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Fair Values of Financial and Nonfinancial Instruments (Tables)
 12 Months Ended
Dec. 31, 2014
Fair Values of Financial and Nonfinancial Instruments  
Fair value measurement methods and values for financial instruments measured on a recurring basis

 

                                                                                                                                                                                    

 

 

FAIR VALUE AT DECEMBER 31, 

 

(in thousands)

 

HIERARCHY

 

 
2014

 

 
2013

 

 

 

Marketable securities, available-for-sale:

 

 

 

 

 

 

 

 

 

U.S. Treasury securities

 

Level 1

 

$
350

 

$
76,504

 

Obligations of U.S. government agencies

 

Level 1

 

 

–

 

 
17,068

 

Municipal debt securities

 

Level 2

 

 
15,183

 

 
32,976

 

Corporate debt securities

 

Level 2

 

 

–

 

 
157,879

 

Asset-backed securities

 

Level 2

 

 

–

 

 
20,489

 

Time deposits

 

Level 2

 

 
7,511

 

 
1,606

 

Short-term pooled investments

 

Level 1

 

 

–

 

 
6,633

 

Mortgage loans held-for-sale

 

Level 2

 

 
153,366

 

 
139,576

 

Mortgage interest rate lock commitments

 

Level 2

 

 
4,229

 

 
5,218

 

Forward-delivery contracts

 

Level 2

 

 
(2,141

)

 
2,261