|3 Months Ended|
Mar. 31, 2019
|Investments Debt And Equity Securities [Abstract]|
The Company invests its excess cash in money market funds and debt instruments of financial institutions, corporations, government sponsored entities and municipalities. The following tables summarize the Company’s marketable securities (in thousands):
The entire disclosure for investments in certain debt and equity securities.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef