Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Summary of Unfunded Commitments

Unfunded commitments are as follows:

	March 31, 2018		December 31, 2017
	(Dollars in thousands)
Commitments to fund loans	$	985,837	$	926,405
Unused lines of credit	674,149		571,587
Commercial and standby letters of credit	50,976		46,520
Total	$	1,710,962	$	1,544,512