Fair Value Measurements - Quantitative Information About Unobservable Inputs Used in Recurring and Nonrecurring Level 3 Fair Value Measurements (Details) - Collateral-dependent impaired loans - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 2,489	$ 71
Valuation Technique	Market comparable properties	Market comparable properties
Unobservable inputs	Comparability adjustments	Comparability adjustments
Maximum | Market comparable properties [Member] | Selling costs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range	10.00%	10.00%
Minimum | Market comparable properties [Member] | Selling costs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range	5.00%	5.00%