Consolidated Statement Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Activities:
Net income	$ 13,458	$ 11,827	$ 9,465
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Gain on sale of securities, net	(336)	(419)	(649)
Depreciation and amortization of premises and equipment	1,674	1,719	1,582
Amortization of software	181	210	179
Intangible asset amortization	252	275	299
Amortization of investment security premium, net of discount accretion	170	143	376
Deferred tax (benefit) liability	881	(959)	5,777
Stock-based compensation	454	519	466
Excess tax benefits from share-based payment arrangements	(233)	(171)	(185)
Deferral of loan fees and costs, net	428	(168)	373
Provision (benefit) for loan losses	(1,559)	1,999	5,583
Reserve for purchased receivables	357
Purchases of loans held for sale	(242,535)	(82,915)	(70,385)
Proceeds from the sale of loans held for sale	258,652	60,662	64,850
Gain on sale of other real estate owned	(46)	(889)	(1,663)
Impairment on other real estate owned	469	92	246
Equity in undistributed earnings from mortgage affiliate	(816)	(191)	(851)
Net changes in assets and liabilities:
Decrease ina ccrued receivable	280	503	585
(Increase) decrease in other assets	(1,762)	2,224	715
Increase in other liabilities	2,580	514	1,343
Net Cash Provided by Operating Activities	32,549	(5,025)	18,106
Investing Activities:
Purchases of investment securities—available-for-sale	(111,431)	(169,712)	(236,299)
Purchases of investment securities—held to maturity			(792)
Proceeds from sales/maturities of securities—available-for-sale	131,610	161,301	199,812
Proceeds from calls/maturities of securities—held-to-maturity	1,065	2,300	1,684
Purchases of domestic certificates of deposit	(11,500)	(12,000)
Proceeds from maturities of domestic certificates of deposit	10,000
Proceeds from redemption of FHLB stock	36
(Increase) decrease in purchased receivables, net	10,830	(13,735)	(9,672)
(Increase) decrease in loans, net	(59,299)	24,261	(24,272)
Proceeds from sale of other real estate owned	1,994	8,425	11,124
Investment in other real estate owned	(98)	(57)	(235)
Decrease in loan to Elliott Cove, net	106	97	35
Purchases of premises and equipment	(1,589)	(664)	(2,107)
Net Cash (Used) Provided by Investing Activities	(28,276)	216	(60,722)
Financing Activities:
Increase in deposits	58,881	19,112	39,028
Increase in securities sold under repurchase agreements	2,690	3,474	6,141
Decrease in borrowings	(147)	(760)	(201)
Distributions to noncontrolling interest	(471)	(427)	(397)
Excess tax benefits from share-based payment arrangements	233	171	185
Cash dividends paid	(3,676)	(3,264)	(2,828)
Net Cash Provided by Financing Activities	57,510	18,306	41,928
Net Increase (Decrease) in Cash and Cash Equivalents	61,783	13,497	(688)
Cash and Cash Equivalents at Beginning of Period	79,530	66,033	66,721
Cash and Cash Equivalents at End of Period	141,313	79,530	66,033
Supplemental Information:
Income taxes paid	6,632	4,315	2,769
Interest paid	2,510	3,792	5,579
Transfer of loans to other real estate owned	1,684	2,255	2,841
Loans made to facilitate sales of other real estate owned	300	1,825	6,092
Cash dividends declared but not paid	$ 39	$ 40	$ 20