The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Basis of Presentation - Intangible Assets – Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Finite-lived Intangible Assets [Roll Forward]
Amortization Expense	$ (1,897)	$ 0	$ (4,429)	$ 0
5 Arches, LLC
Finite-lived Intangible Assets [Roll Forward]
Carrying Value at December 31, 2018			0
Additions			24,800
Amortization Expense			(4,426)
Carrying Value at September 30, 2019	20,374		$ 20,374
Weighted Average Amortization Period (in years)			4 years
5 Arches, LLC \| Broker network
Finite-lived Intangible Assets [Roll Forward]
Carrying Value at December 31, 2018			$ 0
Additions			18,100
Amortization Expense			(2,112)
Carrying Value at September 30, 2019	15,988		$ 15,988
Weighted Average Amortization Period (in years)			5 years
5 Arches, LLC \| Non-compete agreements
Finite-lived Intangible Assets [Roll Forward]
Carrying Value at December 31, 2018			$ 0
Additions			2,900
Amortization Expense			(564)
Carrying Value at September 30, 2019	2,336		$ 2,336
Weighted Average Amortization Period (in years)			3 years
5 Arches, LLC \| Loan administration fees on existing loan assets
Finite-lived Intangible Assets [Roll Forward]
Carrying Value at December 31, 2018			$ 0
Additions			2,600
Amortization Expense			(1,517)
Carrying Value at September 30, 2019	1,083		$ 1,083
Weighted Average Amortization Period (in years)			1 year
5 Arches, LLC \| Tradename
Finite-lived Intangible Assets [Roll Forward]
Carrying Value at December 31, 2018			$ 0
Additions			1,200
Amortization Expense			(233)
Carrying Value at September 30, 2019	$ 967		$ 967
Weighted Average Amortization Period (in years)			3 years