New Accounting Pronouncements (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Jun. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Minimum noncancelable net operating lease payments evaluated			$ 1,900
ASU 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Trading securities, unrealized loss reclassified to net income		$ 9
Cumulative effect of new accounting principle in period of adoption			40
ASU 2018-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption			75
Retained earnings | ASU 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption	[1]		(40)
Retained earnings | ASU 2018-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption	[2]		$ 75

[1] As a result of ASU 2016-01, "Financial Instruments Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities", the Company reclassed $40 thousand of gains (losses) on available for sale equity securities sitting in accumulated other comprehensive income to retained earnings.

[2] As a result of ASU 2018-02, "Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income", the Company reclassed $75 thousand from accumulated other comprehensive income to retained earnings.