Investment Securities - Summary of Gains from Sale of Investment Securities (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020
Investments Debt And Equity Securities [Abstract]
Amortized cost of securities sold	$ 10,752	$ 10,752
Gross gains realized on securities sold	69	69
Net proceeds from securities sold	$ 10,821	$ 10,821

The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

No definition available.

Name:	us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration