Loans and Leases - Major classifications of LHFI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	$ 602,009	$ 499,103
Proceeds from sales of loans and leases	4,178
Commercial real estate [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	261,561	225,679
Construction and land development [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	83,369	47,984
Commercial and industrial [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	108,146	85,980
Multi-family [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	23,389	16,249
Residential real estate [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	56,899	51,588
Leases [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	61,838	64,341
Tax certificates [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	3,705	4,755
Consumer [Member]
Major classifications of loans held for investment [Abstract]
Total LHFI, net of unearned income	$ 3,102	$ 2,527