Income Taxes (Details 2) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Dec. 31, 2012
Deferred expense:
Investment in PennyMac	$ 5,491,000	$ 7,762,000
Net operating loss carryforward	(1,998,000)	(2,231,000)
Total deferred expense	3,493,000	5,531,000
Components of Deferred tax asset
Taxes currently receivable	7,000	7,000
Deferred income tax asset, net	54,523,000	54,523,000
Deferred tax asset	54,530,000	54,530,000
Deferred income tax assets:
Investment in PennyMac	52,292,000	52,292,000
Net operating loss carryforward	2,231,000	2,231,000
Gross deferred tax assets	54,523,000	54,523,000	0
Deferred income tax liabilities:
Gross deferred tax liabilities			0
Net deferred income tax asset	54,523,000	54,523,000
Net deferred income tax liability	(58,600,000)	(58,600,000)
Net operating loss carryforward, generally expires in 2033	2,200,000	2,200,000
Unrecognized tax benefits	0	0	0
Accrual of interest or penalties related to unrecognized tax benefits	$ 0	$ 0	$ 0