Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Summary of supplemental balance sheet information related to leases

(Dollars in thousands)	September 30, 2021			December 31, 2020
Operating lease ROU asset	$	50,155		$	50,743
Operating lease liability	$	54,239		$	59,100
Weighted-average remaining lease term-operating leases		7.5 years			8.3 years
Weighted average discount rate-operating leases		3.2	%		3.2	%

Schedule of components of lease expense and cash flow information related to leases

	For the three months ended
(Dollars in thousands)	September 30, 2021		September 30, 2020
Lease Cost
Operating lease cost	$	2,217	$	1,895
Short-term lease cost		34		34
Variable lease cost		230		281
Total lease cost	$	2,481	$	2,210
Other information
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	2,435	$	2,101
Right-of-use assets obtained in exchange for new operating lease liabilities	$	28	$	6,772

	For the nine months ended
(Dollars in thousands)	September 30, 2021		September 30, 2020
Lease Cost
Operating lease cost	$	6,565	$	5,676
Short-term lease cost		129		102
Variable lease cost		826		832
Total lease cost	$	7,520	$	6,610
Other information
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	10,483	$	6,283
Right-of-use assets obtained in exchange for new operating lease liabilities	$	4,827	$	6,822

Schedule of Minimum annual rental payments for Bank facilities due under non-cancelable leases

	For the nine months ended
(Dollars in thousands)	September 30, 2021		September 30, 2020
Lease Cost
Operating lease cost	$	6,565	$	5,676
Short-term lease cost		129		102
Variable lease cost		826		832
Total lease cost	$	7,520	$	6,610
Other information
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	10,483	$	6,283
Right-of-use assets obtained in exchange for new operating lease liabilities	$	4,827	$	6,822