Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Summary of Premises and Equipment

A summary of premises and equipment at December 31 is as follows:

		2018						2017
($ in Thousands)	Estimated Useful Lives	Cost		Accumulated Depreciation		Net Book Value		Net Book Value
Land	—	$	67,737	$	—	$	67,737	$	59,257
Land improvements	3 – 15 years	14,730		7,518		7,212		6,313
Buildings and improvements	5 – 39 years	363,000		150,464		212,536		198,431
Computers	3 – 5 years	45,768		33,375		12,392		11,078
Furniture, fixtures and other equipment	3 – 15 years	168,567		118,676		49,891		42,049
Leasehold improvements	3 – 15 years	34,248		20,791		13,457		13,835
Total premises and equipment		$	694,050	$	330,824	$	363,225	$	330,963

Minimum annual rentals and commitments under noncancelable operating leases

The approximate minimum annual rental payments and rental receipts under noncancelable agreements and leases with remaining terms in excess of one year are as follows:

($ in Thousands)	Payments		Receipts
2019	$	10,235	$	2,963
2020	10,107		3,030
2021	9,500		2,860
2022	7,084		1,875
2023	5,183		1,260
Thereafter	22,622		7,806
Total	$	64,732	$	19,794