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Represents the adjustment to impaired loans

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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The fair value, as of the date of each statement of financial position presented, of real estate which is owned but transferred to serve as collateral for the payment of the related debt obligation, and that is reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge it.

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Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

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Discount rate used to estimate the fair value of servicing assets and servicing liabilities.

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Estimated rate of prepayments of principal on servicing assets and servicing liabilities.

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Disclosures About Fair Value of Financial Instruments - Nonrecurring Basis (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Assets Measured on a Nonrecurring Basis:
Impaired loans	$ 70,256		$ 93,324
Other real estate owned	921		5,220
Level 3
Assets Measured on a Nonrecurring Basis:
Other real estate owned	921		$ 5,220
Level 3 \| Loans held for investment
Fair value disclosure
Loans held for investment	3,165,244
Level 3 \| Real estate acquired by foreclosure
Fair value disclosure
Real estate acquired by foreclosure	$ 921
Level 3 \| Minimum \| Loans held for investment
Fair value disclosure
Prepayment speed	0.00%
Discount rate	0.00%
Level 3 \| Minimum \| Real estate acquired by foreclosure
Fair value disclosure
Discount rate	9.93%
Level 3 \| Maximum \| Loans held for investment
Fair value disclosure
Prepayment speed	100.00%
Discount rate	13.16%
Level 3 \| Weighted Average \| Loans held for investment
Fair value disclosure
Discount rate	3.76%
Nonrecurring
Assets Measured on a Nonrecurring Basis:
Impaired loans	$ 26,265	$ 54,123
Impaired loans, adjustment	7,152	14,999
Nonrecurring \| Level 3
Assets Measured on a Nonrecurring Basis:
Impaired loans	$ 26,265	$ 54,123