Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Estimated Fair Values and Carrying Amounts of Financial Instruments

The carrying amount and estimated fair values, as well as the level within the fair value hierarchy, of the Company’s financial instruments are included in the tables below. See Note 1, Summary of Significant Accounting Policies, in the 2015 Annual Report on Form 10-K for the year ended December 31, 2015, for a description of how fair value measurements are determined.

	June 30, 2016
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Financial Assets
Cash and cash equivalents	$	705,298	$	705,298	$	705,298	$	—	$	—
Investment securities	2,868,919		2,872,254		—		2,872,254		—
Loans and loans held for sale, net of unearned income and allowance for loan losses	14,804,762		15,074,988		—		229,653		14,845,335
FDIC loss share receivables	29,224		6,216		—		—		6,216
Derivative instruments	61,598		61,598		—		61,598		—
Financial Liabilities
Deposits	$	15,862,027	$	15,845,146	$	—	$	—	$	15,845,146
Short-term borrowings	765,637		765,637		—		765,637		—
Long-term debt	687,436		656,609		—		—		656,609
Derivative instruments	64,907		64,907		—		64,907		—
	December 31, 2015
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Financial Assets
Cash and cash equivalents	$	510,267	$	510,267	$	510,267	$	—	$	—
Investment securities	2,899,214		2,901,247		—		2,901,247		—
Loans and loans held for sale, net of unearned income and allowance for loan losses	14,355,297		14,674,749		—		166,247		14,508,502
FDIC loss share receivables	39,878		9,163		—		—		9,163
Derivative instruments	30,486		30,486		—		30,486		—
Financial Liabilities
Deposits	$	16,178,748	$	15,696,245	$	—	$	—	$	15,696,245
Short-term borrowings	326,617		326,617		—		326,617		—
Long-term debt	340,447		309,847		—		—		309,847
Derivative instruments	24,939		24,939		—		24,939		—