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Concentrations of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2017

Risks And Uncertainties [Abstract]

Company's Demand Deposits and Temporary Cash Investments

  At December 31, 2017 and 2016, the Company’s demand deposits and temporary cash investments consisted of the following (in thousands):

		2017				2016
Deposits in FDIC and SIPC-insured institutions under insurance limits		$	13,860			$	846
Deposits in FDIC and SIPC-insured institutions over insurance limits			106,849				12,866
Deposits in foreign banks			21,479				27,557
			142,188				41,269
Less outstanding checks and other reconciling items			(99,360	)			(6,117	)
Cash and cash equivalents		$	42,828			$	35,152

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Tabular disclosure of the components of cash and cash equivalents.

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