Loans - Components of Loans Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Loan portfolio [Abstract]
Loans	$ 893,650	$ 899,785	$ 1,137,255
Allowance for loan and lease losses	(24,779)	(17,430)
Loans, net	868,871	882,355
Commercial, financial and agricultural
Loan portfolio [Abstract]
Loans	255,410	267,340	401,048
Real estate – construction
Loan portfolio [Abstract]
Loans	89,723	87,506	94,679
Real estate – commercial
Loan portfolio [Abstract]
Loans	376,523	368,449	444,277
Real estate – residential
Loan portfolio [Abstract]
Loans	130,700	132,435	145,671
Consumer and other
Loan portfolio [Abstract]
Loans	40,784	43,506	50,888
Lease financing receivable
Loan portfolio [Abstract]
Loans	$ 510	$ 549	$ 692

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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- Definition

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.

+ References

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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.

+ References

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