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Premises and Equipment

12 Months Ended

Dec. 31, 2019

Premises and Equipment

Premises and Equipment

Note 6—Premises and Equipment

Premises and equipment consisted of the following:


							December 31,
(Dollars in thousands)		Useful Life					2019			2018
Land							$	74,913		$	77,338
Buildings and leasehold improvements		15	-	40	years			226,750			224,620
Equipment and furnishings		3	-	10	years			106,696			109,468
Lease right of use assets								87,389			—
Construction in process								1,977			3,782
Total								497,725			415,208
Less accumulated depreciation								(180,404)			(174,132)
							$	317,321		$	241,076

Depreciation expense charged to operations was $18.2 million, $18.7 million, and $15.2 million for the years ended December 31, 2019, 2018, and 2017, respectively.

At December 31, 2019 and 2018, computer software with an original cost of $13.7 million and $13.5 million, respectively, were being amortized using the straight-line method over thirty-six months. Amortization expense totaled $1.2 million, $2.1 million, and $2.5 million for the years ended December 31, 2019, 2018, and 2017, respectively. There were $1.3 million in capitalized implementation costs in 2019 related to internal use software following the guidance of ASU No. 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract. Of this amount, $1.1 million was related to a new commercial loan platform and $171,000 was related to a front capture software product for administering customer banking transactions at branch locations. These costs are being held in a suspense account classified as other assets on the balance sheet until the project is complete when they will then begin to be depreciated.

See Note 20 – Lease Commitments for further details on lease right of use asset.