Commitments and Contingencies - Schedule of Direct Exposure to Puerto Rico Government by Maturity (Details) - PR Government direct exposure - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	$ 351,483	$ 327,000
Total concentration of risk	380,483	374,000
Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	26,078	25,000
Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	325,405	$ 302,000
From PR Central Government
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	41
Total concentration of risk	41
From PR Central Government | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	41
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	10
Total concentration of risk	10
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	10
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	30
Total concentration of risk	30
From PR Central Government | After 10 years | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	30
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	351,442
Total concentration of risk	380,442
From Municipalities | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	26,037
From Municipalities | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	325,405
From Municipalities | Within 1 year
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	17,819
Total concentration of risk	42,819
From Municipalities | Within 1 year | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	4,730
From Municipalities | Within 1 year | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	13,089
From Municipalities | After 1 to 5 years
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	136,086
Total concentration of risk	140,086
From Municipalities | After 1 to 5 years | Investment Portfolio
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	20,282
From Municipalities | After 1 to 5 years | Loans
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	115,804
From Municipalities | After 5 to 10 years
Direct Exposure To The Puerto Rico Government By Maturity [Line Items]
Outstanding concentration of risk	147,706
Total concentration of risk	147,706
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	146,681
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