Allowance for Loan Losses - Recorded Investment Segregated By Amounts Individually Or Collectively In Allowance For Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	$ 941,307	$ 774,037
Balance, end of period: Individually evaluated for impairment	10,591	8,751
Balance, end of period: Collectively evaluated for impairment	930,716	765,286
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	317,315	300,338
Balance, end of period: Individually evaluated for impairment	2,038	838
Balance, end of period: Collectively evaluated for impairment	315,277	299,500
Real Estate Construction One-To- Four Family
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	40,335	30,161
Balance, end of period: Individually evaluated for impairment	191	353
Balance, end of period: Collectively evaluated for impairment	40,144	29,808
Real Estate Construction Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	66,000	32,599
Balance, end of period: Individually evaluated for impairment	788	2,520
Balance, end of period: Collectively evaluated for impairment	65,212	30,079
Real Estate Term Owner Occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	118,562	91,098
Balance, end of period: Individually evaluated for impairment	1,980	1,668
Balance, end of period: Collectively evaluated for impairment	116,582	89,430
Real Estate Term Non-Owner Occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	281,439	255,324
Balance, end of period: Individually evaluated for impairment	4,737	1,741
Balance, end of period: Collectively evaluated for impairment	276,702	253,583
Real Estate Term Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	51,820	29,976
Balance, end of period: Individually evaluated for impairment	151	1,292
Balance, end of period: Collectively evaluated for impairment	51,669	28,684
Consumer Secured By 1st Deed Of Trust
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	32,538	16,483
Balance, end of period: Individually evaluated for impairment	706	274
Balance, end of period: Collectively evaluated for impairment	31,832	16,209
Consumer Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	33,298	18,058
Balance, end of period: Individually evaluated for impairment	0	65
Balance, end of period: Collectively evaluated for impairment	$ 33,298	$ 17,993