Premises, Equipment And Leases (Tables)

12 Months Ended

Dec. 31, 2015

Property Plant And Equipment [Abstract]

Summary of Premises And Equipment

Premises and equipment on December 31 are summarized below:
(Dollars in thousands)			2015		2014
Land		$	67,442	$	76,667
Buildings			343,797		360,133
Leasehold improvements			31,270		32,404
Furniture, fixtures, and equipment			194,072		201,443
	Premises and equipment, at cost		636,581		670,647
Less accumulated depreciation and amortization			360,962		367,651
Premises and equipment, net		$	275,619	$	302,996

Minimum Future Lease Payments For Noncancelable Operating Leases On Premises And Equipment

Minimum future lease payments for noncancelable operating leases, primarily on premises, on December 31, 2015 are shown below:
(Dollars in thousands)
2016	$	17,723
2017		15,769
2018		13,690
2019		11,468
2020		9,509
2021 and after		27,059
Total minimum lease payments	$	95,218

Payments required under capital leases are not material.

Rent Expense Incurred Under All Operating Lease Obligations

Rent expense incurred under all operating lease obligations for the years ended December 31 is as follows:
(Dollars in thousands)		2015		2014		2013
Rent expense, gross	$	18,166	$	20,123	$	19,445
Sublease income		(5)		(213)		(1,974)
Rent expense, net	$	18,161	$	19,910	$	17,471