Commitments and Contingencies - Schedule of Direct Exposure to Puerto Rico Government by Maturity (Details) - PR Government direct exposure - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	$ 326,987	$ 349,000
Total concentration of risk	374,176	367,000
Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	24,702	30,000
Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	302,285	$ 319,000
From PR Central Government
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	42
Total concentration of risk	42
From PR Central Government | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	42
From PR Central Government | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	0
From PR Central Government | After 1 to 5 years
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	12
Total concentration of risk	12
From PR Central Government | After 1 to 5 years | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	12
From PR Central Government | After 1 to 5 years | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	0
From PR Central Government | After 5 to 10 years
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	1
Total concentration of risk	1
From PR Central Government | After 5 to 10 years | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	1
From PR Central Government | After 5 to 10 years | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	0
From PR Central Government | After 10 years
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	29
Total concentration of risk	29
From PR Central Government | After 10 years | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	29
From PR Central Government | After 10 years | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	0
From Municipalities
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	326,945
Total concentration of risk	374,134
From Municipalities | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	24,660
From Municipalities | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	302,285
From Municipalities | Within 1 year
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	24,773
Total concentration of risk	42,962
From Municipalities | Within 1 year | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	4,530
From Municipalities | Within 1 year | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	20,243
From Municipalities | After 1 to 5 years
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	120,114
Total concentration of risk	149,114
From Municipalities | After 1 to 5 years | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	19,105
From Municipalities | After 1 to 5 years | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	101,009
From Municipalities | After 5 to 10 years
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	132,227
Total concentration of risk	132,227
From Municipalities | After 5 to 10 years | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	1,025
From Municipalities | After 5 to 10 years | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	131,202
From Municipalities | After 10 years
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	49,831
Total concentration of risk	49,831
From Municipalities | After 10 years | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	0
From Municipalities | After 10 years | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	$ 49,831