Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2015

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 as follows:

	September 30, 2015
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Financial Assets
Cash and cash equivalents	$	682,272	$	682,272	$	682,272	$	—	$	—
Investment securities	2,926,135		2,928,416		—		2,928,416		—
Loans and loans held for sale, net of unearned income and allowance for loan losses	14,188,933		14,637,107		—		212,764		14,424,343
FDIC loss share receivables	43,443		8,437		—		—		8,437
Derivative instruments	41,440		41,440		—		41,440		—
Financial Liabilities
Deposits	$	16,303,065	$	15,996,499	$	—	$	—	$	15,996,499
Short-term borrowings	222,460		222,460		222,460		—		—
Long-term debt	341,973		311,982		—		—		311,982
Derivative instruments	38,147		38,147		—		38,147		—
	December 31, 2014
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Financial Assets
Cash and cash equivalents	$	548,095	$	548,095	$	548,095	$	—	$	—
Investment securities	2,275,813		2,278,334		—		2,278,334		—
Loans and loans held for sale, net of unearned income and allowance for loan losses	11,450,985		11,475,315		—		139,950		11,335,365
FDIC loss share receivables	69,627		19,606		—		—		19,606
Derivative instruments	32,903		32,903		—		32,903		—
Financial Liabilities
Deposits	$	12,520,525	$	12,298,017	$	—	$	—	$	12,298,017
Short-term borrowings	845,742		845,742		845,742		—		—
Long-term debt	403,254		376,139		—		—		376,139
Derivative instruments	31,354		31,354		—		31,354		—