Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Supplemental Information Relating to Operating Leases

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(Dollars in thousands)		2020		2019		2020		2019
Lease expense incurred:
Operating lease cost	$	8,258	$	6,031	$	16,148	$	11,218

	At June 30,		At December 31,
(Dollars in thousands)	2020		2019
Operating lease right of use assets	$	151,653	$	161,435
Operating lease liabilities		163,690		169,909

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(Dollars in thousands)	2020		2019		2020		2019
Operating cash flows from operating leases	$	(4,917)	$	(4,495)	$	(9,836)	$	(8,926)

	At June 30,		At December 31,
	2020		2019
Weighted average remaining operating lease term	12.3 years		12.6 years
Weighted average discount rate on operating leases	4.10	%	3.91	%

Maturities of Lease Liabilities

(Dollars in thousands)
Remainder of 2020	$	10,269
2021		18,433
2022		20,883
2023		20,110
2024		19,859
2025		16,868
Thereafter		119,204
Undiscounted lease payments		225,626
Less: present value adjustment		61,936
Total operating lease liability	$	163,690