Fair Value of Financial Instruments - Schedule of Quantitative Information About Level 3 Fair Value Measurements (Details) $ in Thousands	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)
Minimum | Fair Value, Inputs, Level 3 | Individually evaluated loans | Collateral discounts
Level 3 fair value measurements during the period	0
Minimum | Fair Value, Inputs, Level 3 | Individually evaluated loans | Discount Spread
Level 3 fair value measurements during the period	0.02
Maximum | Fair Value, Inputs, Level 3 | Individually evaluated loans | Collateral discounts
Level 3 fair value measurements during the period	0.63
Maximum | Fair Value, Inputs, Level 3 | Individually evaluated loans | Discount Spread
Level 3 fair value measurements during the period	0.03
Weighted Average | Fair Value, Inputs, Level 3 | Individually evaluated loans | Collateral discounts and discount spread
Level 3 fair value measurements during the period	0.12
Fair Value, Measurements, Nonrecurring
Fair value		$ 9,265
Fair Value, Measurements, Nonrecurring | Individually evaluated loans
Fair value	$ 5,150	9,168
Fair Value, Measurements, Nonrecurring | REO
Fair value		97
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair value		9,265
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 | Individually evaluated loans
Fair value	$ 5,150	9,168
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 | REO
Fair value		$ 97