Fair Value Measurements - Fair Value Methods Used for Measuring Fair Values of Financial Instruments on Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Interest rate lock commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, Net	$ 5,118	$ (1,678)
Forward sales of mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, Net	(5,388)	(5,269)
Mandatory delivery forward loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, Net	(816)	791
Best-effort delivery forward loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, Net	(4)	1,976
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities (available-for-sale)	78,250	561,100
Fair Value, Inputs, Level 2 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held-for-sale, net	258,212	229,513
Fair Value, Inputs, Level 2 | Fair Value, Recurring | Interest rate lock commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, Net	5,118	(1,678)
Fair Value, Inputs, Level 2 | Fair Value, Recurring | Forward sales of mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, Net	(5,388)	(5,269)
Fair Value, Inputs, Level 2 | Fair Value, Recurring | Mandatory delivery forward loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, Net	(816)	791
Fair Value, Inputs, Level 2 | Fair Value, Recurring | Best-effort delivery forward loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, Net	$ (4)	$ 1,976