178 and $78,992; $315,323 and $381,379 pledged to creditors)	547,158	696,753
Mortgage servicing rights at fair value (includes $5,954,749 and $5,897,613 pledged to creditors)	6,003,390	5,953,621
Operating lease right-of-use assets	61,406	65,866
Investment in PennyMac Mortgage Investment Trust at fair value	925	929
Receivable from PennyMac Mortgage Investment Trust	35,166	36,372
Loans eligible for repurchase	4,557,325	4,702,103
Other (includes $31,909 and $12,277 pledged to creditors)	513,241	417,907
Total assets	20,103,185	16,822,584
LIABILITIES
Assets sold under agreements to repurchase	5,764,157	3,001,283
Mortgage loan participation purchase and sale agreements	515,358	287,592
Notes payable secured by mortgage servicing assets	2,471,930	1,942,646
Unsecured senior notes	1,780,833	1,779,920
Derivative liabilities	49,087	21,712
Mortgage servicing liabilities at fair value	2,011	2,096
Accounts payable and accrued expenses	218,433	262,358
Operating lease liabilities	81,724	85,550
Payable to PennyMac Mortgage Investment Trust	142,007	205,011
Payable to exchanged Private National Mortgage Acceptance Company, LLC unitholders under tax receivable agreement	26,099	26,099
Income taxes payable	1,010,928	1,002,744
Liability for loans eligible for repurchase	4,557,325	4,702,103
Liability for losses under representations and warranties	31,103	32,421
Total liabilities	16,650,995	13,351,535
Commitments and contingencies - Note 16
STOCKHOLDERS' EQUITY
Retained earnings	3,452,185	3,471,044
Total stockholders' equity	3,452,190	3,471,049
Total liabilities and stockholders' equity	20,103,185	16,822,584
Common Class A [Member]
STOCKHOLDERS' EQUITY
Common stock - authorized 200,000,000 shares of $0.0001 par value; issued and outstanding, 50,097,030 and 49,988,492 shares respectively	$ 5	$ 5