Acquired Loans - Schedule of Acquired Loans (Details) - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
Acquired loans
Acquired Loans (Details) - Acquired Loans [Line Items]
Non-PCD	[1]	$ 1,706,402	$ 1,216,133
Total	[1]	1,981,574	1,383,316
Receivables acquired with deteriorated credit quality
Acquired Loans (Details) - Acquired Loans [Line Items]
PCD		275,172	167,183
Receivables acquired with deteriorated credit quality | Acquired loans
Acquired Loans (Details) - Acquired Loans [Line Items]
PCD	[1]	$ 275,172	$ 167,183

[1] Included in loans in the Consolidated Statements of Financial Condition.⁽²⁾Prior to the adoption of CECL on January 1, 2020, loans that had evidence of credit deterioration since origination and for which it was probable at acquisition that the Company would not collect all contractually required principal and interest payments were classified as PCI.