The carrying amount and estimated fair values of the Company’s financial instruments, as well as the level within the fair value hierarchy, are included in the tables below. See Note 1, Summary of Significant Accounting Policies, and Note 2, Recent Accounting Pronouncements, in the Annual Report on Form 10-K for the year ended December 31, 2018, for a description of how fair value measurements are determined.



		March 31, 2019
(in thousands)		Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Measurement Category
Fair Value
	Financial Assets
	Securities available for sale	$	4,873,778	$	4,873,778	$	—	$	4,873,778	$	—
	Mortgage loans held for sale	128,451		128,451		—		128,451		—
	Mortgage loans held for investment, at fair value option	550		550		—		—		550
	Derivative instruments	51,086		51,086		—		51,086		—

	Financial Liabilities
	Derivative instruments	16,756		16,756		—		16,756		—

Amortized Cost
	Financial Assets
	Cash and cash equivalents	$	671,897	$	671,897	$	671,897	$	—	$	—
	Securities held to maturity	198,958		200,568		—		200,568		—
	Loans and leases, carried at amortized cost, net of unearned income and allowance for loan and lease losses	22,824,780		22,547,830		—		—		22,547,830

	Financial Liabilities
	Deposits	24,092,062		24,086,321		—		24,086,321		—
	Short-term borrowings	1,106,131		1,106,131		261,131		845,000		—
	Long-term debt	1,475,455		1,471,292		—		—		1,471,292



		December 31, 2018
(in thousands)		Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Measurement Category
Fair Value
	Financial Assets
	Securities available for sale	$	4,783,579	$	4,783,579	$	—	$	4,783,579	$	—
	Mortgage loans held for sale	107,734		107,734		—		107,734		—
	Mortgage loans held for investment, at fair value option	3,143		3,143		—		—		3,143
	Derivative instruments	27,048		27,048		—		27,048		—

	Financial Liabilities
	Derivative instruments	22,124		22,124		—		22,124		—

Amortized Cost
	Financial Assets
	Cash and cash equivalents	$	690,453	$	690,453	$	690,453	$	—	$	—
	Securities held to maturity	207,446		204,277		—		204,277		—
	Loans and leases, carried at amortized cost, net of unearned income and allowance for loan and lease losses	22,376,101		22,088,236		—		—		22,088,236

	Financial Liabilities
	Deposits	23,763,431		23,752,139		—		23,752,139		—
	Short-term borrowings	1,482,882		1,482,882		315,882		1,167,000		—
	Long-term debt	1,166,151		1,154,062		—		—		1,154,062