XML 103 R83.htm IDEA: XBRL DOCUMENT v3.19.2
Goodwill and Other Intangible Assets - Schedule of Intangible Assets and Goodwill (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Goodwill And Intangible Assets Disclosure [Abstract]      
Goodwill $ 210,895 $ 108,591 $ 108,591
Acquisition of Clifton Bancorp Inc. 0 102,304 0
Goodwill 210,895 210,895 108,591
Core Deposit Intangibles, Balance 6,295 292 430
Acquisition of Clifton Bancorp Inc.   6,367  
Amortization (1,135) (364) (138)
Core Deposit Intangibles, Balance $ 5,160 $ 6,295 $ 292