Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Off-balance Sheet Financial Instruments

The following schedule summarizes the Corporation’s off-balance sheet financial instruments at December 31, 2015:

(Dollars in thousands)	Contract/Notional Amount
Financial instruments representing credit risk:
Commitments to extend credit	$	700,986
Performance letters of credit	25,854
Financial standby letters of credit	31,754
Other letters of credit	15

Summary of Future Minimum Rental Commitments Under Non-cancelable Operating Leases Net of Related Sublease Revenue

A summary of the future minimum rental commitments under non-cancelable operating leases with original or remaining terms greater than one year is as follows:

(Dollars in thousands)
Year	Amount
2016	$	2,739
2017	2,759
2018	2,733
2019	2,204
2020	2,234
Thereafter	34,822
Total	$	47,491

Summary of Rental Expense Charged to Operations

The following table summarizes rental expense charged to operations for the periods indicated:

	For the Years Ended December 31,
(Dollars in thousands)	2015			2014			2013
Rental expense	$	3,167		$	2,732		$	2,304
Sublease rental income	(195		)	(238		)	(278		)
Net rental expense	$	2,972		$	2,494		$	2,026