Subsequent Events Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended				6 Months Ended
	Jan. 30, 2018	Dec. 31, 2017	[1]	Dec. 31, 2016	[2]	Dec. 31, 2017	Dec. 31, 2016
Subsequent Event [Line Items]
Dividends, Common Stock, Cash		$ 1,064		$ 1,032		$ 2,142	$ 2,065
Subsequent Event [Member]
Subsequent Event [Line Items]
Quarterly cash dividend declared, common stock	$ 0.14

[1] Cash dividends of $0.14 per share were paid in the quarter ended December 31, 2017.

[2] Cash dividends of $0.13 per share were paid in the quarter ended December 31, 2016.