Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Summary of Financial Instruments Outstanding

At December 31, 2016 and 2015, respectively, the Company had the following financial instruments outstanding and related reserves, whose contract amounts represent credit risk:

(Dollars in thousands)	2016		2015
Commitments to grant loans	$	355,558	$	61,240
Unfunded commitments under lines of credit	4,899,930		4,617,802
Commercial and standby letters of credit	163,560		150,281
Reserve for unfunded lending commitments	11,241		14,145