Fair Value Measurements - Quantitative Information about Level 3 Non-Recurring Assets (Details) - Significant unobservable inputs (Level 3) - Fair Value, Measurements, Nonrecurring $ in Thousands	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)
Substandard
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value	$ 5,205	$ 97
Discount for costs to sell | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value, non-recurring basis, weighted average unobservable input	0.05	0.10
Discount for costs to sell | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value, non-recurring basis, weighted average unobservable input	0.10	0.10
Discount for costs to sell | Weighted Average of Inputs Utilized
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value, non-recurring basis, weighted average unobservable input	0.05	0.10
Appraisal adjustments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value, non-recurring basis, weighted average unobservable input	0	0
Appraisal adjustments | Weighted Average of Inputs Utilized
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value, non-recurring basis, weighted average unobservable input	0	0