Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 6,716	$ 4,044
Adjustments to reconcile net income to net cash provided by operating-activities:
Provision for loan and lease losses		2,500
Provision for depreciation and amortization	1,126	962
Compensation expense associated with stock options	33	43
Compensation expense associated with restricted stock	68
Net (gain) loss on sale of securities available-for-sale	(413)	252
Amortization of investment premiums and accretion of discounts, net	1,424	1,199
Amortization of held-to-maturity fair value adjustment	(116)	(116)
(Gain) loss on sale of fixed assets	(4)	4
Write-down of fixed assets	238
Write-down of other real estate owned		290
Loss on sale of other real estate owned	4	11
Increase in cash surrender value of life insurance	(482)	(459)
Increase in deferred compensation and salary continuation plans	28	275
(Increase) decrease in deferred loan fees and costs	(561)	119
Decrease (increase) in other assets	669	(511)
(Decrease) increase in other liabilities	(1,165)	1,177
Net cash provided by operating activities	7,565	9,790
Cash flows from investing activities:
Proceeds from maturities and payments of available-for-sale securities	18,328	13,608
Proceeds from sale of available-for-sale securities	61,255	81,820
Purchases of available-for-sale securities	(52,015)	(64,247)
Proceeds from maturities and payments of held-to-maturity securities	849	186
Purchases of held-to-maturity securities		(244)
Investment in qualified affordable housing projects	(863)	(1,764)
Net redemption of Federal Home Loan Bank of San Francisco stock	1,263	(1,902)
Loan originations, net of principal repayments	(51,452)	(17,745)
Purchase of loan pools	(34,770)	(49,250)
Repayments on loan pools	24,937	8,586
Purchase of life insurance		(5,000)
Purchase of premises and equipment	(347)	(2,583)
Proceeds from the sale of other real estate owned	2,864	656
Proceeds from settlement of note to former mortgage subsidiary	686	686
Net cash used by investing activities	(29,951)	(37,193)
Cash flows from financing activities:
Net increase in demand deposits and savings deposits	6,727	10,765
Net (decrease) increase in certificates of deposit	(16,257)	10,462
Advances on term debt	240,000	75,000
Repayment of term debt	(240,000)	(75,000)
Proceeds from stock options exercised	152	23
Repurchase of common stock		(4,562)
Cash dividends paid on preferred stock	(150)	(150)
Cash dividends paid on common stock	(1,199)	(1,227)
Net cash (used) provided by financing activities	(10,727)	15,311
Net decrease in cash and cash equivalents	(33,113)	(12,092)
Cash and cash equivalents at beginning of year	58,422	58,515
Cash and cash equivalents at end of period	25,309	46,423
Cash paid during the period for:
Income taxes	3,650
Interest	3,342	2,931
Supplemental disclosures of non cash investing activities:
Transfer of loans to other real estate owned	3,721	437
Transfer of fixed asset to other real estate owned	170
Change in unrealized gain on investment securities available-for-sale	(957)	5,505
Change in net deferred tax asset related to change in unrealized gain on investment securities available-for-sale	394	(2,268)
Change in accumulated other comprehensive income due to change in unrealized gain on investment securities available-for-sale	(563)	3,237
Accretion of held-to-maturity from other comprehensive income to interest income	(116)	(116)
Change in deferred tax related to accretion of held-to-maturity investment securities	47	47
Change in accumulated other comprehensive income due to accretion of held-to-maturity investment securities	(69)	(69)
Change in unrealized (loss) on derivatives	(917)	(233)
Change in net deferred tax asset related to change in unrealized loss on derivatives	377	96
Change in accumulated other comprehensive income due to change in unrealized loss on derivatives	(540)	(137)
Reclassification of expense (earnings) from loss (gains) on derivatives	1,005	(1,900)
Change in net deferred tax asset related to reclassification of (loss) earnings from gains on derivatives	(414)	783
Change in accumulated other comprehensive income due to reclassification of expense (earnings) from loss (gain) on derivatives	591	(1,117)
Supplemental disclosures of non cash financing activities:
Stock issued under employee plans	36	66
Common Stock [Member]
Supplemental disclosures of non cash financing activities:
Dividend payable	400	399
Preferred Stock [Member]
Supplemental disclosures of non cash financing activities:
Dividend payable	$ 50	$ 50