Loans and Allowance for Loan Losses - Aging (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Aging categories of performing loans and nonaccrual loans
Current	$ 893,118	$ 771,702
30-59 Days Past Due	3,288	8,981
60-89 Days Past Due	4,957	8,551
90 Days + Past Due	9,722	9,063
Total Past Due	17,967	26,595
Total Loans	911,085	798,297	$ 734,254
Non-Accrual	8,450	3,949
90 Days+ Still Accruing	$ 1,332	5,306
Period loan is past due when placed on non-accrual status	90 days
Commercial
Aging categories of performing loans and nonaccrual loans
Current	$ 640,206	541,803
30-59 Days Past Due	3,135	3,972
60-89 Days Past Due	4,837	6,425
90 Days + Past Due	8,906	8,552
Total Past Due	16,878	18,949
Total Loans	657,084	560,752	533,502
Non-Accrual	7,953	3,462
90 Days+ Still Accruing	1,013	5,090
Commercial Business
Aging categories of performing loans and nonaccrual loans
Current	310,523	233,464
30-59 Days Past Due	3,107	3,738
60-89 Days Past Due		1,500
90 Days + Past Due	96	176
Total Past Due	3,203	5,414
Total Loans	313,726	238,878
Non-Accrual	146	107
90 Days+ Still Accruing	10	69
Commercial Real Estate
Aging categories of performing loans and nonaccrual loans
Current	257,298	270,600
30-59 Days Past Due	28	234
60-89 Days Past Due	4,837	4,925
90 Days + Past Due	5,669	5,021
Total Past Due	10,534	10,180
Total Loans	267,832	280,780
Non-Accrual	5,020
90 Days+ Still Accruing	649	5,021
Acquisition & Development
Aging categories of performing loans and nonaccrual loans
Current	72,385	37,739
90 Days + Past Due	3,141	3,355
Total Past Due	3,141	3,355
Total Loans	75,526	41,094
Non-Accrual	2,787	3,355
90 Days+ Still Accruing	354
Residential
Aging categories of performing loans and nonaccrual loans
Current	183,834	167,392
30-59 Days Past Due		4,478
60-89 Days Past Due	119	2,126
90 Days + Past Due	590	511
Total Past Due	709	7,115
Total Loans	184,543	174,507	143,627
Non-Accrual	457	487
90 Days+ Still Accruing	133	216
Home Equity
Aging categories of performing loans and nonaccrual loans
Current	52,927	45,815
30-59 Days Past Due	143	120
90 Days + Past Due	36
Total Past Due	179	120
Total Loans	53,106	45,935	39,089
Non-Accrual	36
Consumer
Aging categories of performing loans and nonaccrual loans
Current	16,151	16,692
30-59 Days Past Due	10	411
60-89 Days Past Due	1
90 Days + Past Due	190
Total Past Due	201	411
Total Loans	16,352	$ 17,103	$ 18,036
Non-Accrual	4
90 Days+ Still Accruing	$ 186