Low Income Housing Tax Credit Partnerships (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Sep. 30, 2017	Dec. 31, 2018
Affordable Housing Tax Credit Investments, Unfunded Commitment [Abstract]
2019	$ 3,505
2020	8,317
2021	42
2022	49
2023	42
Thereafter	1,281
Total Unfunded Commitments	13,236
Effective Yield Method
Tax credits and other tax benefits recognized	2,930	$ 3,432
Amortization Expense in Provision for Income Taxes	1,891	2,078
Proportional Amortization Method
Tax credits and other tax benefits recognized	753	410
Amortization Expense in Provision for Income Taxes	645	333
Net affordable housing tax credit investments and related unfunded commitments	71,200			$ 73,700
Write down from impairment of LIHTC Investments	$ 0		$ 0
Low income housing investment partnerships basis adjustments, provision income tax expense		$ 2,000