The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Current period recognition due to accretion of the excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Change in the estimate of cash flows expected to be collected, after acquisition of a loan, which results in a decrease in accretable yield (for example, as a result of an other-than-temporary impairment). This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The investor's estimate, at acquisition, of the amount and timing of undiscounted principal, interest, and other cash flows expected to be collected. This would be the investor's best estimate of cash flows, including the effect of prepayments if considered, that is used in determining the acquisition price, and, in a business combination, the investor's estimate of fair value for purposes of acquisition price allocation. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The total undiscounted amount of all uncollected contractual principal and contractual interest payments both past due and scheduled for the future, adjusted for the timing of prepayments, if considered, less any reduction by the investor at the acquisition date. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Amount of allowance for loan and lease losses covered by loss sharing agreements.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date.

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The investor's estimate, at acquisition, of the amount and timing of undiscounted principal, interest, and other cash flows not expected to be collected. This would be the investor's best estimate of cash flows, including the effect of prepayments if considered, that is used in determining the acquisition price, and, in a business combination, the investor's estimate of fair value for purposes of acquisition price allocation. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Recorded investment in financing receivables as of the balance sheet date.

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An amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money within one year from the balance sheet date (or the normal operating cycle, whichever is longer), net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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Covered Assets and Indemnification Asset (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 City Bank	Dec. 31, 2011 City Bank	Apr. 16, 2010 City Bank	Dec. 31, 2012 North County Bank	Dec. 31, 2011 North County Bank	Sep. 24, 2010 North County Bank	Dec. 31, 2012 Direct consumer loan [Member]	Dec. 31, 2011 Direct consumer loan [Member]	Dec. 31, 2012 Direct consumer loan [Member] City Bank	Dec. 31, 2011 Direct consumer loan [Member] City Bank	Dec. 31, 2012 Direct consumer loan [Member] North County Bank	Dec. 31, 2011 Direct consumer loan [Member] North County Bank	Dec. 31, 2012 Commercial [Member]	Dec. 31, 2011 Commercial [Member]	Dec. 31, 2012 Commercial [Member] City Bank	Dec. 31, 2011 Commercial [Member] City Bank	Dec. 31, 2012 Commercial [Member] North County Bank	Dec. 31, 2011 Commercial [Member] North County Bank	Dec. 31, 2012 Real estate mortgage [Member]	Dec. 31, 2011 Real estate mortgage [Member]	Dec. 31, 2012 Real estate mortgage [Member] City Bank	Dec. 31, 2011 Real estate mortgage [Member] City Bank	Dec. 31, 2012 Real estate mortgage [Member] North County Bank	Dec. 31, 2011 Real estate mortgage [Member] North County Bank	Dec. 31, 2012 Real estate mortgage [Member] One-to-four family residential [Member]	Dec. 31, 2011 Real estate mortgage [Member] One-to-four family residential [Member]	Dec. 31, 2012 Real estate mortgage [Member] One-to-four family residential [Member] City Bank	Dec. 31, 2011 Real estate mortgage [Member] One-to-four family residential [Member] City Bank	Dec. 31, 2012 Real estate mortgage [Member] One-to-four family residential [Member] North County Bank	Dec. 31, 2011 Real estate mortgage [Member] One-to-four family residential [Member] North County Bank	Dec. 31, 2012 Real estate mortgage [Member] Multi-family and commercial [Member]	Dec. 31, 2011 Real estate mortgage [Member] Multi-family and commercial [Member]	Dec. 31, 2012 Real estate mortgage [Member] Multi-family and commercial [Member] City Bank	Dec. 31, 2011 Real estate mortgage [Member] Multi-family and commercial [Member] City Bank	Dec. 31, 2012 Real estate mortgage [Member] Multi-family and commercial [Member] North County Bank	Dec. 31, 2011 Real estate mortgage [Member] Multi-family and commercial [Member] North County Bank	Dec. 31, 2012 Real estate construction [Member]	Dec. 31, 2011 Real estate construction [Member]	Dec. 31, 2012 Real estate construction [Member] City Bank	Dec. 31, 2011 Real estate construction [Member] City Bank	Dec. 31, 2012 Real estate construction [Member] North County Bank	Dec. 31, 2011 Real estate construction [Member] North County Bank	Dec. 31, 2012 Real estate construction [Member] One-to-four family residential [Member]	Dec. 31, 2011 Real estate construction [Member] One-to-four family residential [Member]	Dec. 31, 2012 Real estate construction [Member] One-to-four family residential [Member] City Bank	Dec. 31, 2011 Real estate construction [Member] One-to-four family residential [Member] City Bank	Dec. 31, 2012 Real estate construction [Member] One-to-four family residential [Member] North County Bank	Dec. 31, 2011 Real estate construction [Member] One-to-four family residential [Member] North County Bank	Dec. 31, 2012 Real estate construction [Member] Multi-family and commercial [Member]	Dec. 31, 2011 Real estate construction [Member] Multi-family and commercial [Member]	Dec. 31, 2012 Real estate construction [Member] Multi-family and commercial [Member] City Bank	Dec. 31, 2011 Real estate construction [Member] Multi-family and commercial [Member] City Bank	Dec. 31, 2012 Real estate construction [Member] Multi-family and commercial [Member] North County Bank	Dec. 31, 2011 Real estate construction [Member] Multi-family and commercial [Member] North County Bank
Major types of covered loans [Abstract]
Covered loans	$ 217,339	$ 269,081	$ 140,777	$ 170,125		$ 76,562	$ 98,956		$ 10,219	$ 14,768	$ 2,698	$ 3,562	$ 7,521	$ 11,206	$ 29,011	$ 43,588	$ 13,863	$ 17,380	$ 15,148	$ 26,208	$ 198,778	$ 246,063	$ 136,063	$ 167,701	$ 62,715	$ 78,362	$ 14,195	$ 15,753	$ 3,783	$ 4,673	$ 10,412	$ 11,080	$ 184,583	$ 230,310	$ 132,280	$ 163,028	$ 52,303	$ 67,282	$ 26,507	$ 46,345	$ 17,133	$ 27,581	$ 9,374	$ 18,764	$ 7,764	$ 11,875	$ 4,764	$ 6,102	$ 3,000	$ 5,773	$ 18,743	$ 34,470	$ 12,369	$ 21,479	$ 6,374	$ 12,991
Subtotal	264,515	350,764	169,757	216,224		94,758	134,540
Fair value discount	(47,176)	(81,683)	(28,980)	(46,099)		(18,196)	(35,584)
Allowance for loan losses	(3,252)	(870)	(2,727)	(655)		(525)	(215)
Total covered loans, net	214,087	268,211	138,050	169,470		76,037	98,741
Summary of reconciliation of the undiscounted contractual cash flows, nonaccretable difference, accretable yield and fair value of covered loans [Abstract]
Undiscounted contractual cash flows					504,721			225,937
Undiscounted cash flows not expected to be collected (nonaccretable difference)					(132,419)			(69,680)
Undiscounted cash flows expected to be collected					372,302			156,257
Accretable yield at acquisition					(50,721)			(23,121)
Estimated fair value of loans acquired at acquisition					321,581			133,136
Certain loans acquired in transfer accounted for as debt securities accretable yield movement schedule [Roll Forward]
Balance, beginning of period			78,004	56,079		29,574	19,626
Accretion to interest income			(21,282)	(24,490)		(14,905)	(10,519)
Disposals			(8,866)	(16,314)		(6,546)	52
Reclassifications (to) from nonaccretable difference			1,312	62,729		11,444	20,415
Balance, end of period			$ 49,168	$ 78,004		$ 19,567	$ 29,574