Financial Services - Summary of Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Subsidiary or Equity Method Investee [Line Items]
Goodwill	$ 123,695	$ 123,695
Other assets	35,136	36,971
Financial Services Assets	168,093	0
Total liabilities	1,986,641	1,915,447
ClosingMark Financial Group, LLC
Subsidiary or Equity Method Investee [Line Items]
Cash	19,047
Derivative portfolio	1,123	0
Mortgages held for sale	138,121	0
Goodwill	6,875
Other assets	2,927
Financial Services Assets	168,093
AP and accrued liabilities	23,010
Notes payable, fair value	123,826	$ 0
Total liabilities	$ 146,836