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FANNIE MAE COMMITMENTS AND PLEDGED SECURITIES - Pledged Securities at Fair Value (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pledged securities
Pledged securities	$ 224,954	$ 206,904
Pledged Securities - Fannie Mae DUS Program
Pledged securities
Fair value of pledged securities in a continuous unrealized loss position for more than 12 months	94,800
Amortized cost of pledged securities in a continuous unrealized loss position for more than 12 months	95,800
Net unrealized loss of pledged securities in a continuous unrealized loss position for more than 12 months	1,000
Total pledged cash and cash equivalents
Pledged securities
Pledged securities	22,288	23,472	$ 41,283	$ 14,658
Restricted Cash - Pledged
Pledged securities
Pledged securities	17,419	3,015	2,727	5,788
Money Market Funds
Pledged securities
Pledged securities	4,869	20,457	38,556	8,870
Agency MBS
Pledged securities
Pledged securities	202,666	183,432	142,798	142,624
Asset Pledged as Collateral with Right \| Pledged Securities - Fannie Mae DUS Program
Pledged securities
Pledged securities	$ 224,954	$ 206,904	$ 184,081	$ 157,282