Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Summary of Financial Instruments Outstanding

At December 31, the Company had the following financial instruments outstanding and related reserves, whose contract amounts represent credit risk:

(Dollars in thousands)	2015		2014
Commitments to grant loans	$	61,240	$	161,350
Unfunded commitments under lines of credit	4,617,802		4,007,954
Commercial and standby letters of credit	150,281		134,882
Reserve for unfunded lending commitments	14,145		11,801