Other income and other expense

12 Months Ended

Dec. 31, 2016

Other Income And Expenses [Abstract]

Other income and other expense

16.    Other income and other expense

The following items, which exceeded 1% of total interest income and other income in the respective period, were included in either “other revenues from operations” or “other costs of operations” in the consolidated statement of income:

	Year Ended December 31
	2016		2015		2014
	(In thousands)
Other income:
Credit-related fee income	$	70,424	$	81,558	$	72,454
Letter of credit fees				52,724		56,708
Bank owned life insurance				52,984		50,004
Other expense:
Professional services		268,060		267,540		324,460
Amortization of capitalized servicing rights				49,906		68,410