Restatement of Consolidated Financial Statements, Financing Receivables Past Due (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	$ 4,090
90 or More Days Past Due	3,755
90 or More Days Past Due and Still Accruing	170	481		1,336
Nonaccruals (Including Impaired Nonaccruals)	13,021	5,204		8,071
As Reported [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	7,677	4,300	[1]
90 or More Days Past Due	3,755	3,284	[1]
90 or More Days Past Due and Still Accruing	170	481	[1]
Nonaccruals (Including Impaired Nonaccruals)	5,617	5,204	[1]
As Restated [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	4,090
90 or More Days Past Due	3,755
90 or More Days Past Due and Still Accruing	170
Nonaccruals (Including Impaired Nonaccruals)	13,021
Commercial and Industrial [Member] | As Reported [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due		31	[1]
90 or More Days Past Due		26	[1]
90 or More Days Past Due and Still Accruing		26	[1]
Nonaccruals (Including Impaired Nonaccruals)		139	[1]
Real Estate Construction [Member] | Construction other [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	31
90 or More Days Past Due	89
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	3,109
Real Estate Construction [Member] | Construction other [Member] | As Reported [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	31
90 or More Days Past Due	89
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	89
Real Estate Construction [Member] | Construction other [Member] | As Restated [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	31
90 or More Days Past Due	89
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	3,109
Commercial Real Estate [Member] | Multifamily real estate [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	671
90 or More Days Past Due	261
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	4,624
Commercial Real Estate [Member] | Multifamily real estate [Member] | As Reported [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	4,202
90 or More Days Past Due	261
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	1,093
Commercial Real Estate [Member] | Multifamily real estate [Member] | As Restated [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	671
90 or More Days Past Due	261
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	4,624
Commercial Real Estate [Member] | Commercial real estate, owner occupied [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	1,113
90 or More Days Past Due	0
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	3,536
Commercial Real Estate [Member] | Commercial real estate, owner occupied [Member] | As Reported [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	1,113
90 or More Days Past Due	0
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	2,785
Commercial Real Estate [Member] | Commercial real estate, owner occupied [Member] | As Restated [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	1,113
90 or More Days Past Due	0
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	3,536
Consumer Non Real Estate [Member] | Automobile [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	142
90 or More Days Past Due	10
90 or More Days Past Due and Still Accruing	10
Nonaccruals (Including Impaired Nonaccruals)	49
Consumer Non Real Estate [Member] | Automobile [Member] | As Reported [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	142
90 or More Days Past Due	10
90 or More Days Past Due and Still Accruing	10
Nonaccruals (Including Impaired Nonaccruals)	3
Consumer Non Real Estate [Member] | Automobile [Member] | As Restated [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	142
90 or More Days Past Due	10
90 or More Days Past Due and Still Accruing	10
Nonaccruals (Including Impaired Nonaccruals)	49
Commercial Non Real Estate [Member] | Commercial and Industrial [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	291
90 or More Days Past Due	505
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	561
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] | As Reported [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	347
90 or More Days Past Due	505
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	505
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] | As Restated [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	291
90 or More Days Past Due	505
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	561
Public Sector and IDA [Member]
Financing receivable recorded investment past due [Line Items]
30 To 89 Days Past Due	0
90 or More Days Past Due	0
90 or More Days Past Due and Still Accruing	0
Nonaccruals (Including Impaired Nonaccruals)	$ 0

[1] Segments and classes at December 31, 2011 are reported using the segmentation method in effect for 2011. The Company began reporting under revised segments beginning in 2012.