Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands		Jun. 30, 2019	Jan. 01, 2019		Jan. 01, 2018	[3]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, right-of-use asset		$ 139,900	$ 143,600
Lease liability	[1]	$ 160,019
Adjustments to apply recent accounting pronouncements			47,257	[2]	$ 0
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustments to apply recent accounting pronouncements			$ 47,257	[2]	$ 6,689

[1] Included in accrued interest payable and other liabilities in the Consolidated Statements of Financial Condition.

[2] As a result of accounting guidance adopted in the first quarter of 2019, the remaining deferred gain on a sale-leaseback transaction was recognized as a cumulative-effect adjustment to retained earnings as of January 1, 2019. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

[3] As a result of accounting guidance adopted in the first quarter of 2018, certain reclassifications were made from accumulated other comprehensive loss to retained earnings as of January 1, 2018.