Loans and Leases - Major classifications of LHFI (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	$ 531,147	$ 499,103	$ 418,686
Commercial real estate [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	237,343	225,679	194,277
Construction and land development [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	61,095	47,984	18,610
Commercial and industrial [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	92,189	85,980	83,240
Multi-family [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	16,576	16,249	17,594
Residential real estate [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	49,370	51,588	43,416
Leases [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	67,267	64,341	53,473
Tax certificates [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	4,820	4,755	5,608
Consumer [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	$ 2,487	$ 2,527	$ 2,468