Loans Receivable (Details 4) (Purchased Covered and Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	$ 228,673	$ 111,072
Loans receivable, OAEM	10,091	7,607
Loans receivable, Substandard	29,735	22,895
Loans receivable, Doubtful	6,446	10,879
Gross loans receivable	274,945	152,453
One-to-four family residential [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	12,735	6,059
Loans receivable, OAEM	889	903
Loans receivable, Substandard	2,971	1,105
Loans receivable, Doubtful	0	0
Gross loans receivable	16,595	8,067
Commercial business [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	198,771	92,672
Loans receivable, OAEM	8,860	6,547
Loans receivable, Substandard	22,545	16,291
Loans receivable, Doubtful	5,378	7,088
Gross loans receivable	235,554	122,598
Commercial business [Member] | Commercial and industrial [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	60,909	40,577
Loans receivable, OAEM	4,572	1,753
Loans receivable, Substandard	8,369	6,809
Loans receivable, Doubtful	1,360	1,405
Gross loans receivable	75,210	50,544
Commercial business [Member] | Owner-occupied commercial real estate [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	84,723	40,676
Loans receivable, OAEM	3,112	2,390
Loans receivable, Substandard	5,544	4,676
Loans receivable, Doubtful	637	265
Gross loans receivable	94,016	48,007
Commercial business [Member] | Non-owner occupied commercial real estate [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	53,139	11,419
Loans receivable, OAEM	1,176	2,404
Loans receivable, Substandard	8,632	4,806
Loans receivable, Doubtful	3,381	5,418
Gross loans receivable	66,328	24,047
Real estate construction and land development [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	3,088	556
Loans receivable, OAEM	0	0
Loans receivable, Substandard	2,836	1,495
Loans receivable, Doubtful	147	3,759
Gross loans receivable	6,071	5,810
Real estate construction and land development [Member] | One-to-four family residential [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	495	136
Loans receivable, OAEM	0	0
Loans receivable, Substandard	1,739	1,051
Loans receivable, Doubtful	0	3,759
Gross loans receivable	2,234	4,946
Real estate construction and land development [Member] | Five or more family residential and commercial properties [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	2,593	420
Loans receivable, OAEM	0	0
Loans receivable, Substandard	1,097	444
Loans receivable, Doubtful	147	0
Gross loans receivable	3,837	864
Consumer [Member]
Schedule of Loans Receivable by Credit Quality Indicator
Loans receivable, Pass	14,079	11,785
Loans receivable, OAEM	342	157
Loans receivable, Substandard	1,383	4,004
Loans receivable, Doubtful	921	32
Gross loans receivable	$ 16,725	$ 15,978