Derivative Instruments - Fair Values of Derivative Instruments on the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 22	$ 1,643
Liability Derivatives	607,992	275,679
Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	22	1,643
Other liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	607,992	275,679
Interest rate swaps \| Designated as Hedging Instrument \| Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	0	1,643
Interest rate swaps \| Designated as Hedging Instrument \| Other liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	607,985	275,679
Interest rate caps \| Not Designated as Hedging Instrument \| Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	22	0
Interest rate caps \| Not Designated as Hedging Instrument \| Other liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 7	$ 0

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

Name:	us-gaap_DerivativeFairValueOfDerivativeLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant