Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current [Abstract]
Federal	$ 1,145	$ 666	$ 210
State	44	2	2
Current income tax expense	1,189	668	212
Deferred [Abstract]
Federal	1,243	472	500
State	422	583	420
Deferred income tax expense	1,665	1,055	920
Total income tax expense	2,854	1,723	1,132
Deferred tax assets [Abstract]
Allowance for loan losses	4,176	3,847
Deferred compensation	316	382
Retirement compensation	1,423	1,311
Stock option compensation	252	349
Post retirement benefits	290	440
Current state franchise taxes	15	0
Non-accrual interest	141	51
Net operating loss	63	507
Tax credit carryovers	1,720	2,428
Investment securities unrealized loss	426	0
Other	19	345
Deferred tax assets	8,841	9,660
Deferred tax liabilities [Abstract]
Fixed assets depreciation	1,291	1,055
FHLB dividends	260	260
Tax credit - loss on pass-through	223	297
Deferred loan costs	918	502
Current state franchise benefit	0	8
Investment securities unrealized gains	0	1,223
Total deferred tax liabilities	2,692	3,345
Net deferred tax assets (see Note 7)	6,149	6,315
State net operating loss carryforwards	883
Operating loss carryforwards, expiration dates	2028 through 2029
Tax credit carryforwards	1,800
Tax credit carryforward expiry dates	2027 through 2033
Reconciliation of income taxes computed at federal statutory rate and provision for income taxes [Abstract]
Federal statutory income tax rate (in hundredths)	34.00%
Income tax expense at statutory rates	2,801	2,166	1,290
Reduction for tax exempt interest	(191)	(166)	(173)
State franchise tax, net of federal benefit	457	408	213
Cash surrender value of life insurance	(154)	(155)	(149)
Solar credit amortization	(201)	(359)	(323)
Other	142	(171)	274
Total income tax expense	2,854	1,723	1,132
Reconciliation of unrecognized tax benefits [Roll Forward]
Beginning Balance	52
Additions for tax positions taken in the current period	2
Reductions for tax positions taken in the current period	0
Additions for tax positions taken in prior years	3
Reductions for tax positions taken in prior years	(27)
Decreases related to settlements with taxing authorities	(18)
Decreases as a result of a lapse in statue of limitations	0
Ending Balance	12	52
Unrecognized interest and penalties	$ 1
Internal Revenue Service (IRS) [Member]
Reconciliation of unrecognized tax benefits [Roll Forward]
Tax year subject to examination	2009
Tax year subject to examination	2010
Tax year subject to examination	2011
Tax year subject to examination	2012
California Franchise Tax Board [Member]
Reconciliation of unrecognized tax benefits [Roll Forward]
Tax year subject to examination	2009
Tax year subject to examination	2010
Tax year subject to examination	2011
Tax year subject to examination	2012