Bank Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Bank Premises and Equipment

Summary of bank premises and equipment, by asset classification

	Estimated
	useful lives				2015		2014
					(Dollars in Thousands)
Bank buildings and improvements	5	-	40	years	$	523,022	$	509,830
Furniture, equipment and vehicles	1	-	20	years		274,923		269,861
Land						121,936		125,414
Real estate held for future expansion:
Land, building, furniture, fixture and equipment	7	-	27	years		—		—
Less: accumulated depreciation						(403,165)		(378,682)
Bank premises and equipment, net					$	516,716	$	526,423