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Investment Securities (Tables)

9 Months Ended

Sep. 30, 2016

Schedule of Available-for-sale Securities [Line Items]

Available-for-sale Securities [Table Text Block]

The investment securities consist of the following at September 30, 2016 and December 31, 2015 (in thousands):



	September 30, 2016		December 31, 2015
Federal and municipal tax-exempt debt securities	$	8,794	$	4,951
Corporate bonds	66,293		25,400
U.S. Treasury securities	30,052		7,537
Commercial paper	699		2,097
Certificates of deposit	799		1,248
Total investment securities	$	106,637	$	41,233

Available-for-sale classification [Table Text Block]

The following table summarizes our investment securities by balance sheet classification at September 30, 2016 and December 31, 2015 (in thousands):



	September 30, 2016		December 31, 2015
Reported as:
Short-term investment securities	$	49,475	$	41,233
Long-term investment securities	57,162		—
Total	$	106,637	$	41,233

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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