Commitments and Financial Instruments with Off-Balance-Sheet Risk (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of financial instruments whose contract amounts represent credit risk

The following table shows financial instruments whose contract amounts represent credit risk.

(Dollars in thousands)	June 30, 2018		December 31, 2017
Amounts of commitments:
Loan commitments to extend credit	$	1,022,077	$	1,030,334
Standby letters of credit	$	30,911	$	29,961
Commercial and similar letters of credit	$	2,113	$	1,837