Loans and Leases - Major classifications of LHFI (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2015	Dec. 31, 2014
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	$ 377,791	$ 447,647	$ 415,132
Proceeds from sales of loans and leases	1,804
Commercial real estate [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	154,510	206,139	175,038
Construction and land development [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	41,180	33,786	45,662
Commercial and industrial [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	71,759	83,825	76,489
Multi-family [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	13,336	16,172	13,823
Residential real estate [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	40,223	42,166	42,992
Leases [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	45,925	58,090	51,583
Tax certificates [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	9,631	4,804	7,191
Consumer [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	$ 1,227	$ 2,665	$ 2,354