Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

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, 2014:

(Dollars in thousands)	Contract/Notional Amount
Financial instruments representing credit risk:
Commitments to extend credit	$	538,488
Performance letters of credit	19,240
Financial standby letters of credit	27,526
Other letters of credit	101

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
2015	$	2,297
2016	2,269
2017	2,080
2018	2,096
2019	1,705
Thereafter	23,092
Total	$	33,539

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)	2014			2013			2012
Rental expense	$	2,732		$	2,304		$	2,250
Sublease rental income	(238		)	(278		)	(396		)
Net rental expense	$	2,494		$	2,026		$	1,854