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Note 16 - Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Fair Value Disclosures [Text Block]
1
6
.
     
Fair Value of Financial Instruments
 
      The following methods and assumptions were used to estimate the fair value of each class of financial instruments.
 
     
Cash and Cash Equivalents.
For cash and cash equivalents, the carrying amount was assumed to be a reasonable estimate of fair value, a Level
1
measurement.
 
      Short-term Investments.
For short-term investments, the carrying amount was assumed to be a reasonable estimate of fair value, a Level
1
measurement.
 
Securities.
For securities, including securities held-to-maturity, available-for-sale and for trading, fair values were based on quoted market prices at the reporting date. If a quoted market price was not available, fair value was estimated using quoted market prices for similar securities or dealer quotes. For certain actively traded agency preferred stocks
, U.S. Treasury securities, and other equity securities, the Company measures the fair value based on quoted market prices in active exchange markets at the reporting date, a Level
1
measurement. The Company also measures securities by using quoted market prices for similar securities or dealer quotes, a Level
2
measurement. This category generally includes U.S. Government agency securities, state and municipal securities, mortgage-backed securities (“MBS”), commercial MBS, collateralized mortgage obligations, asset-backed securities, and corporate bonds.
 
Loans held for sale
. The Company records loans held for sale at fair value based on quoted price from
third
party sources, or appraisal reports adjusted by sales commission assumption, a Level
3
measurement.
 
Loans.
Fair values were estimated for portfolios of loans with similar financial characteristics. Each loan category was further segmented into fixed and adjustable rate interest terms and by performing and non-performing categories.
 
      The fair value of performing loans was calculated by discounting scheduled cash flows through the estimated maturity using estimated market discount rates that reflect the credit and interest rate risk inherent in the loan, a Level
3
measurement.
 
The fair value of impaired loans was calculated based on the net realizable fair value of the collateral or the observable market price of the most recent sale or quoted price from loans held for sale. The Company does not record loans at fair value on a recurring basis. Nonrecurring fair value adjustments to collateral dependent impaired loans are recorded based on the current appraised value of the collateral, a Level
2
measurement, or management’s judgment and estimation of value reported on old appraisals which are then adjusted based on recent market trends, a Level
3
measurement.
 
Deposit Liabilities.
The fair value of demand deposits, savings accounts, and certain money market deposits was assumed to be the amount payable on demand at the reporting date. The fair value of fixed-maturity certificates of deposit was estimated using the rates currently offered for deposits with similar remaining maturities, a Level
3
measurement.
 
      Securities Sold under Agreements to Repurchase.
The fair value of securities sold under agreements to repurchase is based on dealer quotes, a Level
2
measurement.
 
     
Advances from Federal Home Loan Bank.
The fair value of the advances is based on quotes from the FHLB to settle the advances, a Level
2
measurement.
 
Other Borrowings.
This category includes borrowings from other financial institutions.  The fair value of other borrowings is calculated by discounting scheduled cash flows through the estimated maturity using estimated market discount rates that reflect the credit and interest rate risk, a Level
3
measurement. 
 
Long-term Debt.
The fair value of long-term debt is estimated based on the quoted market prices or dealer quotes, a Level
2
measurement.
 
Currency Option and Foreign Exchange Contracts
. The Company measures the fair value of currency option and foreign exchange contracts based on observable market rates, a Level
2
measurement.
 
I
nterest Rate Swaps
. Fair value of interest rate swaps is derived from
third
party models with observable market data, a Level
2
measurement.
 
Off-Balance-Sheet Financial Instruments.
The fair value of commitments to extend credit, standby letters of credit, and financial guarantees written were estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counter parties. The fair value of guarantees and letters of credit was based on fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligations with the counter parties at the reporting date. Off-balance-sheet financial instruments were valued based on the assumptions that a market participant would use, a Level
3
measurement.
 
      Fair value was estimated in accordance with ASC Topic
825.
Fair value estimates were made at specific points in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at
one
time the Bank’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Bank’s financial instruments, fair value estimates were based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates were subjective in nature and involved uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect the estimates.
 
 
Fair Value of Financial Instruments
 
 
 
December 31, 2016
 
 
December 31, 2015
 
 
 
Carrying
 
 
 
 
 
 
Carrying
 
 
 
 
 
 
 
Amount
 
 
Fair Value
 
 
Amount
 
 
Fair Value
 
 
 
(In thousands)
 
Financial Assets
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash and due from banks
  $
218,017
    $
218,017
    $
180,130
    $
180,130
 
Short-term investments
   
967,067
     
967,067
     
536,880
     
536,880
 
Securities available-for-sale
   
1,314,345
     
1,314,345
     
1,586,352
     
1,586,352
 
Loans held for sale
   
7,500
     
7,500
     
6,676
     
6,676
 
Loans, net
   
11,077,315
     
11,006,344
     
10,016,227
     
9,938,810
 
Investment in Federal Home Loan Bank stock
   
17,250
     
17,250
     
17,250
     
17,250
 
Warrants
   
79
     
79
     
62
     
62
 
 
 
 
Notional
 
 
 
 
 
 
Notional
 
 
 
 
 
 
 
Amount
 
 
Fair Value
 
 
Amount
 
 
Fair Value
 
Foreign exchange contracts
 
82,439
   
1,302
   
100,602
   
3,339
 
Interest rate swaps
   
361,526
     
938
     
-
     
-
 
 
 
 
Carrying
 
 
 
 
 
 
Carrying
 
 
 
 
 
 
 
Amount
 
 
Fair Value
 
 
Amount
 
 
Fair Value
 
Financial Liabilities
 
                               
Deposits
  $
11,674,726
   
11,680,017
    $
10,509,087
   
10,509,879
 
Securities sold under agreements to repurchase
   
350,000
     
351,989
     
400,000
     
413,417
 
Advances from Federal Home Loan Bank
   
350,000
     
350,062
     
275,000
     
274,488
 
Other borrowings
   
17,662
     
15,944
     
18,593
     
16,684
 
Long-term debt
   
119,136
     
63,169
     
119,136
     
58,420
 
 
 
 
Notional
 
 
 
 
 
 
Notional
 
 
 
 
 
 
 
Amount
 
 
Fair Value
 
 
Amount
 
 
Fair Value
 
Option contracts
  $
12,117
    $
121
    $
9,396
    $
28
 
Foreign exchange contracts
   
89,545
     
3,132
     
115,418
     
4,124
 
Interest rate swaps
   
119,136
     
3,744
     
459,416
     
6,496
 
 
 
 
Notional
 
 
 
 
 
 
Notional
 
 
 
 
 
 
 
Amount
 
 
Fair Value
 
 
Amount
 
 
Fair Value
 
Off-Balance Sheet Financial Instruments
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Commitments to extend credit
  $
2,062,241
    $
(6,025
)   $
1,971,848
    $
(5,570
)
Standby letters of credit
   
75,396
     
(668
)    
49,081
     
(194
)
Other letters of credit
   
37,283
     
(16
)    
38,131
     
(22
)
Bill of lading guarantees
   
75
     
(0
)    
454
     
(1
)
 
The following tables present the level in the fair value hierarchy for the estimated fair values of only financial instruments that are not already on the Consolidated Balance Sheets at fair value at
December
31,
2016,
and
December
31,
2015.
 
 
 
As of December 31, 2016
 
 
 
Estimated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fair Value
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Measurements
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
 
 
(In thousands)
 
Financial Assets
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash and due from banks
  $
218,017
    $
218,017
    $
-
    $
-
 
Short-term investments
   
967,067
     
967,067
     
-
     
-
 
Securities available-for-sale
   
1,314,345
     
513,376
     
800,969
     
-
 
Loans held-for-sale
   
7,500
     
-
     
-
     
7,500
 
Loans, net
   
11,006,344
     
-
     
-
     
11,006,344
 
Investment in Federal Home Loan Bank stock
   
17,250
     
-
     
17,250
     
-
 
Warrants
   
79
     
-
     
-
     
79
 
Financial Liabilities
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Deposits
   
11,680,017
     
-
     
-
     
11,680,017
 
Securities sold under agreement to repurchase
   
351,989
     
-
     
351,989
     
-
 
Advances from Federal Home Loan Bank
   
350,062
     
-
     
350,062
     
-
 
Other borrowings
   
15,944
     
-
     
-
     
15,944
 
Long-term debt
   
63,169
     
-
     
63,169
     
-
 
 
 
 
 
 
As of December 31, 2015
 
 
 
Estimated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fair Value
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Measurements
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
 
 
(In thousands)
 
Financial Assets
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash and due from banks
  $
180,130
    $
180,130
    $
-
    $
-
 
Short-term investments
   
536,880
     
536,880
     
-
     
-
 
Securities available-for-sale
(1)
   
1,586,352
     
302,032
     
1,284,320
     
-
 
Loans held-for-sale
   
6,676
     
-
     
-
     
6,676
 
Loans, net
   
9,938,810
     
-
     
-
     
9,938,810
 
Investment in Federal Home Loan Bank stock
   
17,250
     
-
     
17,250
     
-
 
Warrants
   
62
     
-
     
-
     
62
 
Financial Liabilities
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Deposits
   
10,509,879
     
-
     
-
     
10,509,879
 
Securities sold under agreement to repurchase
   
413,417
     
-
     
413,417
     
-
 
Advances from Federal Home Loan Bank
   
274,488
     
-
     
-
     
274,488
 
Other borrowings
   
16,684
     
-
     
-
     
16,684
 
Long-term debt
   
58,420
     
-
     
58,420
     
-
 
 
(1)
Preferred stock of government sponsored entities and other equity securities as of
December
31,
2015
were reclassified as level
1
rather than
level
2
as originally classified due to the availability of quoted prices in active markets.