Fair Value of Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	$ 187,225	$ 194,250
Other investments:
Mutual fund - CRA qualified	3,500	3,500
Residential mortgage-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	42,009	43,877
Residential collateralized mortgage obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	139,468	144,459
Municipal securities - tax exempt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	5,748	5,914
Recurring
Other investments:
Mutual fund - CRA qualified	3,451	3,463
Recurring | Residential mortgage-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	42,009	43,877
Recurring | Residential collateralized mortgage obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	139,468	144,459
Recurring | Municipal securities - tax exempt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	5,748	5,914
Recurring | Quoted Prices in Active Markets (Level 1)
Other investments:
Mutual fund - CRA qualified	3,451	3,463
Recurring | Quoted Prices in Active Markets (Level 1) | Residential mortgage-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	0	0
Recurring | Quoted Prices in Active Markets (Level 1) | Residential collateralized mortgage obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	0	0
Recurring | Quoted Prices in Active Markets (Level 1) | Municipal securities - tax exempt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	0	0
Recurring | Significant Other Observable Inputs (Level 2)
Other investments:
Mutual fund - CRA qualified	0	0
Recurring | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	42,009	43,877
Recurring | Significant Other Observable Inputs (Level 2) | Residential collateralized mortgage obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	139,468	144,459
Recurring | Significant Other Observable Inputs (Level 2) | Municipal securities - tax exempt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	5,748	5,914
Recurring | Significant Unobservable Inputs (Level 3)
Other investments:
Mutual fund - CRA qualified	0	0
Recurring | Significant Unobservable Inputs (Level 3) | Residential mortgage-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	0	0
Recurring | Significant Unobservable Inputs (Level 3) | Residential collateralized mortgage obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	0	0
Recurring | Significant Unobservable Inputs (Level 3) | Municipal securities - tax exempt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale debt securities, at fair value	$ 0	$ 0