Fair Value of Financial Instruments - Summary of Fair Value Carrying Amount and Unpaid Principal Outstanding of Loans Under Fair Value Option (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Fair Value Option Quantitative Disclosures [Line Items]
Total Loans, Fair Value Carrying amount	$ 625,627	$ 670,511
Total Loans, Unpaid Principal Balance	646,868	692,897
Total Loans, Difference	(21,241)	(22,386)
Nonaccruals, Fair Value Carrying amount	35,301	38,262
Nonaccruals, Unpaid Principal Balance	40,012	42,841
Nonaccruals, Difference	(4,711)	(4,579)
90 Days or More Past Due, Fair Value Carrying Amount	17,411	24,057
90 Days or More Past Due, Unpaid Principal Balance	20,845	25,633
90 Days or More Past Due, Difference	(3,434)	(1,576)
Loans held for sale
Fair Value Option Quantitative Disclosures [Line Items]
Total Loans, Fair Value Carrying amount	25,056	25,310
Total Loans, Unpaid Principal Balance	26,747	26,831
Total Loans, Difference	(1,691)	(1,521)
Loans held for investment
Fair Value Option Quantitative Disclosures [Line Items]
Total Loans, Fair Value Carrying amount	600,571	645,201
Total Loans, Unpaid Principal Balance	620,121	666,066
Total Loans, Difference	(19,550)	(20,865)
Nonaccruals, Fair Value Carrying amount	35,301	38,262
Nonaccruals, Unpaid Principal Balance	40,012	42,841
Nonaccruals, Difference	(4,711)	(4,579)
90 Days or More Past Due, Fair Value Carrying Amount	17,411	24,057
90 Days or More Past Due, Unpaid Principal Balance	20,845	25,633
90 Days or More Past Due, Difference	$ (3,434)	$ (1,576)