Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value, Assets Measured on Recurring Basis

The following tables present information on the assets and liabilities measured and recorded at fair value on a recurring basis as of the dates indicated:



	Fair Value Measurements as of
	March 31, 2017
Measured on a Recurring Basis	Total		Level 1		Level 2		Level 3
	(In thousands)
Securities available‑for‑sale:
Residential MBS and CMOs:
Agency MBS	$	474,556	$	—	$	474,556	$	—
Agency CMOs	138,932		—		138,932		—
Private label CMOs	149,400		—		104,119		45,281
Municipal securities	1,483,281		—		1,483,281		—
Agency commercial MBS	712,071		—		712,071		—
Corporate debt securities	18,211		—		18,211		—
Collateralized loan obligations	127,973		—		127,973		—
SBA securities	168,334		—		168,334		—
Asset-backed and other securities	64,234		1,960		54,398		7,876
Total securities available-for-sale	3,336,992		1,960		3,281,875		53,157
Derivative assets	427		—		427		—
Equity warrants	5,368		—		—		5,368
Total recurring assets	$	3,342,787	$	1,960	$	3,282,302	$	58,525
Derivative liabilities	$	3,295	$	—	$	3,295	$	—



	Fair Value Measurements as of
	December 31, 2016
Measured on a Recurring Basis	Total		Level 1		Level 2		Level 3
	(In thousands)
Securities available‑for‑sale:
Residential MBS and CMOs:
Agency MBS	$	502,443	$	—	$	502,443	$	—
Agency CMOs	146,289		—		146,289		—
Private label CMOs	125,469		—		68,567		56,902
Municipal securities	1,456,459		—		1,456,459		—
Agency commercial MBS	547,692		—		547,692		—
Corporate debt securities	47,509		—		47,509		—
Collateralized loan obligations	156,887		—		156,887		—
SBA securities	178,845		—		178,845		—
Asset-backed and other securities	62,237		2,080		51,784		8,373
Total securities available-for-sale	3,223,830		2,080		3,156,475		65,275
Derivative assets	694		—		694		—
Equity warrants	5,497		—		—		5,497
Total recurring assets	$	3,230,021	$	2,080	$	3,157,169	$	70,772
Derivative liabilities	$	3,285	$	—	$	3,285	$	—

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques

The following table presents information about quantitative inputs and assumptions used to determine the fair values provided by our third party pricing service for our Level 3 private label CMOs and asset-backed securities available-for-sale measured at fair value on a recurring basis as of the date indicated:



	March 31, 2017
	Private Label CMOs		Asset-Backed Securities (1)
		Weighted		Weighted
	Range	Average	Range	Average
Unobservable Inputs	of Inputs	Input	of Inputs	Input
Voluntary annual prepayment speeds	2.4% - 32.6%	8.8%	5% - 5%	5.0%
Annual default rates	0% - 14.5%	2.3%	1% - 1%	1.0%
Loss severity rates	0% - 92.9%	41.0%	15% - 15%	15.0%
Discount rates	0% - 10.3%	4.4%	3.5% - 3.5%	3.5%

Fair Value, Quantitative Inputs and Assumptions Used to Determine Fair Value

The following table presents information about quantitative inputs and assumptions used in the modified Black-Scholes option pricing model to determine the fair value for our Level 3 equity warrants measured at fair value on a recurring basis as of the date indicated:



	March 31, 2017
	Equity Warrants
	Weighted
	Average
Unobservable Inputs	Input
Volatility	17.8%
Risk-free interest rate	1.7%
Remaining life assumption (in years)	3.8

Fair Value, Assets Measured on Recurring Basis, Significant Unobservable Inputs (Level 3) Reconciliation

The following table summarizes activity for our Level 3 private label CMOs available-for-sale, asset-backed securities available-for-sale, and equity warrants measured at fair value on a recurring basis for the period indicated:



	Private			Asset-Backed			Equity
	Label CMOs			Securities			Warrants
	(In thousands)
Balance, December 31, 2016	$	56,902		$	8,373		$	5,497
Total included in earnings	1,063			25			155
Total included in other comprehensive income	(534		)	(42		)	—
Sales	(4,732		)	—			(518		)
Issuances	—			—			234
Net settlements	(7,418		)	(480		)	—
Balance, March 31, 2017	$	45,281		$	7,876		$	5,368

Assets carried at fair value on a nonrecurring basis

The following tables present assets measured at fair value on a non‑recurring basis as of the dates indicated:



	Fair Value Measurement as of
	March 31, 2017
Measured on a Non‑Recurring Basis	Total		Level 1		Level 2		Level 3
	(In thousands)
Impaired Non‑PCI loans	$	73,047	$	—	$	—	$	73,047



	Fair Value Measurement as of
	December 31, 2016
Measured on a Non‑Recurring Basis	Total		Level 1		Level 2		Level 3
	(In thousands)
Impaired Non‑PCI loans	$	149,749	$	—	$	1,661	$	148,088
OREO	11,224		—		11,224		—
Investments carried at cost	242		—		—		242
Total non-recurring	$	161,215	$	—	$	12,885	$	148,330

Net Losses (Gains) on Nonrecurring Assets

The following table presents losses recognized on assets measured on a nonrecurring basis for the periods indicated:



	Three Months Ended
Losses on Assets	March 31,
Measured on a Non‑Recurring Basis	2017		2016
	(In thousands)
Impaired Non‑PCI loans	$	13,617	$	12,909

Fair Value Inputs, Assets, Quantitative Information

The following table presents the valuation methodology and unobservable inputs for Level 3 assets measured at fair value on a nonrecurring basis as of the date indicated:

March 31, 2017

Valuation

Unobservable

Weighted

Asset

Fair Value

Technique

Inputs

Range

Average

(In thousands)

Impaired Non-PCI loans

65,114

Discounted cash flows

Discount rates

0% - 8.75%

6.60%

7,933

Third party appraisals

No discounts

Total non-recurring Level 3

73,047

Fair Value, by Balance Sheet Grouping

The following tables present a summary of the carrying values and estimated fair values of certain financial instruments as of the dates indicated:



	March 31, 2017
	Carrying or
	Contract		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and due from banks	$	184,608	$	184,608	$	184,608	$	—	$	—
Interest‑earning deposits in financial institutions	111,892		111,892		111,892		—		—
Securities available‑for‑sale	3,336,992		3,336,992		1,960		3,281,875		53,157
Investment in FHLB stock	17,901		17,901		—		17,901		—
Investments carried at cost	1,175		12,412		—		—		12,412
Loans and leases, net	15,395,382		15,526,920		—		—		15,526,920
Derivative assets	427		427		—		427		—
Equity warrants	5,368		5,368		—		—		5,368

Financial Liabilities:
Deposits:
Demand, money market, interest checking,
and savings deposits	13,923,143		13,923,143		—		13,923,143		—
Time deposits	2,407,865		2,399,793		—		2,399,793		—
Borrowings	460,609		460,627		456,000		4,627		—
Subordinated debentures	442,516		425,914		—		425,914		—
Derivative liabilities	3,295		3,295		—		3,295		—



	December 31, 2016
	Carrying or
	Contract		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and due from banks	$	337,965	$	337,965	$	337,965	$	—	$	—
Interest‑earning deposits in financial institutions	81,705		81,705		81,705		—		—
Securities available‑for‑sale	3,223,830		3,223,830		2,080		3,156,475		65,275
Investment in FHLB stock	21,870		21,870		—		21,870		—
Investments carried at cost	1,416		3,843		—		—		3,843
Loans and leases, net	15,298,716		15,494,808		—		1,661		15,493,147
Derivative assets	694		694		—		694		—
Equity warrants	5,497		5,497		—		—		5,497

Financial Liabilities:
Deposits:
Demand, money market, interest checking,
and savings deposits	13,698,321		13,698,321		—		13,698,321		—
Time deposits	2,172,290		2,166,187		—		2,166,187		—
Borrowings	905,812		905,838		591,000		314,838		—
Subordinated debentures	440,744		424,507		—		424,507		—
Derivative liabilities	3,285		3,285		—		3,285		—