Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Valuation of financial instruments that are marked-to-market on recurring basis

The following table summarizes the valuation of our financial instruments that are marked-to-fair value on a recurring basis.

	Fair Value Measurements on a Recurring Basis
	December 31, 2017										December 31, 2016
	Level 1		Level 2			Level 3		Total			Level 1		Level 2			Level 3		Total
Assets
Available-for-sale investments	$	—	$	244,088		$	—	$	244,088		$	—	$	208,603		$	—	$	208,603
Derivative instruments	—		812			—		812			—		7,808			—		7,808
Total	$	—	$	244,900		$	—	$	244,900		$	—	$	216,411		$	—	$	216,411
Liabilities
Derivative instruments	$	—	$	(2,584	)	$	—	$	(2,584	)	$	—	$	(25,937	)	$	—	$	(25,937	)
Total	$	—	$	(2,584	)	$	—	$	(2,584	)	$	—	$	(25,937	)	$	—	$	(25,937	)

Fair values of financial assets and liabilities, including derivative financial instruments

The following table summarizes the fair values of our financial assets and liabilities, including derivative financial instruments.

	December 31, 2017							December 31, 2016
	Fair Value		Carrying Value		Difference			Fair Value		Carrying Value		Difference
Earning assets
Loans held for investment, net	$	20,673,136	$	18,567,641	$	2,105,495		$	16,520,786	$	15,137,922	$	1,382,864
Cash and cash equivalents	1,534,339		1,534,339		—			1,918,793		1,918,793		—
Available-for-sale investments	244,088		244,088		—			208,603		208,603		—
Accrued interest receivable	967,482		967,482		—			766,106		766,106		—
Tax indemnification receivable	168,011		168,011		—			259,532		259,532		—
Derivative instruments	812		812		—			7,808		7,808		—
Total earning assets	$	23,587,868	$	21,482,373	$	2,105,495		$	19,681,628	$	18,298,764	$	1,382,864
Interest-bearing liabilities
Money-market and savings accounts	$	8,470,209	$	8,470,209	$	—		$	7,963,925	$	7,963,925	$	—
Certificates of deposit	7,044,208		7,034,121		(10,087		)	5,510,504		5,471,065		(39,439		)
Short-term borrowings	—		—		—			—		—		—
Long-term borrowings	3,299,871		3,275,270		(24,601		)	2,160,105		2,167,979		7,874
Accrued interest payable	35,363		35,363		—			21,058		21,058		—
Derivative instruments	2,584		2,584		—			25,937		25,937		—
Total interest-bearing liabilities	$	18,852,235	$	18,817,547	$	(34,688	)	$	15,681,529	$	15,649,964	$	(31,565	)
Excess of net asset fair value over carrying value					$	2,070,807						$	1,351,299