Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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Loans - Loan Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Loans held-for-investment:
Total loan balance	$ 1,464,855		$ 1,359,458
Deferred loan origination fees, net	(741)		(742)
Loans, net of deferred fees	1,464,114		1,358,716	$ 1,133,603
Allowance for loan losses	(19,921)	$ (19,458)	(18,926)	(18,757)	$ (18,554)	$ (18,379)
Loans, net	1,444,193		1,339,790
Commercial
Loans held-for-investment:
Total loan balance	610,385		556,522
Allowance for loan losses	(11,528)	(11,279)	(10,748)	(11,193)	(10,856)	(11,187)
Real estate
Loans held-for-investment:
Total loan balance	834,433		786,926
Allowance for loan losses	(8,277)	(8,068)	(8,076)	(7,450)	(7,554)	(7,070)
Real estate \| Commercial
Loans held-for-investment:
Total loan balance	619,539		625,665
Real estate \| Land and construction
Loans held-for-investment:
Total loan balance	103,710		84,428
Real estate \| Home equity
Loans held-for-investment:
Total loan balance	78,332		76,833
Real estate \| Residential mortgages
Loans held-for-investment:
Total loan balance	32,852
Consumer
Loans held-for-investment:
Total loan balance	20,037		16,010
Allowance for loan losses	$ (116)	$ (111)	$ (102)	$ (114)	$ (144)	$ (122)