Mortgage Servicing Rights (MSRs) (Tables)

12 Months Ended

Dec. 31, 2019

Disclosures Pertaining to Servicing Assets and Servicing Liabilities [Abstract]

Schedule of Servicing Assets at Fair Value

Following is a summary of the changes in the carrying value of MSRs, accounted for at fair value, for the years ended December 31, 2019, 2018 and 2017:

	December 31,			December 31,			December 31,
(Dollars in thousands)	2019			2018			2017
Balance at beginning of year	$	75,183		$	33,676		$	19,103
Additions from loans sold with servicing retained	44,943			33,071			18,341
Additions from acquisitions	408			13,806			—
Estimate of changes in fair value due to:
Payoffs and paydowns	(20,118		)	(5,039		)	(2,595		)
Changes in valuation inputs or assumptions	(14,778		)	(331		)	(1,173		)
Fair value at end of year	$	85,638		$	75,183		$	33,676
Unpaid principal balance of mortgage loans serviced for others	$	8,243,251		$	6,545,870		$	2,929,133