CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net Income	$ 10,768	$ 1,269	$ 21,914	$ 6,501
Other Comprehensive (Loss) Income, net of tax:
Net unrealized loss on securities available for sale	(1,863)	(1,208)	(2,517)	(60)
Amortization of net unrealized loss on securities available for sale transferred to held to maturity	28	44	130	61
Fair value adjustments on derivatives	(8,189)	4,429	(7,332)	5,403
Benefit plan adjustments	8	7	(14)	(36)
Total Other Comprehensive (Loss) Income	(10,016)	3,272	(9,733)	5,368
Total Comprehensive Income	$ 752	$ 4,541	$ 12,181	$ 11,869